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TSPY_FAREIT.FSIG

January 17, 2013
 Analysis by: Rhena Inocencio
 ALIASES:

Trojan-PSW.Win32.Tepfer.elsx (Kaspersky), PWS-Zbot.gen.xd (McAfee), Win32/Kryptik.ASGX 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:
 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 executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

202,520 bytes

File Type:

EXE

Initial Samples Received Date:

17 Jan 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 as part of its installation routine:

HKEY_CURRENT_USER\Software\WinRAR
HWID = "{random GUID}"

Download Routine

This spyware accesses the following websites to download files:

  • http://{BLOCKED}eper.de/MMtQkxp.exe
  • http://www.spec02.{BLOCKED}n.co.uk/s184DrY.exe
  • http://www.{BLOCKED}esarohost.it/Q55U.exe

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

Other Details

This spyware connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}.33.207:80/ponyb/gate.php