General

  • Target

    JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1

  • Size

    284KB

  • Sample

    241224-bvgersxren

  • MD5

    523df49ca016ddcba85d75ea51e13cc1

  • SHA1

    360097a175edff477f95ac76e9a9e08b8ad126dd

  • SHA256

    89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1

  • SHA512

    fa3f3af8990d15bb4a4be4b2929e44a6da0680dcd33c1acf332f17990ad3078a9dad3de7cfddfeb0edeb53429b97644264d40a4370bd3f7ccc7a982f8363878b

  • SSDEEP

    3072:bfwmteWVHxy2D086b1/Z3RdCa9w8k9S20ke93/eNN4gVz/nyYKzLZVZYl6ljp5T1:bwmkGVD0t1/ZBdX4lRVWLZVylSpdtT

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1

    • Size

      284KB

    • MD5

      523df49ca016ddcba85d75ea51e13cc1

    • SHA1

      360097a175edff477f95ac76e9a9e08b8ad126dd

    • SHA256

      89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1

    • SHA512

      fa3f3af8990d15bb4a4be4b2929e44a6da0680dcd33c1acf332f17990ad3078a9dad3de7cfddfeb0edeb53429b97644264d40a4370bd3f7ccc7a982f8363878b

    • SSDEEP

      3072:bfwmteWVHxy2D086b1/Z3RdCa9w8k9S20ke93/eNN4gVz/nyYKzLZVZYl6ljp5T1:bwmkGVD0t1/ZBdX4lRVWLZVylSpdtT

    • 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