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INF_BLACKEN.A

October 14, 2014
 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

This malware is downloaded by the zero-day exploit leveraging the vulnerability covered under CVE-2014-4114, also known as "Sandworm."

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

This Trojan may be downloaded from remote sites by other malware.

It is used to load and execute a file.

  TECHNICAL DETAILS

File Size:

446 bytes

File Type:

INF

Initial Samples Received Date:

14 Oct 2014

Payload:

Executes files

Arrival Details

This Trojan may be downloaded from remote site(s) by the following malware:

Other System Modifications

This Trojan modifies the following file(s):

  • renames slide1.gif to slide1.gif.exe - detected as BKDR_BLACKEN.A

It adds the following registry entries as part of its installation routine:

HKEY_LOCAL_MACHINE\Microsoft\Windows\
CurrentVersion\RunOnce
Install = "{malware path}\slide1.gif.exe"

Other Details

This Trojan is used to load and execute the following file:

  • {malware path}\slide1.gif.exe - detected as BKDR_BLACKEN.A

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

11.210.05

FIRST VSAPI PATTERN DATE:

14 Oct 2014

VSAPI OPR PATTERN File:

11.211.00

VSAPI OPR PATTERN Date:

15 Oct 2014

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must to allow full scanning of their computers.

Step 2

Remove the malware/grayware file that dropped/downloaded INF_BLACKEN.A. (Note: Please skip this step if the threat(s) listed below have already been removed.)