Analysis by: Michelle Morales

ALIASES:

TrojanDownloader:W97M/Drixed.B (Microsoft), W97M.Downloader (Symantec), X97M/Downloader (McAfee), Trojan-Downloader.MSWord.Agent.dq (Kaspersky), W97M/TrojanDownloader.Agent.NDC (ESET)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan 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: 38,400 bytes
File Type: DOC
Memory Resident: No
Initial Samples Received Date: 24 Dec 2014

Arrival Details

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

Download Routine

This Trojan accesses the following websites to download files:

  • http://{BLOCKED}g.hk/js/bin.exe

NOTES:
However, as of this writing the above mentioned link no longer exists. Thus, the file download is not completed.

  SOLUTION

Minimum Scan Engine: 9.700
FIRST VSAPI PATTERN FILE: 11.366.05
FIRST VSAPI PATTERN DATE: 24 Dec 2014
VSAPI OPR PATTERN File: 11.367.00
VSAPI OPR PATTERN Date: 25 Dec 2014

Scan your computer with your Trend Micro product to delete files detected as W97M_DLOADE.MFC. 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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