General

  • Target

    JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c

  • Size

    178KB

  • Sample

    241229-pt73zs1rgj

  • MD5

    57f3a7655c60ebabced5575c5fd57e3c

  • SHA1

    200a560ed809660e113264a43b16608e5d494d2b

  • SHA256

    c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c

  • SHA512

    743815293bc53a22accbdcd5d22e426c594a2325aabd089de4734828e20d6c912ea25301ad7feb26ec9f659e0efd3681131859a260ea3a1cb9f5a272ceb0bd79

  • SSDEEP

    3072:J7PGcGloEehA+H1Hg6X6FmANY/0SvMF84XLlm:DGWEehA+H1AeYY//kFDm

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c

    • Size

      178KB

    • MD5

      57f3a7655c60ebabced5575c5fd57e3c

    • SHA1

      200a560ed809660e113264a43b16608e5d494d2b

    • SHA256

      c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c

    • SHA512

      743815293bc53a22accbdcd5d22e426c594a2325aabd089de4734828e20d6c912ea25301ad7feb26ec9f659e0efd3681131859a260ea3a1cb9f5a272ceb0bd79

    • SSDEEP

      3072:J7PGcGloEehA+H1Hg6X6FmANY/0SvMF84XLlm:DGWEehA+H1AeYY//kFDm

    • 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