Shiz_43c51fad34

by malwarelabrobot on August 27th, 2013 in Malware Descriptions.

HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Generic!BT (VIPRE), Win32.MalOb!IK (Emsisoft), Backdoor.Win32.Shiz.FD, Shiz.YR, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR (Lavasoft MAS)
Behaviour: Trojan, Backdoor


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

Summary
Technical Details
Removal Recommendations

MD5: 43c51fad34c5ec3fd81aa166ffbc8d22
SHA1: 2a864dfa3049e2ef29ecb7c8d534b5f140ab25a4
SHA256: 3fc61f462ebad260718846dead3b1c9e957f92a027a052ebe74dc6e4a281a4cb
SSDeep: 6144:2yyB5hPIYXXVKh8nZsZJCCbmRAWeUxHvp/wNcpF1S7TK8VVIMCLWCBkUWaqsU7:29GQtnBCAAWnlBvojQiaqN
Size: 276992 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: BorlandDelphi30, UPolyXv05_v6
Company: no certificate found
Created at: 1992-09-12 16:58:35


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):

43c51fad34c5ec3fd81aa166ffbc8d22.exe:2576

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

ctfmon.exe:252

File activity

The process 43c51fad34c5ec3fd81aa166ffbc8d22.exe:2576 makes changes in a file system.
The Trojan creates and/or writes to the following file(s):

%System%\config\software (4870 bytes)
%System%\config\software.LOG (8516 bytes)
%WinDir%\AppPatch\oqwflb.exe (1977 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\1.tmp (0 bytes)

Registry activity

The process 43c51fad34c5ec3fd81aa166ffbc8d22.exe:2576 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "65 CD F9 48 23 6F B7 77 D0 A7 05 F4 C0 07 12 10"

[HKLM\System\CurrentControlSet\Control\Session Manager]
"PendingFileRenameOperations" = "\??\%WinDir%\apppatch\oqwflb.exe_, \??\%WinDir%\apppatch\oqwflb.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"d8cc41db" = "CêkæÚ`Ã¥D 5õÔPãXN¢e&e4¹à”¸a4d‚\yìqA}(Äé¼ü4|Âá@”°™,¡¤üHrѼ©€©”´D0}éiXª¸|Èy4¡RYÑúièmÑ©È„IáØð ±¼(¤ ádIÚبìdËœ XYâÀeÅ“iü¥AÅ¡Ii¸rÂ¥(¡A\y 9€éñ$ZÔa xÙ9

The process ctfmon.exe:252 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:

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

The Trojan deletes the following value(s) in system registry:
The Trojan disables automatic startup of the application by deleting the following autorun value:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"internat.exe"

Network activity (URLs)

URL IP
hxxp://50.116.56.144/login.php
hxxp://96.43.141.186/login.php
hxxp://173.230.133.99/login.php (ET CNC Zeus/Spyeye/Palevo Tracker Reported CnC Server (group 3) , Malicious)


Rootkit activity

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

CertVerifyCertificateChainPolicy

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

HttpSendRequestExW
HttpSendRequestExA
InternetReadFileExA
InternetReadFileExW
HttpSendRequestA
HttpSendRequestW
InternetQueryDataAvailable
InternetCloseHandle
InternetReadFile

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

GetWindowTextA
GetClipboardData
SendInput
GetMessageA
GetMessageW
TranslateMessage

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

CryptEncrypt

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

WSASend
recv
gethostbyname
WSARecv
send

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

CreateFileW

Propagation


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):

    43c51fad34c5ec3fd81aa166ffbc8d22.exe:2576

  3. Delete the original Trojan file.
  4. Delete or disinfect the following files created/modified by the Trojan:

    %System%\config\software (4870 bytes)
    %System%\config\software.LOG (8516 bytes)
    %WinDir%\AppPatch\oqwflb.exe (1977 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.