General

  • Target

    JaffaCakes118_0fa0a275bd7e44e06575f66fcc1893a0

  • Size

    14.7MB

  • Sample

    250106-fkgd8swqgw

  • MD5

    0fa0a275bd7e44e06575f66fcc1893a0

  • SHA1

    45d17f1dc1888d96a204eb30a1506d068a7cae87

  • SHA256

    c0542671b2d5d047231bdbb5bec3f243b31a9b3d94d878714a9a912bf9f4b52a

  • SHA512

    d8e8cf833f56d0effb2503e1f1069a676c0a2ce9eac77930adf2e4769d7f7e40042bb31b7b335fdfe5a903ebe96bdbee7010135329e693a1eae31613afe3a53c

  • SSDEEP

    24576:5dOmsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAI:f

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_0fa0a275bd7e44e06575f66fcc1893a0

    • Size

      14.7MB

    • MD5

      0fa0a275bd7e44e06575f66fcc1893a0

    • SHA1

      45d17f1dc1888d96a204eb30a1506d068a7cae87

    • SHA256

      c0542671b2d5d047231bdbb5bec3f243b31a9b3d94d878714a9a912bf9f4b52a

    • SHA512

      d8e8cf833f56d0effb2503e1f1069a676c0a2ce9eac77930adf2e4769d7f7e40042bb31b7b335fdfe5a903ebe96bdbee7010135329e693a1eae31613afe3a53c

    • SSDEEP

      24576:5dOmsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAI:f

    • 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