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JS_MORPHE.UIA

October 09, 2012
 Analysis by: Sabrina Lei Sioting
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware


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 may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size:

868 bytes

File Type:

JS

Memory Resident:

No

Initial Samples Received Date:

01 May 2012

Payload:

Downloads files

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.

It may be hosted on a website and run when a user accesses the said website.

Download Routine

This Trojan accesses the following websites to download files:

  • http://{BLOCKED}.146.149:102/m0rpheus/morpheus2010/nfiles/key.tt - saved as U:/msn/inf.tt
  • http://{BLOCKED}.146.149:102/m0rpheus/morpheus2010/nfiles/mailer.js - saved as U:/msn/mailer.tpl
  • http://{BLOCKED}.146.149:102/m0rpheus/morpheus2010/nfiles/mailpv.js - saved as U:/msn/mailpv.tt
  • http://{BLOCKED}.146.149:102/m0rpheus/morpheus2010/nfiles/key.tt - saved as U:/msn/m2011.tt
  • http://{BLOCKED}.146.149:102/m0rpheus/morpheus2010/morph.jpg - saved as U:/msn/M0rPheU$_Esta_Aqui.jpg
  • http://{BLOCKED}.146.149:102/m0rpheus/morpheus2010/nfiles/MA.tt - saved as U:/msn/Mejores Amigos.zip

It saves the files it downloads using the following names:

  • U:/msn/inf.tt - detected as WORM_VBNA.VTG
  • U:/msn/mailer.tpl - detected as HTML_MORPHE.VTG
  • U:/msn/mailpv.tt - detected as HKTL_MAILPASSVIE
  • U:/msn/m2011.tt - detected as WORM_VBNA.VTG

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.958.01

FIRST VSAPI PATTERN DATE:

01 May 2012

VSAPI OPR PATTERN File:

8.959.00

VSAPI OPR PATTERN Date:

01 May 2012

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Remove malware files dropped/downloaded by JS_MORPHE.UIA

Step 3

Search and delete these files

[ Learn More ]
There may be some component files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files and folders in the search result.
  • U:/msn/M0rPheU$_Esta_Aqui.jpg
  • U:/msn/Mejores Amigos.zip

Step 4

Scan your computer with your Trend Micro product to delete files detected as JS_MORPHE.UIA. 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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