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TROJ_EXPLOYT.APS

February 16, 2015
 Analysis by: Jaime Benigno Reyes
 ALIASES:

Exploit:MSIL/CVE-2013-0074 (Microsoft); a variant of Win32/Exploit.CVE-2013-0074.EP (ESET); W32/CVE130074.C.gen!Eldorado (F-Prot); Exploit.CVE-2013-0074 (Ikarus)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

It does not have rootkit capabilities.

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.

It does not have any propagation routine.

It does not have any backdoor routine.

It does not have any downloading capability.

It does not have any information-stealing capability.

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

  TECHNICAL DETAILS

File Size:

23,552 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

05 Feb 2015

Payload:

Compromises system security

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.

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Download Routine

This Trojan does not have any downloading capability.

Information Theft

This Trojan does not have any information-stealing capability.

Other Details

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

  • MainPage.xaml
  • videocreator.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:

It does not have rootkit capabilities.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

11.460.06

FIRST VSAPI PATTERN DATE:

05 Feb 2015

VSAPI OPR PATTERN File:

11.461.00

VSAPI OPR PATTERN Date:

06 Feb 2015

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_EXPLOYT.APS. 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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