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TROJ_KILLDISK.C

January 28, 2016
 Analysis by: David John Agni
 ALIASES:

Trojan.Disakil (Symantec), Trojan.SystemKiller (Malwarebytes), a variant of Win32/KillDisk.NBC (ESET-NOD32)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware


This malware is related to the recent BlackEnergy targeted attacks that affected industries in Ukraine.

To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.

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.

  TECHNICAL DETAILS

File Size:

90,112 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

06 Jan 2016

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.

Other Details

This Trojan does the following:

  • Wipe Master Boot Record Data
  • Destroy the affected system by corrupting critical system files
  • Reboot the system

  SOLUTION

Minimum Scan Engine:

9.800

VSAPI OPR PATTERN File:

12.257.00

VSAPI OPR PATTERN Date:

07 Jan 2016

NOTES:
Restore the system from backup or reinstalling the operating system.


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