General

  • Target

    ebc9363be598521bca4653506ed233ea8f7a52a0c7ed4a121130bbc1a1f27e2f

  • Size

    291KB

  • Sample

    241221-tpeyvsspfm

  • MD5

    2a19f07c0c822efed923fccc2fbfd3ee

  • SHA1

    21892b14eae94d9efc116d4c26179ea7259736e7

  • SHA256

    ebc9363be598521bca4653506ed233ea8f7a52a0c7ed4a121130bbc1a1f27e2f

  • SHA512

    421190d41cc983b0e7de72b8e60460dbb9ad8b67341b17a711738befa8a443e19aee0c982d7541ae1a3265dd0f86203ab1287f48320bc0b95be06a100a1be682

  • SSDEEP

    6144:WHWNUXjubm55cP8kiqiSXuZet0ySbrH9my8p36f:6XV68kBiSXuZet0ySbrf8p3W

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      ebc9363be598521bca4653506ed233ea8f7a52a0c7ed4a121130bbc1a1f27e2f

    • Size

      291KB

    • MD5

      2a19f07c0c822efed923fccc2fbfd3ee

    • SHA1

      21892b14eae94d9efc116d4c26179ea7259736e7

    • SHA256

      ebc9363be598521bca4653506ed233ea8f7a52a0c7ed4a121130bbc1a1f27e2f

    • SHA512

      421190d41cc983b0e7de72b8e60460dbb9ad8b67341b17a711738befa8a443e19aee0c982d7541ae1a3265dd0f86203ab1287f48320bc0b95be06a100a1be682

    • SSDEEP

      6144:WHWNUXjubm55cP8kiqiSXuZet0ySbrH9my8p36f:6XV68kBiSXuZet0ySbrf8p3W

    • 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