Analysis by: Adrian Cofreros

ALIASES:

Win32/TrojanDownloader.Small.PSD trojan(NOD32),Troj/Agent-AIDM(SOPHOS-LITE)

 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: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan 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: 81,920 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 30 Jul 2014

Arrival Details

This Trojan 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 Trojan drops the following files:

  • %User Temp%\mss{values}.exe

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

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}.179.82/333
  • http://{BLOCKED}carli.com/333
  • http://{BLOCKED}ngarden.com/333
  • http://{BLOCKED}nsog.org/333
  • http://{BLOCKED}lus.com.sg/333
  • http://{BLOCKED}thrix.co.uk/333
  • http://{BLOCKED}tscreens.com/333
  • http://geo.{BLOCKED}m.edu.mn/333
  • http://{BLOCKED}bergsig.co.za/333
  • http://{BLOCKED}destate.co.uk/333
  • http://{BLOCKED}s.com/~anonimas/333
  • http://{BLOCKED}nt.co.uk/333
  • http://{BLOCKED}iland.com/333
  • http://{BLOCKED}e.com/333
  • http://{BLOCKED}n.com/333
  • http://{BLOCKED}bnetwork.com/333
  • http://{BLOCKED}as.com/333
  • http://w3stest.{BLOCKED}a.com/333
  • http://www.{BLOCKED}us.com.sg/333
  • http://www.{BLOCKED}paradise.com/333
  • http://www.{BLOCKED}ce.com/333