Analysis by: Jemimah Mae Molina
 PLATFORM:

Linux

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware, 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.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size: 221 bytes
File Type: PL
Memory Resident: No
Initial Samples Received Date: 06 Jan 2020
Payload: Deletes files, Connects to URLs/IPs

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.

Other System Modifications

This Trojan deletes the following files:

  • /tmp/min
  • /tmp/nohup.out

Download Routine

This Trojan connects to the following website(s) to download and execute a malicious file:

  • https://{BLOCKED}ter.com/assets/.style/min.sh

It saves the files it downloads using the following names:

Other Details

This Trojan deletes itself after execution.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.608.01
FIRST VSAPI PATTERN DATE: 08 Jan 2020
VSAPI OPR PATTERN File: 15.609.00
VSAPI OPR PATTERN Date: 09 Jan 2020

Scan your computer with your Trend Micro product to delete files detected as Trojan.Perl.MALXMR.UWEJS. 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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