Trojan.GenericKD.1844283_e780a465c5

by malwarelabrobot on September 19th, 2014 in Malware Descriptions.

Trojan.Win32.Buzus.uhpc (Kaspersky), Trojan.GenericKD.1844283 (B) (Emsisoft), Trojan.GenericKD.1844283 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)
Behaviour: Trojan-PSW, Trojan, Backdoor


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

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Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: e780a465c5f57693d44a671ebee174eb
SHA1: 81a0b1559d96607e033f1b1f357eaa9c48544255
SHA256: 70cf695e4c775f827617a7f6d07bc28130e5d659a1d6f57180bb936ac48dc6df
SSDeep: 3072:xa1lu5mD/9zIe1WClL5TI95trxK9nHpJCVNGhYH9rqhQtGbElJ930RItJRFGnq6N:8lu5mYUL5GHCbHho9rqOt6MV0it5bnq
Size: 237768 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2014-05-11 23:03:52
Analyzed on: WindowsXP SP3 32-bit


Summary:

Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

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

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)

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:

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)

ET TROJAN Possible Zbot Activity Common Download Struct
ET CURRENT_EVENTS Zbot Generic URI/Header Struct .bin
ET TROJAN Zeus Bot GET to Google checking Internet connectivity

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; charse
t=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,
4011679,4012373,4013823,4014431,4014636,4014805,4016127,4016373,401682
4,4017818,4017981,4018180,4018251,4018411,4019029,4019498,4019702,4019
798,4019800,4020025,4020029,4020148,4020226,4020379,4020381,4020383,40
20385,4020500,4020561,4020663,4020705,4020738,4020805,4020824,4020879,
4020892,4020950,4021015,4021071,4021081,4021083,4021092,4021106,402111
0,4021125,4021338,4021545,4021564,4021580,4021604,4021633,4021641,4021
660,4021664,4021675,4021763,4021765,4021886,4021909,4021959,4022087,40
22269,8300007,8300030,8300060,8300072,8300078,8500223,8500272,8500393,
8500474,8500554,8500556,8500585,8500593,8500605,10200013,10200044,1020
0083,10200297,10200347,10200389,10200442,10200491,10200585,10200597,10
200599,10200602,10200616,10200671,10200673,10200684',kCSI:{e:'17259,40
00116,4007661,4008142,4009033,4010858,4010899,4011228,4011679,4012373,
4013823,4014431,4014636,4014805,4016127,4016373,4016824,4017818,401798
1,4018180,4018251,4018411,4019029,4019498,4019702,4019798,4019800,4020
025,4020029,4020148,4020226,4020379,4020381,4020383,4020385,4020500,40
20561,4020663,4020705,4020738,4020805,4020824,4020879,4020892,4020
<<< 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="te
xt/html;charset=utf-8">.<TITLE>302 Moved</TITLE></HE
AD><BODY>.<H1>302 Moved</H1>.The document has mov
ed.<A HREF="hXXp://VVV.google.com.ua/webhp?gfe_rd=cr&ei=UPwaVOP
LF8vm9AaVp4H4Aw">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..$.......Q.VGjcc.-k....vx...X.q%........
Iu..8. .Y.. \...D....:..Q....<[email protected]..
dpI...|.>.B'r....}h.E...Z.z%...J..UC......Jg....R_........0...".. .
..Fv...>.........3.n...Y_.y....d.6.(i..e.x6......2.g]....s..4...X..
4..d..l.d*..v..t.....#i'&l....[.9..S"[email protected].{.4....E9Y...1.)..
.$..s............?..._.....{[email protected]/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;[email protected](..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 >>>

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

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 <
:>(<<44=3%
8%/<8/?)?/
%/><!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}


Remove it with Ad-Aware

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


Manual removal*

  1. Scan a system with an anti-rootkit tool.
  2. 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

  3. Delete the original Trojan file.
  4. 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)

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  6. Reboot the computer.

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

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