General

  • Target

    4331618d1d6d8c657a87955bebeba51d.bin

  • Size

    2.3MB

  • Sample

    240516-c3j2asgf4t

  • MD5

    4331618d1d6d8c657a87955bebeba51d

  • SHA1

    2852a002b9c2ad94c1e508916d263594f6cd7b64

  • SHA256

    565832a12194b0c86a4a30bb3c0b2a4e3a2d28f03256456c41164ad8715969cc

  • SHA512

    f491d666b4befdc3b9fa334b61f596296e1112570cabee18bbdd25306fd2f5f7c5f23bf34bb67b564627cda408e0178fc479a236ff29fe6d6020237997b4f806

  • SSDEEP

    49152:SuuE7AnqIxGrGYyZa/tgrYJUGfZC3wA6EylfwEaFWd:UE7AqrlyutLxC3sEwwMd

Malware Config

Targets

    • Target

      4331618d1d6d8c657a87955bebeba51d.bin

    • Size

      2.3MB

    • MD5

      4331618d1d6d8c657a87955bebeba51d

    • SHA1

      2852a002b9c2ad94c1e508916d263594f6cd7b64

    • SHA256

      565832a12194b0c86a4a30bb3c0b2a4e3a2d28f03256456c41164ad8715969cc

    • SHA512

      f491d666b4befdc3b9fa334b61f596296e1112570cabee18bbdd25306fd2f5f7c5f23bf34bb67b564627cda408e0178fc479a236ff29fe6d6020237997b4f806

    • SSDEEP

      49152:SuuE7AnqIxGrGYyZa/tgrYJUGfZC3wA6EylfwEaFWd:UE7AqrlyutLxC3sEwwMd

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks