General

  • Target

    JaffaCakes118_7c3bc71946b4af5c9477021ea9ec1203

  • Size

    11.8MB

  • Sample

    250104-16kzrsznfz

  • MD5

    7c3bc71946b4af5c9477021ea9ec1203

  • SHA1

    1b4242cf7d3ab378c4ed165a604b373aa02a5784

  • SHA256

    76557e058cac01f8461dce0096df24e2fc552cc9909a89aca28c19164d75b00d

  • SHA512

    69ae04d5c41aaa6a4f7fc2c2c0a6658171862850b78a831938b7ca017a250311d24de659041a32af01ced7e11590146c71807403c9bbf4a0301b5a1deb03b7b6

  • SSDEEP

    3072:6VSA/SsuaW0G4uXQgwQpcCLti0ulGMYM1:sasBW06XQpQpFpTulG3

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      JaffaCakes118_7c3bc71946b4af5c9477021ea9ec1203

    • Size

      11.8MB

    • MD5

      7c3bc71946b4af5c9477021ea9ec1203

    • SHA1

      1b4242cf7d3ab378c4ed165a604b373aa02a5784

    • SHA256

      76557e058cac01f8461dce0096df24e2fc552cc9909a89aca28c19164d75b00d

    • SHA512

      69ae04d5c41aaa6a4f7fc2c2c0a6658171862850b78a831938b7ca017a250311d24de659041a32af01ced7e11590146c71807403c9bbf4a0301b5a1deb03b7b6

    • SSDEEP

      3072:6VSA/SsuaW0G4uXQgwQpcCLti0ulGMYM1:sasBW06XQpQpFpTulG3

    • 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