BDS/Hupigon.ablm - Backdoor Server

See also

Summary

Full description

Statistics

Virus:	BDS/Hupigon.ablm
Date discovered:	11/12/2008
Type:	Backdoor Server
In the wild:	Yes
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Medium
Static file:	Yes
File size:	378.552 Bytes
MD5 checksum:	2ecbac909b205b5f0d7bd10cb3daccb9
IVDF version:	7.01.00.224 - Thu, 11 Dec 2008 19:13 (GMT+1)

General Method of propagation:
   • No own spreading routine

Aliases:
   • Kaspersky: Trojan.Win32.Pakes.mfa
   • F-Secure: Trojan.Win32.Pakes.mfa

Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Registry modification
   • Third party control

Files It copies itself to the following location:
• %WINDIR%\Norton_win32.exe

The following file is created:

– %TEMPDIR%\%random character string% Furthermore it gets executed after it was fully created. This batch file is used to delete a file.

Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SYSTEM\CurrentControlSet\Services\Norton_win32]
   • "Type"=dword:00000110
   • "Start"=dword:00000002
   • "ErrorControl"=dword:00000000
   • "ImagePath"=%WINDIR%\Norton_win32.exe
   • "DisplayName"="Norton_win32"
   • "ObjectName"="LocalSystem"
   • "Description"="%chinese text%"

Backdoor Contact server:
The following:
• 11826.**********helper.com:1588

As a result it may send information and remote control could be provided.

Injection – It injects itself into a process.

Process name:
• svchost.exe

Miscellaneous Anti debugging
It checks for running programs that contain one of the following strings:
   • \\.\SICE
   • \\.\SIWVID
   • \\.\NTICE
   • \\.\REGSYS
   • \\.\REGVXG
   • \\.\FILEVXG
   • \\.\FILEM
   • \\.\TRW
   • \\.\ICEEXT
   • OLLYDBG
   • FileMonClass

If successful, it terminates immediately.

File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

See a brief description here.

Description inserted by Thomas Wegele on Thu, 18 Dec 2008 10:56 (GMT+1)
Description updated by Thomas Wegele on Thu, 18 Dec 2008 11:15 (GMT+1)

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