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General

  • Target

    JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001

  • Size

    153KB

  • Sample

    241222-b41j1ayjat

  • MD5

    e5f2853120da2cbc825d9f939cbff419

  • SHA1

    e8e9d04efeda444fd3c07ef60658969a6bfc14e7

  • SHA256

    80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001

  • SHA512

    2204dc1bfa972c69b2517d0f8f300158650c44ae69ac53f2519450aeb80327ffe6958fcf948f6f3d3c8620ccf3912818a44ff3c4b5dca45a7849bf46626b493c

  • SSDEEP

    3072:77dDJXxBJ9t1WV7v5UyOXIPmyHEiYikP0O:77BJB/9tcypnik8O

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001

    • Size

      153KB

    • MD5

      e5f2853120da2cbc825d9f939cbff419

    • SHA1

      e8e9d04efeda444fd3c07ef60658969a6bfc14e7

    • SHA256

      80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001

    • SHA512

      2204dc1bfa972c69b2517d0f8f300158650c44ae69ac53f2519450aeb80327ffe6958fcf948f6f3d3c8620ccf3912818a44ff3c4b5dca45a7849bf46626b493c

    • SSDEEP

      3072:77dDJXxBJ9t1WV7v5UyOXIPmyHEiYikP0O:77BJB/9tcypnik8O

    • 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