General

  • Target

    JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412

  • Size

    339KB

  • Sample

    241223-1e56maskgq

  • MD5

    5f299cb2641189797532b4399ab2db88

  • SHA1

    37f78ffb3e351479344153db438b28a752a2a0bc

  • SHA256

    620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412

  • SHA512

    8985d918b23ae4508926c3db9ea28b7c7935ce466914154296c8cd3b7429a213af2ba90acf3a4ab0e4c130c355d7036fcaac5b3e092dcb639e04e06465f18df5

  • SSDEEP

    6144:59Zdc9hBN4DUd7gE0RWiWRl9yMPIzPTt3kk7z:59Zdc9Hug7g7R1WRl9yMPIFn

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412

    • Size

      339KB

    • MD5

      5f299cb2641189797532b4399ab2db88

    • SHA1

      37f78ffb3e351479344153db438b28a752a2a0bc

    • SHA256

      620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412

    • SHA512

      8985d918b23ae4508926c3db9ea28b7c7935ce466914154296c8cd3b7429a213af2ba90acf3a4ab0e4c130c355d7036fcaac5b3e092dcb639e04e06465f18df5

    • SSDEEP

      6144:59Zdc9hBN4DUd7gE0RWiWRl9yMPIzPTt3kk7z:59Zdc9Hug7g7R1WRl9yMPIFn

    • 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