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TROJ_BANLOAD.HVT

June 11, 2013
 Analysis by: Jaime Benigno Reyes
 ALIASES:

TrojanDownloader:Win32/Small.gen!AP (Microsoft), Trojan-Downloader.Win32.Agent.xzny (Kaspersky), Trojan.FakeAV (Symantec)

 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:

  • 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:

593,408 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

09 May 2013

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 connects to the following URL(s) to download its component file(s):

  • http://{BLOCKED}b.org/photos/zp-core/images/dire_expless_300.jpg

It saves the files it downloads using the following names:

  • %Application Data%\DIRE_EXPLESS_300.EXE

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}o.gl/CKGAc
  • http://4.bp.{BLOCKED}ot.com/_h9uXx-uszcE/SkC4s7jm55I/AAAAAAAAD6w/xOd7BCoVCQs/s400/3+CORREIO.jpg

NOTES:
This Trojan executes the downloaded file.