General

  • Target

    4cd172768ec94c54ad538e4e07301fb8_JaffaCakes118

  • Size

    11.9MB

  • Sample

    241016-pjy3bssgqm

  • MD5

    4cd172768ec94c54ad538e4e07301fb8

  • SHA1

    f908ce00f8b7df39eb89884041b354766d3082a9

  • SHA256

    88e38a15962ba6b86297a18b6635e6774b76cc91198c5cf432b4336610e015a2

  • SHA512

    e36edff9d68b98afa0d2124b1cb5c765eca702e5c877fa8f2524a5e7a3b098bb42574d62fc56bdff0bacbc421af196460c59f198204eee490d8eb6f256f4317c

  • SSDEEP

    49152:Igntttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt/:I

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      4cd172768ec94c54ad538e4e07301fb8_JaffaCakes118

    • Size

      11.9MB

    • MD5

      4cd172768ec94c54ad538e4e07301fb8

    • SHA1

      f908ce00f8b7df39eb89884041b354766d3082a9

    • SHA256

      88e38a15962ba6b86297a18b6635e6774b76cc91198c5cf432b4336610e015a2

    • SHA512

      e36edff9d68b98afa0d2124b1cb5c765eca702e5c877fa8f2524a5e7a3b098bb42574d62fc56bdff0bacbc421af196460c59f198204eee490d8eb6f256f4317c

    • SSDEEP

      49152:Igntttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt/:I

    • 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