Analysis by: Mark Joseph Manahan
ALIASES:

Trojan horse BackDoor.Generic18.RMP (Sophos) ,Backdoor.Win32.Qakbot (F-Secure) ,Backdoor:Win32/Qakbot (Kaspersky) ,Win32/Qbot.BB trojan (McAfee) ,W32.Qakbot (Eset) ,Backdoor.Win32.Qakbot (Panda)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size: 282,624 bytes
File Type: EXE
Initial Samples Received Date: 25 Feb 2014

Arrival Details

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This backdoor drops the following files:

  • %Windows%\Tasks\{random}.job

(Note: %Windows% is the Windows folder, which is usually C:\Windows.)

It drops the following copies of itself into the affected system:

  • %User Profile%\Application Data\Microsoft\{random}\{random}.exe

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

It creates the following folders:

  • %User Profile%\Application Data\Microsoft\{random}

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Other Details

This backdoor connects to the following possibly malicious URL:

  • {BLOCKED}auskmt.pw
  • {BLOCKED}theusas.org
  • {BLOCKED}cmasn.net
  • {BLOCKED}skdfasjdmtf.org
  • {BLOCKED}psgrn.com
  • {BLOCKED}tmaksjdo.net
  • {BLOCKED}aqmi.net
  • {BLOCKED}akyat.org
  • {BLOCKED}hatdfsaf.net
  • {BLOCKED}geyaihudmn.org
  • {BLOCKED}ukahdmansgip.org
  • {BLOCKED}fdnaetra.net
  • http://{BLOCKED}oasset.{BLOCKED}ite.net/Repository/CampaignCreative/Campaign_16474/INSTREAMAD/KRWT0565H_Chili_Pot_Non-New.flv
  • {BLOCKED}.{BLOCKED}.135.19:8080
  • ajax.{BLOCKED}izzade.com