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Shiz_c520cf3e62


Gen:Variant.Kazy.107580 (BitDefender), PWS:Win32/Simda (Microsoft), HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Generic!BT (VIPRE), Trojan.PWS.Ibank.456 (DrWeb), Gen:Variant.Kazy.107580 (B) (Emsisoft), Artemis!C520CF3E62A7 (McAfee), Infostealer.Shiz!gen2 (Symantec), Trojan-PWS.Win32.Simda (Ikarus), BackDoor.Generic16.NTP (AVG), Win32:Shiz-ZA [Trj] (Avast), TROJ_GEN.R0CBC0DJV13 (TrendMicro), 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

MD5: c520cf3e62a77dc98773babfd4ad3ec5

SHA1: 8f21d286a43246c2fdc9852cb6a671e56d87978a

SHA256: 13cbd83cb33c2fa4304adf2c6266cb67218040d80d2ca69f47979894c3d3c2f4

SSDeep: 6144:khE8i3lBczfqe13X0GR0NULNTvoV65oOh6Nq3TT/:v/DWzV59/

Size: 310272 bytes

File type: EXE

Platform: WIN32

Entropy: Packed

PEID: UPolyXv05_v6

Company: WinterSoft

Created at: 1999-12-03 03:20:17

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

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:1420

File activity

The process %original file name%.exe:1420 makes changes in the file system.


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

%System%\config\software (3093 bytes)
%System%\config\SOFTWARE.LOG (5347 bytes)
%WinDir%\AppPatch\ogionkr.exe (2045 bytes)

The Trojan deletes the following file(s):

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

Registry activity

The process %original file name%.exe:1420 makes changes in the system registry.


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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "81 44 75 7E 9F 5B 3D 74 C9 D9 45 DC DD 72 25 E4"

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

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"a8a67a25" = "pEìX£bÀ¸¬qÄHF‡KöMþzYÉòd¼Œ¤Kô1,Š$ë›ÛÌ«”¹l}Ë {œzŒôC%é[qñl4ì;û´[Ò#»Û:ÑU„„ԝ\±ª²Dƒuœ¡Ü¼);¼\ƒtµ2”kDù”a”*›cü$}Sô|ë$¤ô{¬q³#sÅå\yuJÛËu©|ù¢rKã!$’‹‹b±ÃÄ£ãÍ‚“ÉUcdÁÄZ¡r»ô”)Û©Š]“QlYÛl]$$D´ƒÌ£Q$aŒ‚*™ü›ÙóÍÁ=éÔÑщ¬q9|áíù’‘íÁ©šÄR"

Network activity (URLs)

No activity has been detected.

HOSTS file anomalies

No changes have been detected.

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:

HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetWriteFileExA
InternetQueryDataAvailable
HttpSendRequestExW
InternetReadFile
HttpSendRequestA
InternetCloseHandle

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

Removals

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):

    %original file name%.exe:1420

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

    %System%\config\software (3093 bytes)
    %System%\config\SOFTWARE.LOG (5347 bytes)
    %WinDir%\AppPatch\ogionkr.exe (2045 bytes)

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

Static Analysis

Network Activity

Map

Strings from Dumps