General

  • Target

    JaffaCakes118_062fce8b9f73b1fc87b28d03695f8000d7e20cb6c0ad388f346815ac561d4517

  • Size

    154KB

  • Sample

    241225-yvk5aawjav

  • MD5

    971185496b23d211fc7474e9374ab374

  • SHA1

    ffa43b2c453d4bb11a0be1051a2053ae81229a9e

  • SHA256

    062fce8b9f73b1fc87b28d03695f8000d7e20cb6c0ad388f346815ac561d4517

  • SHA512

    13257bb542d99b9f33672be36d34d27ddeca9d872b7ee4d3e0999f6d130c35a5b42664508b7b2bf3aacd5dd25e67d405ae640e8ed2f715c55de92e5748675e0a

  • SSDEEP

    3072:LzamdBklO3M250scMTJ2449nC5Mc8SaxMEQk0O:LzldqlO3/0scwJu95SayEcO

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_062fce8b9f73b1fc87b28d03695f8000d7e20cb6c0ad388f346815ac561d4517

    • Size

      154KB

    • MD5

      971185496b23d211fc7474e9374ab374

    • SHA1

      ffa43b2c453d4bb11a0be1051a2053ae81229a9e

    • SHA256

      062fce8b9f73b1fc87b28d03695f8000d7e20cb6c0ad388f346815ac561d4517

    • SHA512

      13257bb542d99b9f33672be36d34d27ddeca9d872b7ee4d3e0999f6d130c35a5b42664508b7b2bf3aacd5dd25e67d405ae640e8ed2f715c55de92e5748675e0a

    • SSDEEP

      3072:LzamdBklO3M250scMTJ2449nC5Mc8SaxMEQk0O:LzldqlO3/0scwJu95SayEcO

    • 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