BDS/McMaggot.A - Backdoor Server

See also

Summary

Full description

Statistics

Virus:	BDS/McMaggot.A
Date discovered:	04/12/2008
Type:	Backdoor Server
In the wild:	Yes
Reported Infections:	Low to medium
Distribution Potential:	Low to medium
Damage Potential:	Medium
Static file:	Yes
File size:	157.184 Bytes
MD5 checksum:	f596b22087d6404d538825413e266131
IVDF version:	7.01.00.184 - Thu, 04 Dec 2008 08:57 (GMT+1)

General Method of propagation:
   • No own spreading routine

Aliases:
   • Symantec: W32.Ackantta@mm
   • Mcafee: W32/Xirtem@MM virus !!!
   • Kaspersky: Trojan.Win32.Agent.asdj
   • Grisoft: Downloader.Agent.APQJ
   • Bitdefender: Backdoor.Bot.67413

It was previously detected as:
   • TR/Dropper.Gen

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

Side effects:
   • Drops a file
   • Records keystrokes
   • Registry modification
   • Steals information
   • Third party control

Files The following file is created:

– %WINDIR%\drm.ocx

Registry – HKCU\Software\Microsoft\Windows\CurrentVersion\Run
   • QnX"="c:\%malware execution directory%\qnx.exe

– HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\
   Run
   • "QnX"="c:\%malware execution directory%\qnx.exe"

The following registry keys are added in order to load the service after reboot:

– HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\
   {77520Q86-864L-N81R-0R2W-7U2G0P22436U}
   • "StubPath"="\"c:\%malware execution directory%\qnx.exe\""

Backdoor Contact server:
The following:
   • web1.**********.org

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

Sends information about:
    • Information about running processes
    • Start keylog

Stealing It tries to steal the following information:
– Passwords typed into 'password input fields'

File details Programming language:
The malware program was written in MS Visual C++.

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 Alexander Neth on Thu, 04 Dec 2008 07:29 (GMT+1)
Description updated by Alexander Neth on Thu, 04 Dec 2008 08:27 (GMT+1)

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