Malware Information

Malware nameTrojan.Backdoor.McMaggot.A
TypeTrojan
Affected platformWin32
Media-Typeapplication/executable
MD5 checksumF596B22087D6404D538825413E266131
Static fileyes
Filesize157,184 Bytes
Alias names
(also known as)
SophosW32/Autorun-RI
McAfeeW32/Xirtem@MM
CA ETrustWin32/Sdbot.LN
Side effects
  • Drops a file
  • Records keystrokes
  • Registry modification
  • Steals information
  • Third party control
PropagationNo own spreading routine

Description:

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.