General

  • Target

    JaffaCakes118_9ff44d9fb9de4235ad6b9046731a425c2be0329f36c6d8d31980aa85c71e05a8

  • Size

    228KB

  • Sample

    241226-vvy5cssmcn

  • MD5

    39f8a25f73e04416c3de07548c94287d

  • SHA1

    ab931fd48f4711835300f7d26fefb6720e998633

  • SHA256

    9ff44d9fb9de4235ad6b9046731a425c2be0329f36c6d8d31980aa85c71e05a8

  • SHA512

    e909e52d5ef6804fca2111b0131d8892a9a1c747f80d4968292e7228d26b61517657ea63f319e14ee6692b509220895d4cf66e1a3ff208e56beeeeedfc298880

  • SSDEEP

    3072:AcFOZRBBnLzOcn1H6yVphikEkzRO0SXT7yX1bNYys++2U0zsVbMDTAo:AcFO3XScn1HfpLEkNrN7JlRj

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_9ff44d9fb9de4235ad6b9046731a425c2be0329f36c6d8d31980aa85c71e05a8

    • Size

      228KB

    • MD5

      39f8a25f73e04416c3de07548c94287d

    • SHA1

      ab931fd48f4711835300f7d26fefb6720e998633

    • SHA256

      9ff44d9fb9de4235ad6b9046731a425c2be0329f36c6d8d31980aa85c71e05a8

    • SHA512

      e909e52d5ef6804fca2111b0131d8892a9a1c747f80d4968292e7228d26b61517657ea63f319e14ee6692b509220895d4cf66e1a3ff208e56beeeeedfc298880

    • SSDEEP

      3072:AcFOZRBBnLzOcn1H6yVphikEkzRO0SXT7yX1bNYys++2U0zsVbMDTAo:AcFO3XScn1HfpLEkNrN7JlRj

    • 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