Trojan.Win32.Bublik.bohq (Kaspersky), Worm.Win32.Cridex.FD, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan, Worm
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 3a3ae18e970cf1e58a7c4ca8241c5e49
SHA1: 2a7a948abb57a8436a6cf71c44ebdf8fab78b77f
SHA256: e3053f672c119aa5e19b3209ac2064766aef94f7ff8d450cc0740f775825bc9a
SSDeep: 3072:weeu4h2W5WlkhtxW7IZOblRBqvTs7StITaFyY/k:EhX0khfW7UObl7q3IS/k
Size: 160768 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: Armadillov171, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, UPolyXv05_v6
Company: LLC Pentagon
Created at: 2013-12-16 20:27:46
Analyzed on: WindowsXP SP3 32-bit
Summary: Worm. A program that is primarily replicating on networks or removable drives.
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Worm creates the following process(es):
KB01202533.exe:532
KB01202533.exe:940
%original file name%.exe:960
exp2.tmp.exe:1644
The Worm injects its code into the following process(es):No processes have been created.
File activity
The process %original file name%.exe:960 makes changes in the file system.
The Worm creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\KB01202533.exe (673 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\exp1.tmp.bat (189 bytes)
The process exp2.tmp.exe:1644 makes changes in the file system.
The Worm creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\KB01202533.exe (1281 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\exp3.tmp.bat (195 bytes)
Registry activity
The process KB01202533.exe:532 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "40 87 B1 0A 7F 53 D1 A2 3C 0F FB C0 A3 B7 02 90"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process KB01202533.exe:940 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2C 9F 94 D1 D3 40 4D E5 0E 8E 55 CD 27 FC AD F7"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process %original file name%.exe:960 makes changes in the system registry.
The Worm 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 process exp2.tmp.exe:1644 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E1 F6 A1 45 24 C3 E1 FB 0A FF 5C 83 68 F8 9E 77"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
Network activity (URLs)
| URL | IP |
|---|---|
| hxxp://83.167.37.101/lEE/eCAAA/szpmMBAA/JFfkq/ | |
| hxxp://88.191.146.91/lEE/eCAAA/szpmMBAA/JFfkq/ |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Worm installs the following user-mode hooks in Secur32.dll:
InitializeSecurityContextA
DecryptMessage
SealMessage
InitializeSecurityContextW
DeleteSecurityContext
The Worm installs the following user-mode hooks in WS2_32.dll:
WSASend
recv
WSARecv
send
connect
closesocket
The Worm installs the following user-mode hooks in ntdll.dll:
LdrLoadDll
NtResumeThread
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):
KB01202533.exe:532
KB01202533.exe:940
%original file name%.exe:960
exp2.tmp.exe:1644 - Delete the original Worm file.
- Delete or disinfect the following files created/modified by the Worm:
%Documents and Settings%\%current user%\Application Data\KB01202533.exe (673 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\exp1.tmp.bat (189 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\exp3.tmp.bat (195 bytes) - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.