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Trojan.SH.MINESTARTER.A

July 10, 2019
 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.

  TECHNICAL DETAILS

File Size:

409 bytes

File Type:

Other

Memory Resident:

No

Initial Samples Received Date:

08 Jul 2019

Payload:

Deletes files, Connects to URLs/IPs, Downloads files, Executes files

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:

  • ck.log - contains process found that contains /www/vhosts
  • dir.log - contains the first directory found

Other System Modifications

This Trojan deletes the following files:

  • ck.log
  • dir.log

Download Routine

This Trojan downloads the file from the following URL and renames the file when stored in the affected system:

  • http://{BLOCKED}.{BLOCKED}.52.55/uploads/so3 to {path found that was stored in dir.log}\s03

Other Details

This Trojan does the following:

  • Extract downloaded s03 archive
  • Execute files from the decompressed archive
  • Check the architecture of the infected machine
  • Execute a coinminer depending on the architecture
  • Create a cron job for the coinminer

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.222.05

FIRST VSAPI PATTERN DATE:

08 Jul 2019

VSAPI OPR PATTERN File:

15.223.00

VSAPI OPR PATTERN Date:

09 Jul 2019

Scan your computer with your Trend Micro product to delete files detected as Trojan.SH.MINESTARTER.A. 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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