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General

  • Target

    bc0db50e394ee39b57a709b77f5e280a

  • Size

    13.3MB

  • Sample

    240309-ryey4saa33

  • MD5

    bc0db50e394ee39b57a709b77f5e280a

  • SHA1

    784fc1303bafbce76bf0b02da9d814605a84e79f

  • SHA256

    216c4de57aae07cd4a677efd02183dc2709a6e096575d9b6fee861fd4217203f

  • SHA512

    764d067f4d1e8906b1a4f5337cd665514e0f61afb24c18c4b1593503744dd34fb6029d1182a15ed85ca906ed9da06d6dc5c1cef59eb861d4f2790c5073e43dd3

  • SSDEEP

    49152:fj5555555555555555555555555555555555555555555555555555555555555Z:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      bc0db50e394ee39b57a709b77f5e280a

    • Size

      13.3MB

    • MD5

      bc0db50e394ee39b57a709b77f5e280a

    • SHA1

      784fc1303bafbce76bf0b02da9d814605a84e79f

    • SHA256

      216c4de57aae07cd4a677efd02183dc2709a6e096575d9b6fee861fd4217203f

    • SHA512

      764d067f4d1e8906b1a4f5337cd665514e0f61afb24c18c4b1593503744dd34fb6029d1182a15ed85ca906ed9da06d6dc5c1cef59eb861d4f2790c5073e43dd3

    • SSDEEP

      49152:fj5555555555555555555555555555555555555555555555555555555555555Z:

    • 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