Analysis by: Kiyoshi Obuchi
ALIASES:

PUA/CryptoMiner.Gen (Antivir), Riskware/CoinHive (Fortinet)

 PLATFORM:

Windows

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

  • Threat Type: Coinminer

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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. It may be hosted on a website and run when a user accesses the said website.

It uses the system's central processing unit (CPU) and/or graphical processing unit (GPU) resources to mine cryptocurrency. This malicious script runs on web browsers, which may be installed on any operating system.

  TECHNICAL DETAILS

File Size: 68,248 bytes
File Type: HTML, HTM, JS
Memory Resident: Yes
Initial Samples Received Date: 13 Sep 2018

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.

It may be hosted on a website and run when a user accesses the said website.

Other Details

This Coinminer connects to the following possibly malicious URL:

  • https://{BLOCKED}ive.com/lib/coinhive.min.js

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.

This malicious script runs on web browsers, which may be installed on any operating system.