General

  • Target

    JaffaCakes118_bc99ac81a45cc17560a54197c8adab537c44666a9893daa7a3b74190ee4c4dee

  • Size

    166KB

  • Sample

    241226-vyxqpssnem

  • MD5

    91700c48e05518ccbc4794aae5cecda0

  • SHA1

    1ca861daee99f49db51ec616c0e9189d5b9a6a19

  • SHA256

    bc99ac81a45cc17560a54197c8adab537c44666a9893daa7a3b74190ee4c4dee

  • SHA512

    270b780534727744ee92e1bf1cad19eeddb0c36dd57e72c0b1b3cbe690ea69acd7fbe2a9d5e2fe82b8aa10609d700ee06daca6a126d6dba7c0aab02498d3107a

  • SSDEEP

    3072:mclL4ayATSh/zfcPnZ6MMr80mTG/5euKG/FaX:3YA+NfOZ6nr80Yzu

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_bc99ac81a45cc17560a54197c8adab537c44666a9893daa7a3b74190ee4c4dee

    • Size

      166KB

    • MD5

      91700c48e05518ccbc4794aae5cecda0

    • SHA1

      1ca861daee99f49db51ec616c0e9189d5b9a6a19

    • SHA256

      bc99ac81a45cc17560a54197c8adab537c44666a9893daa7a3b74190ee4c4dee

    • SHA512

      270b780534727744ee92e1bf1cad19eeddb0c36dd57e72c0b1b3cbe690ea69acd7fbe2a9d5e2fe82b8aa10609d700ee06daca6a126d6dba7c0aab02498d3107a

    • SSDEEP

      3072:mclL4ayATSh/zfcPnZ6MMr80mTG/5euKG/FaX:3YA+NfOZ6nr80Yzu

    • 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