General

  • Target

    JaffaCakes118_57a85e5a7a0a56d238d4c55898499c8dc2c2239e5d1ee5e38ddeaa8552ebc075

  • Size

    344KB

  • Sample

    241222-bvk3ysxqeq

  • MD5

    2b7f6d00b23882b8eb2f7493e20e0e94

  • SHA1

    5c62565d6cfe3b92b998f507814c73c2beccbd70

  • SHA256

    57a85e5a7a0a56d238d4c55898499c8dc2c2239e5d1ee5e38ddeaa8552ebc075

  • SHA512

    332e76e613bfdd186288c418e50525ff39daa80f83ce1aecc0361cda28db6e05f79fc17b213b369a56e5dcd1ae2e1e673b0c0d62a846ae8e3d7c0e397b4d4eba

  • SSDEEP

    6144:mPPkTf4Px7WmDx1MW2rlvNdzdi7/8ocb6g:M8TyJdDx1MWQB3di7Uh6

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_57a85e5a7a0a56d238d4c55898499c8dc2c2239e5d1ee5e38ddeaa8552ebc075

    • Size

      344KB

    • MD5

      2b7f6d00b23882b8eb2f7493e20e0e94

    • SHA1

      5c62565d6cfe3b92b998f507814c73c2beccbd70

    • SHA256

      57a85e5a7a0a56d238d4c55898499c8dc2c2239e5d1ee5e38ddeaa8552ebc075

    • SHA512

      332e76e613bfdd186288c418e50525ff39daa80f83ce1aecc0361cda28db6e05f79fc17b213b369a56e5dcd1ae2e1e673b0c0d62a846ae8e3d7c0e397b4d4eba

    • SSDEEP

      6144:mPPkTf4Px7WmDx1MW2rlvNdzdi7/8ocb6g:M8TyJdDx1MWQB3di7Uh6

    • 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