Analysis by: Joshua Paul Ignacio
ALIASES:

N/A

 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

This Trojan may be downloaded by other malware/grayware from remote sites.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size: 467 bytes
File Type: Other
Memory Resident: No
Initial Samples Received Date: 06 Jan 2020
Payload: Deletes files, Connects to URLs/IPs, Collects system information

Arrival Details

This Trojan may be downloaded by the following malware/grayware from remote sites:

Other System Modifications

This Trojan deletes the following files:

  • rcmd*
  • /tmp/rcmd*
  • {Current Directory}/rcmd*
  • min*
  • /tmp/min*
  • {Current Directory}/min*
  • nohup.out
  • /tmp/nohup.out
  • {Current Directory}/nohup.out

Information Theft

This Trojan gathers the following data:

  • Current Directory
  • Username
  • System Time and Date
  • Kernel Information
  • Number of Processing Units
  • List of Display Interface

Stolen Information

This Trojan sends the gathered information via HTTP POST to the following URL:

  • http://{BLOCKED}ter.com/assets/.style/remote/info.php

Other Details

This Trojan connects to the following URL(s) to get the affected system's IP address:

  • http://{BLOCKED}ter.com/assets/.style/remote/info.php

It deletes itself after execution.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.608.02
FIRST VSAPI PATTERN DATE: 07 Jan 2020
VSAPI OPR PATTERN File: 15.609.00
VSAPI OPR PATTERN Date: 08 Jan 2020

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