General

  • Target

    JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959

  • Size

    211KB

  • Sample

    241223-3jv8bsvmfx

  • MD5

    9665aea33b898abe45a17f0a37ddada2

  • SHA1

    a3fcb62d1007a17387827d5562c08defa2c2768d

  • SHA256

    b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959

  • SHA512

    6fd6d11effc468b4c25cb0dac504057ebb59219a51ff3dd6cc87ac599111b266f11f3cb3a736b4fa1afde2a71e4c9b6700914631b2a445b5e0a31b1418c1f524

  • SSDEEP

    3072:3prJOGCT28OJwIvGvt1LpqC6mcLsRuR5WHeHruAZPwOxAV6fjMfvNZhgC:3prsoJwIvaLpqCIAKWHnALNjMfv5

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959

    • Size

      211KB

    • MD5

      9665aea33b898abe45a17f0a37ddada2

    • SHA1

      a3fcb62d1007a17387827d5562c08defa2c2768d

    • SHA256

      b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959

    • SHA512

      6fd6d11effc468b4c25cb0dac504057ebb59219a51ff3dd6cc87ac599111b266f11f3cb3a736b4fa1afde2a71e4c9b6700914631b2a445b5e0a31b1418c1f524

    • SSDEEP

      3072:3prJOGCT28OJwIvGvt1LpqC6mcLsRuR5WHeHruAZPwOxAV6fjMfvNZhgC:3prsoJwIvaLpqCIAKWHnALNjMfv5

    • 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