General

  • Target

    f8cc259a0c835f7c01a3d4a76fbbf0e9_JaffaCakes118

  • Size

    13.4MB

  • Sample

    240418-1fxkwafe64

  • MD5

    f8cc259a0c835f7c01a3d4a76fbbf0e9

  • SHA1

    37bd6f7e3c970355684bbe521ade1bef750cea74

  • SHA256

    d070f43729c000ac138d6666b1ec932d5b513f94fd4eeba1f549811146a25a01

  • SHA512

    fadab6c9f3a4bba02ce0ea4a967aba52ed04ce0096796bce8d2cf66ff91a45767cde6ed646d672355afc74791f377fa2c02b499c6c2eb6490f7c7674396dce63

  • SSDEEP

    24576:5Uqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmH:5F15

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f8cc259a0c835f7c01a3d4a76fbbf0e9_JaffaCakes118

    • Size

      13.4MB

    • MD5

      f8cc259a0c835f7c01a3d4a76fbbf0e9

    • SHA1

      37bd6f7e3c970355684bbe521ade1bef750cea74

    • SHA256

      d070f43729c000ac138d6666b1ec932d5b513f94fd4eeba1f549811146a25a01

    • SHA512

      fadab6c9f3a4bba02ce0ea4a967aba52ed04ce0096796bce8d2cf66ff91a45767cde6ed646d672355afc74791f377fa2c02b499c6c2eb6490f7c7674396dce63

    • SSDEEP

      24576:5Uqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmH:5F15

    • 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