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Date discovered:01/02/2008
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:15.360 Bytes
MD5 checksum:B14FE42D23412476F2F3E053CAC7399A
VDF version:
IVDF version:

 General Method of propagation:
   • No own spreading routine

   •  Kaspersky: Backdoor.Win32.IRCBot.tkq
   •  TrendMicro: BKDR_IRCBOT.VI
   •  Microsoft: Trojan:Win32/Ircbrute

Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows 7

Side effects:
   • Third party control
   • Drops files
   • Registry modification
   • Steals information

 Files It copies itself to the following location:
   • %APPDATA%\svchost.exe

 Registry To each registry key one of the values is added in order to run the processes after reboot:

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Windowsa Firewall"="svchost.exe"
   • "Windows Defender"=-

–  [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Windowsa Firewall"="%APPDATA%\svchost.exe"

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

Server: **********
Port: 2201
Channel: #finale
Nickname: %random character string%
Password: last

– This malware has the ability to collect and send information such as:
    • Current user
    • Username
    • Information about the Windows operating system

– Furthermore it has the ability to perform actions such as:
    • connect to IRC server
    • disconnect from IRC server
    • Download file
    • Execute file
    • Join IRC channel
    • Leave IRC channel
    • Terminate process
    • Updates itself

 Miscellaneous Mutex:
It creates the following Mutex:
   • skahdkjsah

 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 the following runtime packer:
   • UPX

Description inserted by Andrei Ilie on Monday, August 22, 2011
Description updated by Andrei Ilie on Monday, August 22, 2011

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