General

  • Target

    JaffaCakes118_16df6cea6c715d967ae63d6b5558eb3d3d1b1b1d758d31ea76d2dc81673b1f71

  • Size

    238KB

  • Sample

    241222-byxwxsxqbw

  • MD5

    04aad3afb392a73a20d30113627a0904

  • SHA1

    c2858ee930d3aa39e130379941a16596ee42583a

  • SHA256

    16df6cea6c715d967ae63d6b5558eb3d3d1b1b1d758d31ea76d2dc81673b1f71

  • SHA512

    f1197d7e87109c72b74d9a993b0e83635a217bc69bafecadc21db11d67bcd81c1579f364270e3839e9ef787f8c37a300c7ac37ec0e71da1e03cc9bb2e43536e2

  • SSDEEP

    6144:hX2ED6j2X7Q9pnpY5kdQElH7ITsq7igavwVf:hX246iX7QdY5kd979

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_16df6cea6c715d967ae63d6b5558eb3d3d1b1b1d758d31ea76d2dc81673b1f71

    • Size

      238KB

    • MD5

      04aad3afb392a73a20d30113627a0904

    • SHA1

      c2858ee930d3aa39e130379941a16596ee42583a

    • SHA256

      16df6cea6c715d967ae63d6b5558eb3d3d1b1b1d758d31ea76d2dc81673b1f71

    • SHA512

      f1197d7e87109c72b74d9a993b0e83635a217bc69bafecadc21db11d67bcd81c1579f364270e3839e9ef787f8c37a300c7ac37ec0e71da1e03cc9bb2e43536e2

    • SSDEEP

      6144:hX2ED6j2X7Q9pnpY5kdQElH7ITsq7igavwVf:hX246iX7QdY5kd979

    • 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