General

  • Target

    6ee1acf65033f976c454076e7bfffdae7e7a0c9fa86be23d09dcec6dd2b6df02

  • Size

    255KB

  • Sample

    241221-wdtc8avpam

  • MD5

    508f7fb1894f6b62f1be00a2f1c44599

  • SHA1

    6249464295b0424bb74726ea8148878cfb295692

  • SHA256

    6ee1acf65033f976c454076e7bfffdae7e7a0c9fa86be23d09dcec6dd2b6df02

  • SHA512

    eba6d8b0d73abff9955d7025cef7c53221a2dba3667ff199a87d3edec62e781440820026432f73e1b20353f95ab9b315b7c9d9388f2655705889ceda75d7c2ca

  • SSDEEP

    6144:iorUJvgpuP4t0XrOyc79RAU5SJu9WPBshHviRpHFO:iq64puP4tMzyRAU5Mu9WWhHvm6

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      6ee1acf65033f976c454076e7bfffdae7e7a0c9fa86be23d09dcec6dd2b6df02

    • Size

      255KB

    • MD5

      508f7fb1894f6b62f1be00a2f1c44599

    • SHA1

      6249464295b0424bb74726ea8148878cfb295692

    • SHA256

      6ee1acf65033f976c454076e7bfffdae7e7a0c9fa86be23d09dcec6dd2b6df02

    • SHA512

      eba6d8b0d73abff9955d7025cef7c53221a2dba3667ff199a87d3edec62e781440820026432f73e1b20353f95ab9b315b7c9d9388f2655705889ceda75d7c2ca

    • SSDEEP

      6144:iorUJvgpuP4t0XrOyc79RAU5SJu9WPBshHviRpHFO:iq64puP4tMzyRAU5Mu9WWhHvm6

    • 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