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General

  • Target

    f57318e139826014dbcc8f0eaad35e40_JaffaCakes118

  • Size

    12.5MB

  • Sample

    240417-k8jxgsaf95

  • MD5

    f57318e139826014dbcc8f0eaad35e40

  • SHA1

    39d26c2ffbb92c2f5b443ae094a84b1bf760aea2

  • SHA256

    97d0ba8f894b85f3f70a6178237202b905ee26b085419fef0710a06f2b715e07

  • SHA512

    e0a9568659e0ebd2a64b4c4e1fb070e2c4b946ec10a63b301221b5b9528c532da9ea90f535a8037e514faf210649a214bca001d3e4b45f1ac5dd09640a345b4c

  • SSDEEP

    49152:g8yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyye:g

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      f57318e139826014dbcc8f0eaad35e40_JaffaCakes118

    • Size

      12.5MB

    • MD5

      f57318e139826014dbcc8f0eaad35e40

    • SHA1

      39d26c2ffbb92c2f5b443ae094a84b1bf760aea2

    • SHA256

      97d0ba8f894b85f3f70a6178237202b905ee26b085419fef0710a06f2b715e07

    • SHA512

      e0a9568659e0ebd2a64b4c4e1fb070e2c4b946ec10a63b301221b5b9528c532da9ea90f535a8037e514faf210649a214bca001d3e4b45f1ac5dd09640a345b4c

    • SSDEEP

      49152:g8yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyye:g

    • 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