Analysis by: RonJay Kristoffer Caragay
ALIASES:

Backdoor:Win32/Farfli.BG(Microsoft), Trojan.Win32.Jorik.Zegost.hrc(Kaspersky), TR/Barys.1594(AntiVir)

 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: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This backdoor 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: 155,648 bytes
File Type: EXE
Initial Samples Received Date: 28 Apr 2014

Arrival Details

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

Autostart Technique

This backdoor adds the following registry entries to enable its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
SVCSHOST = "{Malware Path and File name}.exe"

Other Details

This backdoor connects to the following possibly malicious URL:

  • liuyutong.{BLOCKED}2.org