General

  • Target

    JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24

  • Size

    247KB

  • Sample

    241230-af35js1nfm

  • MD5

    d23ae6b656e69571bec33d1d66040b62

  • SHA1

    7fbbda8293662d9ea6c6ce5e93a3f87e6d309ab4

  • SHA256

    7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24

  • SHA512

    9f8f4ba57ef42855038e670a858ff67d9aea9543199cc8028ee1c17d3a3bda389fe15e0f106342cd3f9657f6201d28ac580a039d74b74da09935353c614cadd9

  • SSDEEP

    6144:/LHu867AvjovMgt2tJdzPUywFsDYjOuzbgwu6QigabwVf:K867vltUJdzcywFqunn5

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24

    • Size

      247KB

    • MD5

      d23ae6b656e69571bec33d1d66040b62

    • SHA1

      7fbbda8293662d9ea6c6ce5e93a3f87e6d309ab4

    • SHA256

      7ce7daef52a1c8726226d122f5f8c9233125559a520122df725a9cc95c92bb24

    • SHA512

      9f8f4ba57ef42855038e670a858ff67d9aea9543199cc8028ee1c17d3a3bda389fe15e0f106342cd3f9657f6201d28ac580a039d74b74da09935353c614cadd9

    • SSDEEP

      6144:/LHu867AvjovMgt2tJdzPUywFsDYjOuzbgwu6QigabwVf:K867vltUJdzcywFqunn5

    • 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