TROJ_PIDIEF.OTT

October 08, 2012
 Analysis by: Christopher Daniel So
 PLATFORM:

Windows 2000, XP, 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 executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

6,727 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

14 Sep 2010

Download Routine

This Trojan takes advantage of the following software vulnerabilities to download possibly malicious files:

  • Adobe Reader and Acrobat 'newplayer()' JavaScript Method Remote Code Execution Vulnerability (CVE-2009-4324)
  • Adobe Reader 'util.printf()' JavaScript Function Stack Buffer Overflow Vulnerability (CVE-2008-2992)
  • Adobe Acrobat and Reader Collab 'getIcon()' JavaScript Method Remote Code Execution Vulnerability (CVE-2009-0927)

After successfully exploiting the said vulnerability, this malware connects to the following URLs to possibly download other malicious files:

  • php?site=20&name=46112444"e=eb36b0a959b6ac5cdd50b
  • http://www.{BLOCKED}govid00137.com/contacts/ab18f4327cb92ea518ee2f4b71845f3a.php?site=20&name=46112444"e=eb36b0a959b6ac5cdd50b
  • http://{BLOCKED}ticwore.com/mstsc.exe

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

8.900

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 TROJ_PIDIEF.OTT. 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 these security patches Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors. CVE-2009-4324 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4324)
CVE-2008-2992 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2992)
CVE-2009-0927 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0927)


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