General

  • Target

    JaffaCakes118_df111541b38a5770af185e26817f8ddc

  • Size

    14.0MB

  • Sample

    250110-jvkq7axpcy

  • MD5

    df111541b38a5770af185e26817f8ddc

  • SHA1

    3cb16dac04be9c17cafba3c8c4b94f4d264d5a20

  • SHA256

    3299d2af046f00158fa626819958e757bef231094dce1cc1e3d2f2d30657901e

  • SHA512

    177e75aedb32afea5a19b8ab9be60d3cb37dbfdcbaa017c58caf9339dfa55fd7951cabad5f9ed21544328204590c9bdb4ebde0b02944bba0d093ea5a6ac42d74

  • SSDEEP

    3072:OrLSAaIXFM9X/WWIyOEfEDQMZWecFKmZ:oNWktyH9V

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      JaffaCakes118_df111541b38a5770af185e26817f8ddc

    • Size

      14.0MB

    • MD5

      df111541b38a5770af185e26817f8ddc

    • SHA1

      3cb16dac04be9c17cafba3c8c4b94f4d264d5a20

    • SHA256

      3299d2af046f00158fa626819958e757bef231094dce1cc1e3d2f2d30657901e

    • SHA512

      177e75aedb32afea5a19b8ab9be60d3cb37dbfdcbaa017c58caf9339dfa55fd7951cabad5f9ed21544328204590c9bdb4ebde0b02944bba0d093ea5a6ac42d74

    • SSDEEP

      3072:OrLSAaIXFM9X/WWIyOEfEDQMZWecFKmZ:oNWktyH9V

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks