TSPY_FAREIT.MG

 Analysis by: Anthony Joe Melgarejo

 ALIASES:

PWS:Win32/Fareit (Microsoft), Trojan.Zbot (Symantec), Troj/Agent-AASP (Sophos), Win.Trojan.Tepfer-214 (ClamAV), W32/Tepfer.HELV!tr.pws (Fortinet), Trojan-PWS.Win32.Fareit (Ikarus)

 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:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


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

As of this writing, the said sites are inaccessible.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

135,680 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

15 Mar 2013

Arrival Details

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

Other System Modifications

This spyware adds the following registry entries:

HKEY_CURRENT_USER\Software\WinRAR
HWID = {random value}

Download Routine

This spyware connects to the following website(s) to download and execute a malicious file:

  • http://{BLOCKED}darya.com/5YqTz.exe
  • http://{BLOCKED}pts.com/c8H.exe
  • http://ftp.{BLOCKED}ovingboxes.com/Q0o.exe
  • http://{BLOCKED}imeathleticapparel.com/uxNQFm.exe
  • http://{BLOCKED}sonjr.com/9wicxN.exe

It saves the files it downloads using the following names:

  • %User Temp%\{random numbers}.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.)

As of this writing, the said sites are inaccessible.

Other Details

This spyware connects to the following possibly malicious URL:

  • http://{BLOCKED}t.net:8080/ponyb/gate.php
  • http://{BLOCKED}.{BLOCKED}.180.139:8080/ponyb/gate.php
  • http://{BLOCKED}c.fm:8080/ponyb/gate.php
  • http://{BLOCKED}pioneers.at:8080/ponyb/gate.php

It deletes itself after execution.