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General

  • Target

    edceb005c2a4dbdbd26fbf126afa558e_JaffaCakes118

  • Size

    13.8MB

  • Sample

    240411-tfza5sab91

  • MD5

    edceb005c2a4dbdbd26fbf126afa558e

  • SHA1

    2aca159eb26d1a8dd90392866c8cb340ea256969

  • SHA256

    bf377f3b66ceadcfa6d4da5f23ee0695063d00da714e6c6b78eae717b8d72b68

  • SHA512

    fff9c42708f303774083cd72b0a9bf4d0a62c0bbd10c80e18f21858e129802f651ed69e6e63d903e286c6521d5e1af9ebf123255fe687b0a0e37ecadb87c0726

  • SSDEEP

    49152:l1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll:lA

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      edceb005c2a4dbdbd26fbf126afa558e_JaffaCakes118

    • Size

      13.8MB

    • MD5

      edceb005c2a4dbdbd26fbf126afa558e

    • SHA1

      2aca159eb26d1a8dd90392866c8cb340ea256969

    • SHA256

      bf377f3b66ceadcfa6d4da5f23ee0695063d00da714e6c6b78eae717b8d72b68

    • SHA512

      fff9c42708f303774083cd72b0a9bf4d0a62c0bbd10c80e18f21858e129802f651ed69e6e63d903e286c6521d5e1af9ebf123255fe687b0a0e37ecadb87c0726

    • SSDEEP

      49152:l1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll:lA

    • 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