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General

  • Target

    file.exe

  • Size

    7.3MB

  • Sample

    220927-rb4nysegak

  • MD5

    3242ae2edccc379bf6f29af7969e3bbc

  • SHA1

    a6a30fabb8a26ac544bfbb699c0553eff37116de

  • SHA256

    1a3215e55898b9d944a1d74d2c77d72edbb6385613a51e9b22568fc942e83e28

  • SHA512

    5876e2db0a58e416d72be43bea21aca6900d0eb5779b5cfffa58e53bc784664c8b454547dc451bbb51abd4e6b43ace3ee52367837d0179e940d3e002f8391fed

  • SSDEEP

    196608:91OHzWMQ1MJoW7dz1VrfHEve6knxIwynv97oh7QGs:3OHzTZPNDkvFEEoh7Qt

Malware Config

Targets

    • Target

      file.exe

    • Size

      7.3MB

    • MD5

      3242ae2edccc379bf6f29af7969e3bbc

    • SHA1

      a6a30fabb8a26ac544bfbb699c0553eff37116de

    • SHA256

      1a3215e55898b9d944a1d74d2c77d72edbb6385613a51e9b22568fc942e83e28

    • SHA512

      5876e2db0a58e416d72be43bea21aca6900d0eb5779b5cfffa58e53bc784664c8b454547dc451bbb51abd4e6b43ace3ee52367837d0179e940d3e002f8391fed

    • SSDEEP

      196608:91OHzWMQ1MJoW7dz1VrfHEve6knxIwynv97oh7QGs:3OHzTZPNDkvFEEoh7Qt

    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks