Analysis by: Maria Emreen Viray
ALIASES:

HEUR:RiskTool.OSX.Miner.m (KASPERSKY); Misleading:MacOS/CoinMiner.BA!MTB (MICROSOFT)

 PLATFORM:

OSX

 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.

  TECHNICAL DETAILS

File Size: 698,576 bytes
File Type: Mach-O
Memory Resident: No
Initial Samples Received Date: 15 Feb 2021

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 does the following:

  • when executed from the terminal, it will display the following messages:
     Configuration stored in file 'config.txt'
     Please enter:
     - Please enter the currency that you want to mine:
       - arqma
       - loki
       - monero
       - randomx
       - randomx_arqma
       - randomx_loki
       - randomx_wow
       - wownero

     loki
     - Pool address: e.g. pool.example.com:3333
  • this command-line app can be used for mining various cryptocurrencies depending on user inputted configurations
  • it is a command-line instance xmr-stak miner for Mac Operating System

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 16.544.04
FIRST VSAPI PATTERN DATE: 17 Feb 2021
VSAPI OPR PATTERN File: 16.545.00
VSAPI OPR PATTERN Date: 18 Feb 2021

Scan your computer with your Trend Micro product to delete files detected as Coinminer.MacOS.MALXMR.EG. 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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