General

  • Target

    JaffaCakes118_013fba036dd48a94da833b2bf9803b76

  • Size

    10.5MB

  • Sample

    241231-c3fc4szlel

  • MD5

    013fba036dd48a94da833b2bf9803b76

  • SHA1

    89d754dc7baded56e4652262a19a659d265d0ebf

  • SHA256

    1f4c50d838d219ad267220ab0364f0f5e9cf0311e9d34772bcae88e64af0a0ef

  • SHA512

    eca85f354836abcce6e1167f3615a2ef06addaf23077843d378e2cd3945a4d9ba832ca381c7e243ee10232069b358e42f0ccc0a010a6368fd71cfcab45c93d1e

  • SSDEEP

    98304:5Y3333333333333333333333333333333333333333333333333333333333333H:5

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_013fba036dd48a94da833b2bf9803b76

    • Size

      10.5MB

    • MD5

      013fba036dd48a94da833b2bf9803b76

    • SHA1

      89d754dc7baded56e4652262a19a659d265d0ebf

    • SHA256

      1f4c50d838d219ad267220ab0364f0f5e9cf0311e9d34772bcae88e64af0a0ef

    • SHA512

      eca85f354836abcce6e1167f3615a2ef06addaf23077843d378e2cd3945a4d9ba832ca381c7e243ee10232069b358e42f0ccc0a010a6368fd71cfcab45c93d1e

    • SSDEEP

      98304:5Y3333333333333333333333333333333333333333333333333333333333333H:5

    • 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