General

  • Target

    JaffaCakes118_d50965c4bd00566509a4a5a2cd6fcabd669671292a969eaa2001235f8b071ab4

  • Size

    197KB

  • Sample

    241230-zf5qtaxpbr

  • MD5

    842fa585d481765c7b4aa288052dde34

  • SHA1

    a096a35996fed417b8fea7b1308ed18dab39e20d

  • SHA256

    d50965c4bd00566509a4a5a2cd6fcabd669671292a969eaa2001235f8b071ab4

  • SHA512

    f7e3eacbaf6191eebd1fefe3bc528b016817e0b0028eb0b8409b9b3ae61a78b7a6a56ba27115127af904176009e58526eff66ee88ae5730f9bb1923cfd865d53

  • SSDEEP

    3072:2e68IejDacBIeXDOCzDufIIAMgiU8XKPqfP2IjBvKB6klGfLIQVNWBz:2e2evacGea6qfvvKB6k8Txql

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_d50965c4bd00566509a4a5a2cd6fcabd669671292a969eaa2001235f8b071ab4

    • Size

      197KB

    • MD5

      842fa585d481765c7b4aa288052dde34

    • SHA1

      a096a35996fed417b8fea7b1308ed18dab39e20d

    • SHA256

      d50965c4bd00566509a4a5a2cd6fcabd669671292a969eaa2001235f8b071ab4

    • SHA512

      f7e3eacbaf6191eebd1fefe3bc528b016817e0b0028eb0b8409b9b3ae61a78b7a6a56ba27115127af904176009e58526eff66ee88ae5730f9bb1923cfd865d53

    • SSDEEP

      3072:2e68IejDacBIeXDOCzDufIIAMgiU8XKPqfP2IjBvKB6klGfLIQVNWBz:2e2evacGea6qfvvKB6k8Txql

    • 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