Analysis by: Christopher Daniel So
ALIASES:

TrojanDownloader:Win32/Dofoil.D (Microsoft), Trojan.Win32.Genome.ryrz (Kaspersky)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives as attachment to mass-mailed email messages.

As of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size: 26,112 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 15 Apr 2011
Payload: Downloads files

Arrival Details

This Trojan arrives as attachment to mass-mailed email messages.

Download Routine

This Trojan accesses the following websites to download files:

  • http://{BLOCKED}le.ru/6oEAuZmH0g/document.doc
  • http://{BLOCKED}le.ru/6oEAuZmH0g/load.php?file={random number}

As of this writing, the said sites are inaccessible.