Analysis by: Patrick Noel Collado

 PLATFORM:

Linux

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Canal de infecção: Downloaded from the Internet

This Trojan 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

Tipo de compactação: 206 bytes
Tipo de arquivo: Script
Residente na memória: Yes
Data de recebimento das amostras iniciais: 06 Aug 2020

Arrival Details

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

Installation

This Trojan drops the following files:

  • {Malware Path}\out.txt -> List of Docker servers with open ports

Other Details

This Trojan does the following:

  • Uses masscan to search for vulnerable Docker servers
  • Uses a container from {BLOCKED}mk/alpine2 to install and execute the cryptominer from the official XMRIG github repository.

  SOLUTION

Mecanismo de varredura mínima: 9.850
Primeiro arquivo padrão VSAPI: 16.148.04
Data do lançamento do primeiro padrão VSAPI: 06 Aug 2020
VSAPI OPR Pattern Version: 16.149.00
VSAPI OPR Pattern veröffentlicht am: 07 Aug 2020

Scan your computer with your Trend Micro product to delete files detected as Trojan.SH.MALXMR.UWEKI. 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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