General

  • Target

    JaffaCakes118_0eb6b0fc3422af428901ae2040613dd2

  • Size

    11.7MB

  • Sample

    241231-kksvgssmav

  • MD5

    0eb6b0fc3422af428901ae2040613dd2

  • SHA1

    fcef32de3aba48092800cd8c555e7be0582b8576

  • SHA256

    8876921b3b4465d0430de048d2334f8822d8f82044b45ed9f6098654176e2f8b

  • SHA512

    5dc480eb4a8e3f594a40d74154124e9cc78b8abe475b3f476726428cfa8ad6ebcad6164b71c72c536cd7629c987151a3b9616d6395f69bce9075025aaa13f8b7

  • SSDEEP

    6144:8gZQZcij488Ua7qY57rMzCo8AqtSRV+a1Q:bZij488UaWYMzB5HRV+g

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_0eb6b0fc3422af428901ae2040613dd2

    • Size

      11.7MB

    • MD5

      0eb6b0fc3422af428901ae2040613dd2

    • SHA1

      fcef32de3aba48092800cd8c555e7be0582b8576

    • SHA256

      8876921b3b4465d0430de048d2334f8822d8f82044b45ed9f6098654176e2f8b

    • SHA512

      5dc480eb4a8e3f594a40d74154124e9cc78b8abe475b3f476726428cfa8ad6ebcad6164b71c72c536cd7629c987151a3b9616d6395f69bce9075025aaa13f8b7

    • SSDEEP

      6144:8gZQZcij488Ua7qY57rMzCo8AqtSRV+a1Q:bZij488UaWYMzB5HRV+g

    • 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