General

  • Target

    JaffaCakes118_cf6104e5331d9a119eeb7875e4f09dda1321328b474b8ea5f079d81df98cfad2

  • Size

    142KB

  • Sample

    241223-yyvswszlhy

  • MD5

    558455c90379aa477528aecf5c9171cd

  • SHA1

    5ab455b2ec8b9005a1bacd4f7e522cbae7c6bebe

  • SHA256

    cf6104e5331d9a119eeb7875e4f09dda1321328b474b8ea5f079d81df98cfad2

  • SHA512

    9db45da59dd7521927d0851b1cc96edab7bf1ba81d50d479ede299a34e2f42ef3fdda972dbe0e7ae29acb1c7475896d9931ba725f56a03d19a11c1385a6d7617

  • SSDEEP

    1536:68EcWv2ZfLIPL09oTPftjqy/3/NousvD19QQ2hCubXj5/ICjNH7wbnFIsyna5Y4M:dT/oTPftjqb1yd7z5QWbwDOsFY2

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_cf6104e5331d9a119eeb7875e4f09dda1321328b474b8ea5f079d81df98cfad2

    • Size

      142KB

    • MD5

      558455c90379aa477528aecf5c9171cd

    • SHA1

      5ab455b2ec8b9005a1bacd4f7e522cbae7c6bebe

    • SHA256

      cf6104e5331d9a119eeb7875e4f09dda1321328b474b8ea5f079d81df98cfad2

    • SHA512

      9db45da59dd7521927d0851b1cc96edab7bf1ba81d50d479ede299a34e2f42ef3fdda972dbe0e7ae29acb1c7475896d9931ba725f56a03d19a11c1385a6d7617

    • SSDEEP

      1536:68EcWv2ZfLIPL09oTPftjqy/3/NousvD19QQ2hCubXj5/ICjNH7wbnFIsyna5Y4M:dT/oTPftjqb1yd7z5QWbwDOsFY2

    • 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