General

  • Target

    b99fc6a17806412c9540fb726239c81a2948313e3bb12314bc984949c7591efa

  • Size

    771KB

  • Sample

    231125-vjhy1acb4w

  • MD5

    c39235ace04368ff3fd1da7d8d30320d

  • SHA1

    389229442d120923686a547c52a98b1b719510e6

  • SHA256

    b99fc6a17806412c9540fb726239c81a2948313e3bb12314bc984949c7591efa

  • SHA512

    2da5df6e9fddd958df83b14e56831730dc3bd8b1eb26c621c529da195f86483eac927ce96b8fdd6a3daabb8cfbb8a3bf8f1028bd79f79eab216e8fa12728914a

  • SSDEEP

    12288:U761vvrXBDZZmDmSh7SHSjX4z4ZV4kzI6OcGfAkx4tOF6j+Z:U7qvrXo7ZNX4z4YbcGfAkx4tNE

Malware Config

Targets

    • Target

      b99fc6a17806412c9540fb726239c81a2948313e3bb12314bc984949c7591efa

    • Size

      771KB

    • MD5

      c39235ace04368ff3fd1da7d8d30320d

    • SHA1

      389229442d120923686a547c52a98b1b719510e6

    • SHA256

      b99fc6a17806412c9540fb726239c81a2948313e3bb12314bc984949c7591efa

    • SHA512

      2da5df6e9fddd958df83b14e56831730dc3bd8b1eb26c621c529da195f86483eac927ce96b8fdd6a3daabb8cfbb8a3bf8f1028bd79f79eab216e8fa12728914a

    • SSDEEP

      12288:U761vvrXBDZZmDmSh7SHSjX4z4ZV4kzI6OcGfAkx4tOF6j+Z:U7qvrXo7ZNX4z4YbcGfAkx4tNE

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks