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Coinminer_MALXMR.C-PS1

December 27, 2019
 Analysis by: Clive Fuentebella
 ALIASES:

Trojan.Downloader.Agent.ABSD (BitDefender); Trojan:Wuin32/WannaMine.B (Microsoft)

 PLATFORM:

Windows

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

  • Threat Type: Coinminer

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Coinminer arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

4,273,376 bytes

File Type:

PS1

Memory Resident:

No

Initial Samples Received Date:

15 Feb 2018

Arrival Details

This Coinminer 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 Coinminer attempts to access the following websites to download files, which are possibly malicious:

  • {BLOCKED}.{BLOCKED}.{BLOCKED}7.157
  • node.{BLOCKED}v.com
  • node2.{BLOCKED}v.com
  • node3.{BLOCKED}v.com
  • node4.{BLOCKED}v.com

However, as of this writing, the said sites are inaccessible.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.964.06

FIRST VSAPI PATTERN DATE:

13 Feb 2018

VSAPI OPR PATTERN File:

13.965.00

VSAPI OPR PATTERN Date:

14 Feb 2018

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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 Coinminer_MALXMR.C-PS1. 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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