General

  • Target

    run.bat

  • Size

    112B

  • Sample

    241031-xvc81a1kax

  • MD5

    b3f50a8a1fdf65f72acfc392d7db1997

  • SHA1

    c1bc099646fbea004aaf17f3eb87278ab59183b4

  • SHA256

    658c17e61e2be23560eb06de67c6fa4c413124803d4e012125ce912114df1835

  • SHA512

    3af753a22c44cedc232efc0e9d5f30c356fa231158efca707c87c5baccc6877fbd75a85008bda805150700930d96857baf304b4451a8bcc8b8f117752e989c13

Malware Config

Targets

    • Target

      run.bat

    • Size

      112B

    • MD5

      b3f50a8a1fdf65f72acfc392d7db1997

    • SHA1

      c1bc099646fbea004aaf17f3eb87278ab59183b4

    • SHA256

      658c17e61e2be23560eb06de67c6fa4c413124803d4e012125ce912114df1835

    • SHA512

      3af753a22c44cedc232efc0e9d5f30c356fa231158efca707c87c5baccc6877fbd75a85008bda805150700930d96857baf304b4451a8bcc8b8f117752e989c13

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v15

Tasks