JAVA_AGENT.MKO

October 09, 2012
 Analysis by: Christopher Daniel So
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size:

14,024 bytes

File Type:

Java Class

Memory Resident:

No

Initial Samples Received Date:

10 May 2011

Payload:

Downloads files

Arrival Details

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

NOTES:
This Trojan downloads the file specified in the URL in the parameter assof. It saves the files it downloads using the following names:

  • %User Temp%\{random number}.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

FIRST VSAPI PATTERN FILE:

8.150.13

FIRST VSAPI PATTERN DATE:

11 May 2011

VSAPI OPR PATTERN File:

8.151.00

VSAPI OPR PATTERN Date:

11 May 2011

NOTES:

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