General

  • Target
    Silent.Crypto.Miner.Builder.rar
  • Size 81.8MB
  • Sample240717-a6sfqs1dpc
  • SHA256 2d892e65432b58585112e78deec5750652a25249dd4f56e0fd6d47fe7804baf1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • AsyncRAT

Botnet
  • unam

C2
  • windowsignn.theworkpc.com:6606

Mutex
  • AsyncMutex_5552

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      Repo/bin/dll.bat
    • Size 382KB
    • SHA256 478ca90bdf1d94b880dd18c1fd1a5b6124d4e1c4b77c546df88a0aa992aeb225
    • MD5 SHA1 SHA512 SSDEEP
    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Async RAT payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Hide Artifacts: Hidden Files and Directories

    • Target
      Repo/bin/unam.exe
    • Size 129.3MB
    • SHA256 17c277605769ede5442963fa5cad409a03c23077c34f9ed6a1f72835154294d3
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Silent Crypto Miner Builder.exe
    • Size 139KB
    • SHA256 d833831e38738d03ed6156ec458d3252c379cf7c9c986fcfe8626184d3bceafd
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks