JAVA_EXPLOYT.AAAA

October 30, 2014
 Analysis by: Adrian Cofreros
 ALIASES:

Exploit:Java/CVE-2012-1723, Exploit:Java/Obfuscator.J, Exploit:Java/CVE-2012-1723(Microsoft),HEUR:Exploit.Java.CVE-2012-1723.gen(Kaspersky)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

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

  TECHNICAL DETAILS

File Size:

Varies

File Type:

Java Class, JAR

Initial Samples Received Date:

18 Oct 2014

Arrival Details

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

Download Routine

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

It downloads a possibly malicious file from a certain URL. The URL where this malware downloads the said file depends on the parameter passed on to it by its components.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

11.222.01

FIRST VSAPI PATTERN DATE:

19 Oct 2014

VSAPI OPR PATTERN File:

11.223.00

VSAPI OPR PATTERN Date:

20 Oct 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 JAVA_EXPLOYT.AAAA. 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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