General

  • Target
    MoonStealer-main.zip
  • Size 561KB
  • Sample250131-e8bm8a1jar
  • SHA256 cc16889abbfe38386a105e602d856c512a2dfd51795ad55092ab27983e70b3b5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • 23.94.99.6:6606

  • 23.94.99.6:7707

  • 23.94.99.6:8808

  • 23.94.99.6:4782

Mutex
  • qdWLYmlsI9yW

Attributes
  • delay

    3

  • install

    true

  • install_file

    required.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      MoonStealer-main/MoonStealer_assets/upx/updater.exe
    • Size 48KB
    • SHA256 e57f42b4a9e3305785a2a6e1ffb14fa82d90d5094e8e5ecb3cd8fcb903637d92
    • MD5 SHA1 SHA512 SSDEEP
    • AsyncRat

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

    • Asyncrat family

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Target
      MoonStealer-main/MoonStealer_assets/upx/upx.exe
    • Size 525KB
    • SHA256 a4240ea0e8a916d15f8391edef9705ab4de1f516dd360f0a336c5358686d434b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    5/10
    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target
      out.upx
    • Size 2.0MB
    • SHA256 a84e70f79c993beadbfcade43bf51f63d841ecd27eaced77c0976e70fba9de69
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      MoonStealer-main/builder.py
    • Size 6KB
    • SHA256 8d84f48da564d51a2ca621554179e82f9bf12ca5db097977a2146b373c6fad32
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      MoonStealer-main/install.bat
    • Size 95B
    • SHA256 9fa41aabbfef72bc8a6d3342b2f399a82c2f6ec7bc14e46bc1d3dcacd4f5d3c3
    • MD5 SHA1 SHA512
    • AsyncRat

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

    • Asyncrat family

    • Async RAT payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Target
      MoonStealer-main/main.py
    • Size 48KB
    • SHA256 f4c4c2476408c644b2aebf613d42ef361e2a5630c7a62c505bf4c319aace6293
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      MoonStealer-main/start.bat
    • Size 35B
    • SHA256 03aac700e872f2a2a05f79990504f7eb39950ccfd539e818e8586ebb7ef55158
    • MD5 SHA1 SHA512
    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks