General

  • Target

    JaffaCakes118_4d462207c5e280d0f7fa051e76ffc2098dcc4c5bf5a57eb3b34ed11a34cb6226

  • Size

    284KB

  • Sample

    241225-y6gk8swqel

  • MD5

    7f73ad66202a5d4689c977e9351b7cfa

  • SHA1

    e679d98251eedcc308068c1488908168aa82ce14

  • SHA256

    4d462207c5e280d0f7fa051e76ffc2098dcc4c5bf5a57eb3b34ed11a34cb6226

  • SHA512

    cbf6f9a7d262ce7623c8d8ddb6720d627c93c61ac63b711f9e55b3fcb95269ac9a00d171d630a9c1719c7ffaae9e1e969fbbe7f76c8813b4d73fbc70a29f6c79

  • SSDEEP

    6144:EKDTIWFp63IcFTbID2uzbgwu6L7ITsqSigaTwVf:FTIQp635h62unnn7s

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_4d462207c5e280d0f7fa051e76ffc2098dcc4c5bf5a57eb3b34ed11a34cb6226

    • Size

      284KB

    • MD5

      7f73ad66202a5d4689c977e9351b7cfa

    • SHA1

      e679d98251eedcc308068c1488908168aa82ce14

    • SHA256

      4d462207c5e280d0f7fa051e76ffc2098dcc4c5bf5a57eb3b34ed11a34cb6226

    • SHA512

      cbf6f9a7d262ce7623c8d8ddb6720d627c93c61ac63b711f9e55b3fcb95269ac9a00d171d630a9c1719c7ffaae9e1e969fbbe7f76c8813b4d73fbc70a29f6c79

    • SSDEEP

      6144:EKDTIWFp63IcFTbID2uzbgwu6L7ITsqSigaTwVf:FTIQp635h62unnn7s

    • 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