Analysis by: Vincent Martin Hermosura

ALIASES:

Trojan-Downloader.MSWord.Agent.an (Kaspersky), TrojanDownloader:W97M/Orgen.A (Microsoft), Trojan.Gen.2 (Symmantec), [13.OLE]:W97M/Downloader.h (Mcafee), WM97/DwnLdr-LTS (Sophos), W97M/Bernie.B.25 (Antivir), W97M/Bernie.B (Authentium), W97M.Downloader.X (Bitdefender), W97M/Agent.NCI!tr (Fortinet), W97M/Bernie.B (exact) (Fprot), Trojan-Downloader.MSWord.Agent (Ikarus), W97M/TrojanDownloader.Agent.NCI trojan (Esset)

 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: 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.

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

  TECHNICAL DETAILS

File Size: 37888 bytes
File Type: DOC
Initial Samples Received Date: 12 Aug 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}ernie1996.ru/u.exe

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