Overview

overview

10

Static

static

3

chinaFree.exe

windows10-2004-x64

10

chinaFree.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    chinaFree.exe
  • Size 4.0MB
  • Sample260809-tktlfsbc55
  • SHA256 d60a671caff1789b5653cf14581b204d6f73025ba9f104e61cb253470b6dde5e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xmrigdiscoveryexecutionminerpersistence

Malware Config

Targets

    • Target
      chinaFree.exe
    • Size 4.0MB
    • SHA256 d60a671caff1789b5653cf14581b204d6f73025ba9f104e61cb253470b6dde5e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionxmrigminerpersistence

    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner payload

      miner

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Cryptocurrency Miner

      Makes network request to known mining pool URL.

      miner

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks