Gen.Variant.Zusy.30223_685f0604f1 – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:1516
ubwi.exe:256

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

Explorer.EXE:932

Mutexes

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

File activity

The process %original file name%.exe:1516 makes changes in the file system.

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

%Documents and Settings%\%current user%\Local Settings\Temp\tmp9715cf36.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Ifusob\ubwi.exe (241 bytes)

Registry activity

The process %original file name%.exe:1516 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "04 F6 89 A7 9A F3 FB 85 AB 65 E3 A7 08 25 01 24"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Nied]
"Ciyryrta" = "68 A9 EE 48 C5 3F 8D 7D 4D AD 4F 87 B8 8B D7 E9"

The process ubwi.exe:256 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E5 10 CD 08 37 71 1C FD C8 DC 08 99 84 95 E6 D9"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

Dropped PE files

MD5	File path
cef9f51218e01e19ce0464611198cfee	c:\Documents and Settings\"%CurrentUserName%"\Application Data\Ifusob\ubwi.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

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

PlaySoundW

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

HttpEndRequestW
HttpEndRequestA
HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetSetFilePointer
InternetQueryDataAvailable
HttpOpenRequestW
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle
HttpOpenRequestA

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

PFXImportCertStore

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

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

The Trojan installs the following user-mode hooks in ADVAPI32.dll:

CreateProcessAsUserA
CreateProcessAsUserW

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

WSASend
gethostbyname
send
closesocket
getaddrinfo

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

ExitProcess
GetFileAttributesExW

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

NtCreateThread

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):
%original file name%.exe:1516
ubwi.exe:256
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\tmp9715cf36.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Ifusob\ubwi.exe (241 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

Company Name: GSpot Appliance Corp
Product Name: GSpot deployment tool
Product Version: 2, 8, 3, 4
Legal Copyright: Copyright (C) 2007 - 2011, Steve Greenberg
Legal Trademarks: GSpot (tm)
Original Filename: GSpot
Internal Name: GSpot
File Version: 2, 7, 0, 1
File Description: GSpot deployment tool for Microsoft WCF Data Services
Comments: gspot
Language: Language Neutral

Company Name: GSpot Appliance CorpProduct Name: GSpot deployment toolProduct Version: 2, 8, 3, 4Legal Copyright: Copyright (C) 2007 - 2011, Steve GreenbergLegal Trademarks: GSpot (tm)Original Filename: GSpotInternal Name: GSpotFile Version: 2, 7, 0, 1File Description: GSpot deployment tool for Microsoft WCF Data ServicesComments: gspotLanguage: Language Neutral

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	74016	74240	4.58397	3fdfa24e907fde3ae6e844375fc8158f
.rdata	81920	15900	16384	3.47973	48246688436c2d2727a5bda13d8dfc49
.data	98304	156608	148480	5.48256	db1df2acb8d16dcdfb83d6c247371c83
.rsrc	258048	1516	1536	2.8709	746dfaae0090d9e74c6484d503218285

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

URL	IP
hxxp://199.2.137.202/file-58d1db.php
hxxp://dcu-a-202.microsoftinternetsafety.net/file-58d1db.php

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

POST /file-58d1db.php HTTP/1.1

Accept: */*

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)

Host: dcu-a-202.microsoftinternetsafety.net

Content-Length: 131

Connection: Keep-Alive

Cache-Control: no-cache

{....W.. ..609...].U..Ha`.........=..`.{..i,...B...NO..X.,.s...TXMM..? &.P.1.i.;.M.B.$.G..@.r...,...p...1......!.$..*W.*[;4<;J..

HTTP/1.1 200 OK

Content-Type: text/html

Server: Microsoft-IIS/8.0

X-Powered-By: PHP/5.3.24

Date: Thu, 05 Mar 2015 23:19:00 GMT

Content-Length: 2080

.Zw.U..........3X.;...H.r1..W......Y..3w.*......g.l..o.rX...5.O.R.../.....zvSZ.V..0e.[.....E...k....w4LM.D'......E......iv.[]....l....9.)..!.S..-..|.@.....L...z...Cq..f,{..r..Q.....%.7T........%.....6.V...W.....%...ZC..g...;.H.G^.. .!.KB...~8.2...A.,...../.......<.L.....v^..rd.....pJ.J.2D..P....kA......./.......,aPY^...*n...z;..7.$.J.....U.....W....i....z........3f...[....]...!s.R.bv... `-....r.....@....xX...0~..m..Z..{..w).f..j;.}........C.......&/....2X....F...G.|D..CJ..CH.Q..D.&pPx..^(.cv>Z...0.?....<5....P.p.Zj.?..bIa;.-.)...b..X.?...{.....{;Y.-3.Z......o.@.,..>z.S..........>...../3..hn....w8i..-..... ."....c..Q....U....r....\J.._.......W..w"BO..y<.-PF..O.`/....J......x.Td..lU....k..ng..[.@V.,:(.gp.,.Q ^.OT*..Y.p..,._e....i.....7..L..eu..\.....zH.2.:........@..~zph.b..b...=.....$..(.g...1#..[a..^3r..K7.|D{;~.G..^.).......2&....4B..`.Xs.@.........P.!.....}Trz.e....r"&.. ..i5.A._.../.2s...Q..g.....l.....,Gy-.g.:...>.#........sC.z.....9...@....n..(....rPH.[F7.....p.9`/.s........=k..~U..t.Q.......x^u.a.....E2.&b.4.9.h.Mk!.`....h..B>O...........{@......qu..b...H1.03.....h.mVJ....76.n.........o.....o........].*.........&....G|.w#Y.....<....7dh]...... .'V...K1&_3...i......12..-.h?n8..&.2.r.d............."Q.wZ(I..T..T0D.h.;o..|-"U..7.m...S.c...pN.m...e.-......6C."..E4z8........'t@.sH.|.$.T....F....W...M*X.....J.1..V.J..P/I..t........_3]_.I..E.:u.........V?2.W.-M..!..C,...... P..Dxe.&bM....w..@[..L....o.....F.15..U.Y.mM. .\y.6.?.....abe..,J..4,...M.{.OZ.CP...d............'.... O...0F7"Z.Z.

<<< skipped >>>

POST /file-58d1db.php HTTP/1.1

Accept: */*

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)

Host: dcu-a-202.microsoftinternetsafety.net

Content-Length: 131

Connection: Keep-Alive

Cache-Control: no-cache

.D..@....!.Dl...9..?.."

.....|x..Wg.

.....Fzsa(z.g.$%..2.F..f..~>2''}.UALb:.[...Q.'.(.N.-..*.....Fhi.....[.x.a..K.N..@=.@1Q^VQ ..

HTTP/1.1 200 OK

Content-Type: text/html

Server: Microsoft-IIS/8.0

X-Powered-By: PHP/5.3.24

Date: Thu, 05 Mar 2015 23:19:11 GMT

Content-Length: 2080

.Zw.U..........3X.;...H.r1..W......Y..3w.*......g.l..o.rX...5.O.R.../.....zvSZ.V..0e.[.....E...k....w4LM.D'......E......iv.[]....l....9.)..!.S..-..|.@.....L...z...Cq..f,{..r..Q.....%.7T........%.....6.V...W.....%...ZC..g...;.H.G^.. .!.K..

Map

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

Strings from Dumps

Explorer.EXE_932_rwx_01FF0000_0003B000:

.text

`.data

.reloc

%s%s%s

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

_getFirefoxCookie

HTTP/1.1

HTTP/1.0

hXXp://

hXXps://

HTTP/1.

facebook.com

Cookie: %s

Referer: %s

Accept: %s

Accept-Language: %s

Accept-Encoding: %s

%s, u %s %u u:u:u GMT

; charset=%s

HTTP/1.1 %u %s

Date: %s

Content-Length: %u

Expires: %s

Content-Type: %s%s

ID: %s

value_%s

value_%s_%s

%s = "%s";

update.exe

config.bin

PR_OpenTCPSocket

cit_ffcookie.module

cit_video.module

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

hXXp://xxxxxxxx.com/xxxx/xxxx.php

4)#04#3%3#

$.5-(*'#

&"!&2 '"

,1-6

1,&51&6 6

*,$

7'674-3$

/)60-#,%

854;588,

.-.# "4

!,./#$0,%%;

)"4(7*

1:,0/2$7

%S$ PBA

(8&.ric2IO

hXXp://VVV.google.com/webhp

SSSh0

SSSh"`

CreatePipe

GetProcessHeap

KERNEL32.dll

GetKeyboardLayoutList

ExitWindowsEx

MsgWaitForMultipleObjects

MapVirtualKeyW

GetKeyboardState

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

SetKeyboardState

USER32.dll

RegCreateKeyW

RegEnumKeyW

RegQueryInfoKeyW

RegCloseKey

RegCreateKeyExW

RegOpenKeyExW

RegEnumKeyExW

ADVAPI32.dll

UrlUnescapeA

SHDeleteKeyW

PathIsURLW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpQueryInfoA

InternetCrackUrlA

HttpAddRequestHeadersW

HttpOpenRequestA

HttpAddRequestHeadersA

HttpSendRequestExA

HttpSendRequestExW

HttpSendRequestW

HttpOpenRequestW

HttpEndRequestA

HttpSendRequestA

HttpEndRequestW

GetUrlCacheEntryInfoW

WININET.dll

OLEAUT32.dll

NETAPI32.dll

VERSION.dll

WINMM.dll

PSSSSSSh

SSShd

8 8$8(8,80848

55x5

;>

42>204:4

Global\XXX

nspr4.dll

sXXXX

Company: %s

Product: %s

Version: %s

Software\Microsoft\Windows\CurrentVersion\Uninstall

%u: %s | %s | %s

chrome.dll

\StringFileInfo\xx\%s

ntdll.dll

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

SELECT * FROM %s

SysShadow

Chrome

Firefox

%Documents and Settings%\%current user%\Application Data

{CE383DB2-2518-98AC-CB13-EAFA9FB7B276}

%Documents and Settings%\%current user%\Application Data\Ubpoet\piot.huf

%Documents and Settings%\%current user%\Application Data\Ubpoet

piot.huf

Global\{58438F97-973D-0ED7-CB13-EAFA9FB7B276}

%Documents and Settings%\%current user%\Application Data\Dyerno\dyxi.doq

%Documents and Settings%\%current user%\Application Data\Dyerno

dyxi.doq

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps