General

  • Target

    JaffaCakes118_e58409630e95d8ac57f087d7aff79d8ebe7a9b47e0994d151b43e0f42648e955

  • Size

    248KB

  • Sample

    241222-ezgswatlgj

  • MD5

    05171687b09ff86dfffe92f4fdd637ef

  • SHA1

    171ae4be69a4c47f11355fffb437eafbfca9f954

  • SHA256

    e58409630e95d8ac57f087d7aff79d8ebe7a9b47e0994d151b43e0f42648e955

  • SHA512

    aec67b38240fb1fe62a9f25ebf385f19ea5246b5822375f6a31a465a6dd6e047a255ff52950723ee650dcd52974b6076c1c4eceb967dcbdc6c62ca770b7b635a

  • SSDEEP

    6144:jyKwDO/FcU545JdF6uzbgwu6QigabwVf:2KwDeFHmdF6unn5

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_e58409630e95d8ac57f087d7aff79d8ebe7a9b47e0994d151b43e0f42648e955

    • Size

      248KB

    • MD5

      05171687b09ff86dfffe92f4fdd637ef

    • SHA1

      171ae4be69a4c47f11355fffb437eafbfca9f954

    • SHA256

      e58409630e95d8ac57f087d7aff79d8ebe7a9b47e0994d151b43e0f42648e955

    • SHA512

      aec67b38240fb1fe62a9f25ebf385f19ea5246b5822375f6a31a465a6dd6e047a255ff52950723ee650dcd52974b6076c1c4eceb967dcbdc6c62ca770b7b635a

    • SSDEEP

      6144:jyKwDO/FcU545JdF6uzbgwu6QigabwVf:2KwDeFHmdF6unn5

    • 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