Analysis by: Jay Bradley Nebre
ALIASES:

HEUR:RiskTool.Linux.BitCoinMiner.b(Kaspersky); Linux.Coinminer(Norton)

 PLATFORM:

Linux

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Coinminer

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

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

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 uses the system's central processing unit (CPU) and/or graphical processing unit (GPU) resources to mine cryptocurrency.

  TECHNICAL DETAILS

File Size: 1,789,280 bytes
File Type: ELF
Memory Resident: Yes
Initial Samples Received Date: 21 Mar 2019

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:

    • Mine in the following pools: xmr.{BLOCKED}l.com:13531
    • Uses the folllowing Wallet Addresses:
    • {BLOCKED}zzq46N1z2pZWAVdeA6JvUL9TCB2bnBiA3ZzoqEdYJnMydt5akCa3vtmapeDsbVKGPFdNkzqTcJS8M8oyK7WGijzKrMTGkC671HT6
    • {BLOCKED}QhyDBCZokwmVd5HG5Gp7UrAeLVuVmZbKcs4rTZTx1UXGECxbePXha3qncffYYhJjG5FRGxM1scV9dbN62VCGiPdtQ

It accepts the following parameters:

  • -a, --algo=ALGO = specify the algorithm to use
    auto
    tube
    xhv - haven pool
    trtl - turtlecoin
    gpu
    invalid
    cryptonight
    cryptonight/0
    cryptonight/1
    cryptonight/xtl - stellite pool
    cryptonight/msr - masari pool
    cryptonight/xao - alloy pool
    cryptonight/rto - arto pool
    cryptonight/2
    cryptonight/half
    cryptonight/xtlv9
    cryptonight/wow -wownero pool
    cryptonight/r
  • -o, --url=URL = URL of mining server
  • -O, --userpass=U:P = username:password pair for mining server
  • -u, --user=USERNAME = username for mining server
  • -p, --pass=PASSWORD = password for mining server
  • --rig-id=ID = rig identifier for pool-side statistics (needs pool support)
  • -t, --threads=N = number of miner threads
  • -v, --av=N = algorithm variation, 0 auto select
  • -k, --keepalive = send keepalived packet for prevent timeout (needs pool support)
  • --nicehash = enable nicehash.com support
  • --tls = enable SSL/TLS support (needs pool support)
  • --tls-fingerprint=F = pool TLS certificate fingerprint, if set enable strict certificate pinning
  • -r, --retries=N = number of times to retry before switch to backup server (default: 5)
  • -R, --retry-pause=N = time to pause

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: 14.886.03
FIRST VSAPI PATTERN DATE: 21 Mar 2019
VSAPI OPR PATTERN File: 14.887.00
VSAPI OPR PATTERN Date: 22 Mar 2019

Scan your computer with your Trend Micro product to delete files detected as Coinminer.Linux.MALXMR.UWEJC. 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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