Analysis by: Mark Joseph Manahan
ALIASES:

TrojanSpy:Win32/Ursnif (Microsoft), Backdoor.Snifula.D (Symantec)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 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.

  TECHNICAL DETAILS

File Size: 92,160 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 08 Sep 2012

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 keys:

HKEY_CURRENT_USER\SOFTWARE\AppDataLow

HKEY_CURRENT_USER\SOFTWARE\AppDataLow\
{Random GUID}

Other Details

This spyware connects to the following possibly malicious URL:

  • {BLOCKED}d.com.tw
  • {BLOCKED}rd.com.tw
  • {BLOCKED}.{BLOCKED}.146.102
  • {BLOCKED}.{BLOCKED}.56.241