General

  • Target

    f399ef025b4aad20f8d6bc1e3e23822d_JaffaCakes118

  • Size

    12.2MB

  • Sample

    241215-mmr23s1pax

  • MD5

    f399ef025b4aad20f8d6bc1e3e23822d

  • SHA1

    225ca5bec26218e9b2ac60ff741c5aa8dabe243a

  • SHA256

    e72446ec15432b1960fa9fe6a6e468a6461433daf3e6cac79ad953ce0d10c686

  • SHA512

    d9b6fdc3207fccd6e55d037c2f0111ff07e4c03304e6b1095e2388a38c3c666e349c949d337d4bc222938cb87a0bbd69c1eac5bbb8509febc593d235cae38a33

  • SSDEEP

    24576:DRQITb1qsssssssssssssssssssssssssssssssssssssssssssssssssssssssr:n

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f399ef025b4aad20f8d6bc1e3e23822d_JaffaCakes118

    • Size

      12.2MB

    • MD5

      f399ef025b4aad20f8d6bc1e3e23822d

    • SHA1

      225ca5bec26218e9b2ac60ff741c5aa8dabe243a

    • SHA256

      e72446ec15432b1960fa9fe6a6e468a6461433daf3e6cac79ad953ce0d10c686

    • SHA512

      d9b6fdc3207fccd6e55d037c2f0111ff07e4c03304e6b1095e2388a38c3c666e349c949d337d4bc222938cb87a0bbd69c1eac5bbb8509febc593d235cae38a33

    • SSDEEP

      24576:DRQITb1qsssssssssssssssssssssssssssssssssssssssssssssssssssssssr:n

    • 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