General

  • Target

    fbf7f5a1d66ec9bd0a2e87620f4b6436_JaffaCakes118

  • Size

    11.5MB

  • Sample

    240420-fh6akshg9v

  • MD5

    fbf7f5a1d66ec9bd0a2e87620f4b6436

  • SHA1

    7ba7cb141c344e42e70fa8aeaadfbc67cb5a7556

  • SHA256

    dacb0e8a5b8abd37770016b0ea137fe0ddc7a098a00fdcf37246daca01b15762

  • SHA512

    31180bfc9255be6f8f02780793492ebe28d56725819eb181d0289f2e1e260e4109c1a0f37c540ffd237164afc656fff6a8a9b31c9fcb6bc140d9110d0d75315c

  • SSDEEP

    24576:DjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee+:D/D

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fbf7f5a1d66ec9bd0a2e87620f4b6436_JaffaCakes118

    • Size

      11.5MB

    • MD5

      fbf7f5a1d66ec9bd0a2e87620f4b6436

    • SHA1

      7ba7cb141c344e42e70fa8aeaadfbc67cb5a7556

    • SHA256

      dacb0e8a5b8abd37770016b0ea137fe0ddc7a098a00fdcf37246daca01b15762

    • SHA512

      31180bfc9255be6f8f02780793492ebe28d56725819eb181d0289f2e1e260e4109c1a0f37c540ffd237164afc656fff6a8a9b31c9fcb6bc140d9110d0d75315c

    • SSDEEP

      24576:DjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee+:D/D

    • Tofsee

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

    • 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