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

Infection Channel: 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

File Size: 206 bytes
File Type: Script
Memory Resident: Yes
Initial Samples Received Date: 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

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 16.148.04
FIRST VSAPI PATTERN DATE: 06 Aug 2020
VSAPI OPR PATTERN File: 16.149.00
VSAPI OPR PATTERN Date: 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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