Analysis by: John Donnie Celestre
ALIASES:

Riskware/CoinMiner (FORTINET); Win32:CryptoMiner-L [Trj] (AVAST)

 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.

It requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine.

  TECHNICAL DETAILS

File Size: 5,097,472 bytes
File Type: EXE
Initial Samples Received Date: 29 Aug 2019

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 requires the existence of the following files to properly run:

  • config.json

It requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.330.04
FIRST VSAPI PATTERN DATE: 29 Aug 2019
VSAPI OPR PATTERN File: 15.331.00
VSAPI OPR PATTERN Date: 30 Aug 2019

Scan your computer with your Trend Micro product to delete files detected as Coinminer.Win64.MALXMR.TIAOODBY. 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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