Analysis by: Alyssa Christelle Ramos

 PLATFORM:

Linux

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

  • Threat Type: Coinminer

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet, Dropped by other malware

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

However, as of this writing, the said sites are inaccessible. It uses the system's central processing unit (CPU) and/or graphical processing unit (GPU) resources to mine cryptocurrency.

  TECHNICAL DETAILS

File Size: 679 bytes
File Type: Other
Memory Resident: No
Initial Samples Received Date: 04 May 2020

Arrival Details

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

Other Details

This Coinminer does the following:

  • It tries to connect to an arbitrary URL/IP randomly to get a list of IP addresses and tries to connect to it and scans for the following open Docker ports:
    • 2375
    • 2376
    • 2377
    • 4244
    • 4243
  • Once it is connected to an arbitrary URL/IP, it connects to the following website(s) to download and execute a malicious file:

However, as of this writing, the said sites are inaccessible.

It uses the system's central processing unit (CPU) and/or graphical processing unit (GPU) resources to mine cryptocurrency. This behavior makes the system run abnormally slow.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.850.01
FIRST VSAPI PATTERN DATE: 05 May 2020
VSAPI OPR PATTERN File: 15.851.00
VSAPI OPR PATTERN Date: 06 May 2020

Scan your computer with your Trend Micro product to delete files detected as Coinminer.SH.HADGLIDER.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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