General

  • Target

    JaffaCakes118_8ef57b0ee52ad8d343c5febce2c3caf3

  • Size

    10.9MB

  • Sample

    250105-ga7dcawkhn

  • MD5

    8ef57b0ee52ad8d343c5febce2c3caf3

  • SHA1

    944e9be261db19754da9c1a097c7ac05f42fb7e9

  • SHA256

    9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0

  • SHA512

    630fa92ce62e6c9c0e8a6bdda757719c08d9344df5dfbe9867fa775e2d1f71e480e4fd4f6e9d386700f8caefda4577ab230295c209615df493d86c4411dbeb65

  • SSDEEP

    24576:3AWcGx111111111111111111111111111111111111111111111111111111111X:3HH

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_8ef57b0ee52ad8d343c5febce2c3caf3

    • Size

      10.9MB

    • MD5

      8ef57b0ee52ad8d343c5febce2c3caf3

    • SHA1

      944e9be261db19754da9c1a097c7ac05f42fb7e9

    • SHA256

      9d4f75a0010bb641b3429acee75c668c42b991c897a80d6ac4ffe84f2cea44c0

    • SHA512

      630fa92ce62e6c9c0e8a6bdda757719c08d9344df5dfbe9867fa775e2d1f71e480e4fd4f6e9d386700f8caefda4577ab230295c209615df493d86c4411dbeb65

    • SSDEEP

      24576:3AWcGx111111111111111111111111111111111111111111111111111111111X:3HH

    • 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