General

  • Target

    JaffaCakes118_31ef4220284e4ed1645adb6e69a0002125e1f57f118f5aab365cd3f41b6c688a

  • Size

    306KB

  • Sample

    241222-gn1sqawrgm

  • MD5

    4e7be3684c62def8a26a2cbc2859adf9

  • SHA1

    e3320aa01a1f3b88bdde30d14cd6e5db7c182d71

  • SHA256

    31ef4220284e4ed1645adb6e69a0002125e1f57f118f5aab365cd3f41b6c688a

  • SHA512

    6800982bebd2a23abde78b63c287745075c941268bb0ef5b254aba48c053dc54486e3dc55ff5de9f751aa6ed2c339b927db3cc3611bf4d2e7653e2f5aace949a

  • SSDEEP

    6144:0rjLAupj3IwX5ealbVF/V5cOFZnzbvV1id8Ct:MEupj3Iu5LVBcODvV8

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_31ef4220284e4ed1645adb6e69a0002125e1f57f118f5aab365cd3f41b6c688a

    • Size

      306KB

    • MD5

      4e7be3684c62def8a26a2cbc2859adf9

    • SHA1

      e3320aa01a1f3b88bdde30d14cd6e5db7c182d71

    • SHA256

      31ef4220284e4ed1645adb6e69a0002125e1f57f118f5aab365cd3f41b6c688a

    • SHA512

      6800982bebd2a23abde78b63c287745075c941268bb0ef5b254aba48c053dc54486e3dc55ff5de9f751aa6ed2c339b927db3cc3611bf4d2e7653e2f5aace949a

    • SSDEEP

      6144:0rjLAupj3IwX5ealbVF/V5cOFZnzbvV1id8Ct:MEupj3Iu5LVBcODvV8

    • 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