Analysis by: Robert Nicole Malagad
ALIASES:

Trojan:Win32/CoinMiner.BW!bit (Microsoft)

 PLATFORM:

Windows

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

  • Threat Type: Coinminer

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware

This Coinminer may be dropped by other malware.

  TECHNICAL DETAILS

File Size: 890,880 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 25 Jul 2018
Payload: Connects to URLs/IPs

Arrival Details

This Coinminer may be dropped by the following malware:

Other Details

This Coinminer does the following:

  • It uses the following details for its coin mining routine:
    • Username: "{BLOCKED}JPixHADRx95Z7LLP9KKZtbpncp5uuAL8YM1VWg4EkCEEXBs1ey"
    • Password: "x"
  • It connects to the following URL as part of its coin mining routine:
    • {BLOCKED}-east1.nanopool.org:14444

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 14.300.08
FIRST VSAPI PATTERN DATE: 07 Jun 2018
VSAPI OPR PATTERN File: 14.301.00
VSAPI OPR PATTERN Date: 08 Jun 2018

Step 1

Scan your computer with your Trend Micro product to delete files detected as Coinminer_MALXMR.SM4-WIN32. 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:

Step 2

Remove the malware/grayware file dropped/downloaded by Coinminer_MALXMR.SM4-WIN32. (Note: Please skip this step if the threat(s) listed below have already been removed.)


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