➔
search
✕

SWF_EXPLOIT.KE

October 09, 2012
 Analysis by: Michael Cabel
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

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

  TECHNICAL DETAILS

File Size:

3,820 bytes

File Type:

SWF

Memory Resident:

No

Initial Samples Received Date:

17 Jun 2011

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.

NOTES:
This is Trend Micro detection for specially crafted .SWF file that takes advantage of a vulnerability in certain versions of Adobe Flash Player.

The Trojan checks if the browser used is any of the following:

  • Chrome
  • Firefox
  • Internet Explorer
It also checks for the following Flash Player ActiveX Control versions:
  • 10.3.181.14
  • 10.3.181.22
  • 10.3.181.23
Once the above conditions are met, it then downloads a file from where it is hosted and saves it in the folder, %User Temp%. It then executes the downloaded file. As a result, routines of the downloaded file are then exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

8.230.04

FIRST VSAPI PATTERN DATE:

17 Jun 2011

VSAPI OPR PATTERN File:

8.231.00

VSAPI OPR PATTERN Date:

17 Jun 2011

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

Scan your computer with your Trend Micro product to delete files detected as SWF_EXPLOIT.KE. 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.

Step 3

Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.

  • http://www.adobe.com/support/security/bulletins/apsb11-18.html


Did this description help? Tell us how we did.