Worm/IrcBot.39673.1 - Worm

See also

Summary

Full description

Statistics

Virus:	Worm/IrcBot.39673.1
Date discovered:	28/06/2008
Type:	Worm
Subtype:	IRCBot
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Low
Static file:
File size:	~ 40.000 Bytes
IVDF version:	7.00.05.18 - Sat, 28 Jun 2008 18:20 (GMT+1)

General Methods of propagation:
   • Messenger

Alias:
   • Kaspersky: Backdoor.Win32.IRCBot.duc
   • Eset: a variant of Win32/Injector.BB trojan

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

Right after execution the following information is displayed:

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

Registry One of the following values is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• "Windows UDP Control Services"="wksvcsc.exe"

IRC To deliver system information and to provide remote control it connects to the following IRC Server:

Server: **********.bihsecurity.com
Port: 1868
Server password: asd
Channel: #!amt!
Nickname: [00|GBR|027146]
Password: openclub

– Furthermore it has the ability to perform actions such as:
    • connect to IRC server
    • Download file
    • Edit registry
    • Join IRC channel
    • Leave IRC channel
    • Updates itself

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 Tue, 01 Jul 2008 13:07 (GMT+1)
Description updated by Alexander Neth on Tue, 01 Jul 2008 13:48 (GMT+1)

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