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BKDR_EQUATED.LZCMU

June 22, 2018
 Analysis by: John Anthony Banes
 PLATFORM:

Windows

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware


This Backdoor may arrive bundled with malware packages as a malware component. It 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 manually installed by a user.

  TECHNICAL DETAILS

File Size:

45,568 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

18 Jun 2018

Arrival Details

This Backdoor may arrive bundled with malware packages as a malware component.

It 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 manually installed by a user.

Other Details

This Backdoor requires the following additional components to properly run:

  • cnli-1.dll
  • coli-0.dll
  • crli-0.dll
  • exma-1.dll
  • libeay32.dll
  • libxml2.dll
  • posh-0.dll
  • ssleay32.dll
  • tibe-2.dll
  • trch-1.dll
  • trfo-2.dll
  • tucl-1.dll
  • ucl.dll
  • xdvl-0.dll
  • zlib1.dll
  • {malware filenmame}.xml - configuration file

It does the following:

  • It executes the following commands to the target IP address:
    • Ping test
    • Uninstall itself
    • Load and Execute shellcode
    • Execute DLL

NOTES:

This malware is also known as DoublePulsar backdoor and it is used alongside with EternalBlue exploit. (Detected as TROJ_EQUATED.LZCMT)

It accepts the following parameters:

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.330.03

FIRST VSAPI PATTERN DATE:

21 Jun 2018

VSAPI OPR PATTERN File:

14.331.00

VSAPI OPR PATTERN Date:

22 Jun 2018

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

Scan your computer with your Trend Micro product to delete files detected as BKDR_EQUATED.LZCMU. 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 the following Trend Micro Support pages for more information:


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