General

  • Target

    c51aba749c879901b01541a953fc336e_JaffaCakes118

  • Size

    13.3MB

  • Sample

    240827-qy5n4atbnc

  • MD5

    c51aba749c879901b01541a953fc336e

  • SHA1

    f50814f5782dfd9b234428d07e687623a68971e3

  • SHA256

    389f1cad58921e8267bdd0ae4c3d7007d6f3ac2f2b83360f57f2d1719d4f1072

  • SHA512

    40e2f62613b368f390ace86f5d83b083e533391b45a6ddc97bb12013f29a2646d2fb2e10c7760132e31d75f457f30559a3179b2fffe1cafa6ba0ba610c6784f6

  • SSDEEP

    49152:AwAKFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFd:Aw

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      c51aba749c879901b01541a953fc336e_JaffaCakes118

    • Size

      13.3MB

    • MD5

      c51aba749c879901b01541a953fc336e

    • SHA1

      f50814f5782dfd9b234428d07e687623a68971e3

    • SHA256

      389f1cad58921e8267bdd0ae4c3d7007d6f3ac2f2b83360f57f2d1719d4f1072

    • SHA512

      40e2f62613b368f390ace86f5d83b083e533391b45a6ddc97bb12013f29a2646d2fb2e10c7760132e31d75f457f30559a3179b2fffe1cafa6ba0ba610c6784f6

    • SSDEEP

      49152:AwAKFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFd:Aw

    • 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