General

  • Target

    JaffaCakes118_551ba3507f8cf7f20baa918bb6445fc67dc1e9980c521e7c8e4f3106b3f563ef

  • Size

    197KB

  • Sample

    241229-mypq4azlhr

  • MD5

    d664f6cd5e19ce2644f2f7c37478a718

  • SHA1

    868334830144813fd151a90b35d45d2c04f27069

  • SHA256

    551ba3507f8cf7f20baa918bb6445fc67dc1e9980c521e7c8e4f3106b3f563ef

  • SHA512

    42c48954963a502526e41adc43e5fb4c03996a333fb49fb401020f6834c3f7e8bf3bed5a4043e03d23cc25d6a8ba895083341b30252121cc3beb64cbaa104938

  • SSDEEP

    3072:bnrGpXZ1ZzvsZQ7PTU/K5WHrcPI1Zed05x8EuSzsz:brGRZTsZWbozcPI17huSz+

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_551ba3507f8cf7f20baa918bb6445fc67dc1e9980c521e7c8e4f3106b3f563ef

    • Size

      197KB

    • MD5

      d664f6cd5e19ce2644f2f7c37478a718

    • SHA1

      868334830144813fd151a90b35d45d2c04f27069

    • SHA256

      551ba3507f8cf7f20baa918bb6445fc67dc1e9980c521e7c8e4f3106b3f563ef

    • SHA512

      42c48954963a502526e41adc43e5fb4c03996a333fb49fb401020f6834c3f7e8bf3bed5a4043e03d23cc25d6a8ba895083341b30252121cc3beb64cbaa104938

    • SSDEEP

      3072:bnrGpXZ1ZzvsZQ7PTU/K5WHrcPI1Zed05x8EuSzsz:brGRZTsZWbozcPI17huSz+

    • 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