General

  • Target

    JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861

  • Size

    238KB

  • Sample

    241223-rx5hdaslbs

  • MD5

    408c1945565f2750805d4794738e9ac6

  • SHA1

    5337152dea98cc8689642d06b1dd401a36576dee

  • SHA256

    8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861

  • SHA512

    2ca65d40c0984003654c6f49f1258ac584b742932e2b5935d0d197d8771ea6e75a12aafc9983c9dee2ba318786be9d7def38690ee7bd2b0a875e61b601afd613

  • SSDEEP

    6144:p3ZQq23DLJtr0Cl20X3pZxbkToSdx5pgG5H:BZWJtrPlVZxoESJn

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861

    • Size

      238KB

    • MD5

      408c1945565f2750805d4794738e9ac6

    • SHA1

      5337152dea98cc8689642d06b1dd401a36576dee

    • SHA256

      8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861

    • SHA512

      2ca65d40c0984003654c6f49f1258ac584b742932e2b5935d0d197d8771ea6e75a12aafc9983c9dee2ba318786be9d7def38690ee7bd2b0a875e61b601afd613

    • SSDEEP

      6144:p3ZQq23DLJtr0Cl20X3pZxbkToSdx5pgG5H:BZWJtrPlVZxoESJn

    • 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