arrow_back
search
close

TSPY_FAREIT.WN

October 18, 2013
 Analysis by: Jimelle Monteser
 ALIASES:

PWS:Win32/Fareit.gen!C (Microsoft), Trojan-PSW.Win32.Tepfer.lhsk (Kaspersky)

 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.

It deletes the initially executed copy of itself.

  TECHNICAL DETAILS

File Size:

158,200 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

18 Jun 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}"

HKEY_CURRENT_USER\Software\WinRAR
Client Hash = "{random value}"

HKEY_CURRENT_USER\Software\WinRAR
{random value} = "true"

Dropping Routine

This spyware drops the following files:

  • %User Temp%\{random number}.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 spyware connects to the following possibly malicious URL:

  • http://{BLOCKED}cdn.com/6.exe
  • http://{BLOCKED}cdn.com/gate.php
  • http://{BLOCKED}apis.com/gate.php
  • http://{BLOCKED}cdn.com/1.exe?c=3

It deletes the initially executed copy of itself