Analysis by: Karen Ivy Titiwa
ALIASES:

Trojan:Linux/CoinMiner.K(Microsoft)

 PLATFORM:

Linux

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

This Trojan 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.

  TECHNICAL DETAILS

File Size: 3077606 bytes
File Type: Other
Memory Resident: Yes
Initial Samples Received Date: 23 Mar 2021
Payload: Drops files

Arrival Details

This Trojan 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.

Other Details

This Trojan does the following:

  • It is an archive file which contains the following files:
    • config.json → coinminer configuration
    • SHA256SUMS → contains SHA256 of config.json and xmrig
    • xmrig → executable file detected as TROJ_GEN.R002C0DCC21

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 16.614.05
FIRST VSAPI PATTERN DATE: 24 Mar 2021
VSAPI OPR PATTERN File: 16.615.00
VSAPI OPR PATTERN Date: 25 Mar 2021

Scan your computer with your Trend Micro product to delete files detected as Trojan.Linux.MALXMR.A. 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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