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TROJ_EXPLOIT.WPU

May 30, 2014
 Analysis by: Jimelle Monteser
 Modified by: Mark Joseph Manahan
 ALIASES:

Win32/Exploit.CVE-2013-0074.AD trojan (NOD32), W32/CVE_2013_0074.AD!exploit (Fortinet), Exploit:CVE20130074 (Ikarus)

 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:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan executes when a user accesses certain websites where it is hosted.

It does not have any propagation routine.

It does not have any backdoor routine.

Once a malware successfully exploits the said vulnerability, it causes certain actions to be done on the system.

  TECHNICAL DETAILS

File Size:

65,536 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

13 May 2014

Arrival Details

This Trojan executes when a user accesses certain websites where it is hosted.

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Other Details

This Trojan requires the existence of the following files to properly run:

  • MainPage.xaml
  • App.xaml

Once a malware successfully exploits the said vulnerability, it causes the following actions to be done on the system:

  • Execute Arbitrary Code

It is a zero-day exploit for the following vulnerability:

NOTES:

This is a component of Angler Exploit Kit used in downloading other malware:

  • BKDR_VAWTRAK

It does not have rootkit capabilities.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.794.05

FIRST VSAPI PATTERN DATE:

14 May 2014

VSAPI OPR PATTERN File:

10.795.00

VSAPI OPR PATTERN Date:

15 May 2014

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_EXPLOIT.WPU 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 4

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.


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