General

  • Target

    e91f87757b258636c980a9f915163bda_JaffaCakes118

  • Size

    11.0MB

  • Sample

    241213-bdn4aavpbl

  • MD5

    e91f87757b258636c980a9f915163bda

  • SHA1

    efe9d2e60af6a2a48630f9569700fcbfa2614432

  • SHA256

    54ae63cbfc8ffd4f1774f3bfa72767838e69ea8fb7462235e8ea2090ecbac6b1

  • SHA512

    f0dc167766ff7769884c71ac26a552cf2cc5babcc56608884f11776a41f635a316094bc8f0a2ed50175f45a533bfec27e2b1b593fac0e90848e5f52ca0fb87b8

  • SSDEEP

    24576:doGUbmtvDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDL:N9t

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      e91f87757b258636c980a9f915163bda_JaffaCakes118

    • Size

      11.0MB

    • MD5

      e91f87757b258636c980a9f915163bda

    • SHA1

      efe9d2e60af6a2a48630f9569700fcbfa2614432

    • SHA256

      54ae63cbfc8ffd4f1774f3bfa72767838e69ea8fb7462235e8ea2090ecbac6b1

    • SHA512

      f0dc167766ff7769884c71ac26a552cf2cc5babcc56608884f11776a41f635a316094bc8f0a2ed50175f45a533bfec27e2b1b593fac0e90848e5f52ca0fb87b8

    • SSDEEP

      24576:doGUbmtvDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDL:N9t

    • 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