General

  • Target

    JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5

  • Size

    187KB

  • Sample

    241224-vcbw4ssnbk

  • MD5

    25ba41269d69b8d9e36a657f5a693365

  • SHA1

    64ac09b1ba11323a5722593080053e0a29338ff3

  • SHA256

    0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5

  • SHA512

    b05a807a75d82c9c639f623ee5d7af2f05d1002ea3fa74f167dd8f38b18a5b2d8de7b4ce094f05986b85afc6bf1c60b5ef1dfeac4f00188cfbf17dcb042c10b4

  • SSDEEP

    3072:u7nkTvI0pZG/xfCbrUoBMs4IJvs0PmFVilOpZa9uD6Vdyhkf:++vI0pZG/xfC3UmywVf

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5

    • Size

      187KB

    • MD5

      25ba41269d69b8d9e36a657f5a693365

    • SHA1

      64ac09b1ba11323a5722593080053e0a29338ff3

    • SHA256

      0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5

    • SHA512

      b05a807a75d82c9c639f623ee5d7af2f05d1002ea3fa74f167dd8f38b18a5b2d8de7b4ce094f05986b85afc6bf1c60b5ef1dfeac4f00188cfbf17dcb042c10b4

    • SSDEEP

      3072:u7nkTvI0pZG/xfCbrUoBMs4IJvs0PmFVilOpZa9uD6Vdyhkf:++vI0pZG/xfC3UmywVf

    • 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