General

  • Target

    JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94

  • Size

    333KB

  • Sample

    241229-fvfkpatldk

  • MD5

    eb0678df119dfd9e714fba2fae3d5239

  • SHA1

    98f2d165ad96ef58d52276529ca0b00e38ff7295

  • SHA256

    b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94

  • SHA512

    b273f385cac30c8bedc84e8f10ddcc7b1746ed079b64164592c1bacba29e1fbfd9228c8b04f62a55909ff3954e5d97ffd9fc90a20ee68b5720cf3ee11fc110d1

  • SSDEEP

    6144:MomFiQiTBGC2R4Stn/ZV0duUphnrzkXCcLHmGpqwep:tmFsBvI4un/ZV0duuhrYXCc6mL6

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94

    • Size

      333KB

    • MD5

      eb0678df119dfd9e714fba2fae3d5239

    • SHA1

      98f2d165ad96ef58d52276529ca0b00e38ff7295

    • SHA256

      b1e47155b6dcd9b8c11598628832f66876805b9417af2b6e3cfb11b3890eaa94

    • SHA512

      b273f385cac30c8bedc84e8f10ddcc7b1746ed079b64164592c1bacba29e1fbfd9228c8b04f62a55909ff3954e5d97ffd9fc90a20ee68b5720cf3ee11fc110d1

    • SSDEEP

      6144:MomFiQiTBGC2R4Stn/ZV0duUphnrzkXCcLHmGpqwep:tmFsBvI4un/ZV0duuhrYXCc6mL6

    • 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