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W2KM_DRIDEX.DH

April 08, 2016
 Analysis by: Rhena Inocencio
 ALIASES:

Trojan:O97M/Madeba.A!det (Microsoft), W97M/Downloader!7E4EADFEFF0A (McAfee), VBA/TrojanDownloader.Agent.AWW (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 as an attachment to email messages spammed by other malware/grayware or malicious users.

  TECHNICAL DETAILS

File Size:

49,664 bytes

File Type:

RTF

Initial Samples Received Date:

06 Apr 2016

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

Installation

This Trojan drops the following files:

  • %User Temp%\bvskjhtg.VBe

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Download Routine

This Trojan saves the files it downloads using the following names:

  • %User Temp%\tfjhjdsfsd.com

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://shop.{BLOCKED}ee.biz/tablets/galaxytab3.php