Analysis by: Rika Joi Gregorio
ALIASES:

TrojanDownloader:Win32/Taleret.D(Microsoft), Downloader.a!c2h(McAfee), Virus.PSW.OnlineGames(Ikarus), a variant of Win32/TrojanDownloader.Taleret.A trojan(Eset)

 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:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be dropped by other malware.

  TECHNICAL DETAILS

File Size: 107,520 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 13 Nov 2012

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

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

It may be dropped by other malware.

Installation

This Trojan drops the following files:

  • %System%\rundll32.exe.xxt

(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}.202.109:443/csfwj.asp?01681262934084
  • http://{BLOCKED}.{BLOCKED}.119.226:443/uhjqm.asp?01791381718607
  • http://{BLOCKED}a.{BLOCKED}gcrab.com:443/rpykt.asp?05261456562602
  • http://{BLOCKED}a.{BLOCKED}gcrab.com/evhif.asp?04381478978898