Trojan.GenericKD.3421202_2d830b4e02

by malwarelabrobot on August 5th, 2016 in Malware Descriptions.

Trojan.GenericKD.3421202 (BitDefender), Trojan:Win32/Dynamer!ac (Microsoft), HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Generic!BT (VIPRE), Trojan.GenericKD.3421202 (B) (Emsisoft), Artemis!2D830B4E02B6 (McAfee), Trojan.Gen (Symantec), Trojan.Inject (Ikarus), Trojan.GenericKD.3421202 (FSecure), TSPY_ZBOT.YUY (TrendMicro), Trojan.GenericKD.3421202 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, Sinowal.YR, 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: 2d830b4e02b66d14899bb1055413aebb
SHA1: 8c848444cb04519ec0f28f51d2c8e1221244538d
SHA256: 9fe0f2d33bc3141df9fe187380fc1710f1f85d947263443f6df42eb343cd1313
SSDeep: 12288:oE1LJNkKmxpbOpCvf mxnouv3rr0ZK7Vw23TgH01C6JVaGp763iHvMm3o:hNkKkpbVfTxouvbBHjDfNuMkm4
Size: 813568 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: PC Utilities Software Limited
Created at: 2016-07-20 07:15:37
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):

gemii.exe:572
gemii.exe:1640
%original file name%.exe:892
%original file name%.exe:1124

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

Explorer.EXE:880

Mutexes

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

File activity

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\tmp584c4b28.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Moryp\gemii.exe (3886 bytes)

Registry activity

The process gemii.exe:572 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "54 F5 21 24 A3 F7 62 5B 65 F9 58 F9 FB 8F 63 2D"

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

The process gemii.exe:1640 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "9B 8C 94 8F F2 4C 1E 2D 67 DE 71 6C 14 3A 98 73"

[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" = "10 A2 FC 6D 83 22 9A 4C A4 93 C7 A2 83 B4 F9 B9"

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

The process %original file name%.exe:1124 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "4F 70 7A 4D 46 08 E0 4E A0 BA 4E F7 8C 6D 63 83"

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

Dropped PE files

MD5 File path
54a9600c8d476c463c4ede29f21b59df c:\Documents and Settings\"%CurrentUserName%"\Application Data\Moryp\gemii.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

VersionInfo

Company Name: LIGHTNING UK!
Product Name: ImgBurn
Product Version: 2.5.8.0
Legal Copyright: Copyright(c) 2005 - 2013
Legal Trademarks: LIGHTNING UK!
Original Filename: ImgBurn.exe
Internal Name: ImgBurn
File Version: 2.5.8.0
File Description: ImgBurn - The Ultimate Image Burner!
Comments:
Language: Language Neutral

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 8192 810356 810496 4.88721 314a6743392f1805a6b75b493fd15d71
.rsrc 819200 896 1024 2.08342 749ee400ddcd706503c389cc5de6d0ca
.reloc 827392 12 512 0.065224 4b6d304f7be602c34eb8c0179f304448

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

No activity has been detected.

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Web Traffic was not found.

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

Explorer.EXE_880_rwx_01F10000_0003B000:

.text
`.data
.reloc
%s, u %s %u u:u:u GMT
HTTP/1.1
HTTP/1.0
hXXp://
; 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
%ds~U;MM
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
%s%s%s
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
6;:5;66"
,1;(,; = 1
<! 8< ;-;
'472%9,{
F@ICTQ}cRTWAunO}mmts}NX~csgzn~)[jzyemer\]ika
8/3.xae4LOa
6 !26!1'1!
hXXps://
HTTP/1.
facebook.com
Cookie: %s
Referer: %s
Accept: %s
Accept-Language: %s
Accept-Encoding: %s
_getFirefoxCookie
hXXp://VVV.google.com/webhp
SSShD
SSShXe
SSShye
GetProcessHeap
CreatePipe
KERNEL32.dll
MsgWaitForMultipleObjects
OpenWindowStationW
GetProcessWindowStation
CreateWindowStationW
CloseWindowStation
SetProcessWindowStation
SetKeyboardState
ExitWindowsEx
GetKeyboardState
MapVirtualKeyW
GetKeyboardLayoutList
USER32.dll
RegCreateKeyExW
RegOpenKeyExW
RegCloseKey
RegCreateKeyW
RegEnumKeyW
RegQueryInfoKeyW
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
HttpSendRequestExA
HttpQueryInfoA
HttpSendRequestExW
HttpSendRequestW
HttpOpenRequestA
HttpOpenRequestW
HttpEndRequestA
HttpSendRequestA
HttpEndRequestW
InternetCrackUrlA
HttpAddRequestHeadersW
GetUrlCacheEntryInfoW
HttpAddRequestHeadersA
WININET.dll
OLEAUT32.dll
NETAPI32.dll
VERSION.dll
WINMM.dll
PSSSSSSh
>.MW9
.rk60
3$3*30383
6|7k7u7
9 :1:::@:
42>204:4
sXXXX
nspr4.dll
chrome.dll
\StringFileInfo\xx\%s
ntdll.dll
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
SELECT * FROM %s
Company: %s
Product: %s
Version: %s
Software\Microsoft\Windows\CurrentVersion\Uninstall
%u: %s | %s | %s
Global\XXX
SysShadow
Chrome
Firefox
%Documents and Settings%\%current user%\Application Data
{3381C5C8-ECCA-C922-C1FC-A43F85681F68}
%Documents and Settings%\%current user%\Application Data\Ezzy\rydie.deu
%Documents and Settings%\%current user%\Application Data\Ezzy
rydie.deu
Global\{A5FA77ED-5EEF-5F59-C1FC-A43F85681F68}
%Documents and Settings%\%current user%\Application Data\Yhgil\ytyr.elf
%Documents and Settings%\%current user%\Application Data\Yhgil
ytyr.elf


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):

    gemii.exe:572
    gemii.exe:1640
    %original file name%.exe:892
    %original file name%.exe:1124

  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\tmp584c4b28.bat (177 bytes)
    %Documents and Settings%\%current user%\Application Data\Moryp\gemii.exe (3886 bytes)

  5. Reboot the computer.

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

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