General

  • Target

    JaffaCakes118_a8d65709b6c6aafab9e360448ce84fd5

  • Size

    10.6MB

  • Sample

    250108-yj2ynatjgl

  • MD5

    a8d65709b6c6aafab9e360448ce84fd5

  • SHA1

    983680d1f9a85ab0497513062db3a0220bff7c67

  • SHA256

    1fed49beb1c305310c18e449393936b58f59bd9855df4d7c7ca20eb9e7f31a71

  • SHA512

    54af1429968c82b240c9f70e4d4e08fb61fe41c7064f36c86303e776d71efd6f09f5d6ec418bff84d94a2a8132e25bf2adfa2ec0f2e1a645765ebc1a2ecad5b2

  • SSDEEP

    6144:jeaRFeYiZtnsLs/Xyihb124uKPoifbY/3sGIU5N5:jF7/iZtRXpu3ijwf5T

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_a8d65709b6c6aafab9e360448ce84fd5

    • Size

      10.6MB

    • MD5

      a8d65709b6c6aafab9e360448ce84fd5

    • SHA1

      983680d1f9a85ab0497513062db3a0220bff7c67

    • SHA256

      1fed49beb1c305310c18e449393936b58f59bd9855df4d7c7ca20eb9e7f31a71

    • SHA512

      54af1429968c82b240c9f70e4d4e08fb61fe41c7064f36c86303e776d71efd6f09f5d6ec418bff84d94a2a8132e25bf2adfa2ec0f2e1a645765ebc1a2ecad5b2

    • SSDEEP

      6144:jeaRFeYiZtnsLs/Xyihb124uKPoifbY/3sGIU5N5:jF7/iZtRXpu3ijwf5T

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • 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