Analysis by: Cris Nowell Pantanilla

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan arrives as a component bundled with malware/grayware packages.

  TECHNICAL DETAILS

File Size: 11,828 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 10 Jun 2015

Arrival Details

This Trojan may arrive via network shares.

It arrives as a component bundled with malware/grayware packages.

NOTES:

This malware is a multi-component malware that is capable of loading and executing multiple payloads. Its payloads include backdoor routines and extracting information from the affected system.

This malware is known for loading payloads with the following capabilities:

  • List running processes
  • Connect remotely to active desktop and terminal sessions
  • Load and execute additional payload packages
  • Hijack antivirus processes
  • Manipulate files
  • Connect to C&C server
  • Send and receive backdoor commands
  • Gather the following information:
    • System information
    • File System information
    • Network information
    • Browser User information

However, it requires its main components in order to successfully perform its intended routines.

  SOLUTION

Minimum Scan Engine: 9.750
FIRST VSAPI PATTERN FILE: 11.722.07
FIRST VSAPI PATTERN DATE: 10 Jun 2015
VSAPI OPR PATTERN File: 11.723.00
VSAPI OPR PATTERN Date: 11 Jun 2015

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as TROJ_DUQU.SV. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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