General

  • Target

    8bef47b423bc1318ad88f0d239717e26_JaffaCakes118

  • Size

    11.6MB

  • Sample

    241103-rsclssypgm

  • MD5

    8bef47b423bc1318ad88f0d239717e26

  • SHA1

    f6015b826634751b01f561540a034b7e8bccc46d

  • SHA256

    93f3712dbebaafe28d0c52837e64ebdff4faf292f1a6b75abb885cb6e719753f

  • SHA512

    5c885dd3f1228ec73330d516f35dbb352caddf0c0ebe57fc9d21324293f1fc933358940fe38e83fab480a62713c6d11d98f3bb92a82ceb65599e6260b8e919f6

  • SSDEEP

    49152:ipWkhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhN:ipW

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      8bef47b423bc1318ad88f0d239717e26_JaffaCakes118

    • Size

      11.6MB

    • MD5

      8bef47b423bc1318ad88f0d239717e26

    • SHA1

      f6015b826634751b01f561540a034b7e8bccc46d

    • SHA256

      93f3712dbebaafe28d0c52837e64ebdff4faf292f1a6b75abb885cb6e719753f

    • SHA512

      5c885dd3f1228ec73330d516f35dbb352caddf0c0ebe57fc9d21324293f1fc933358940fe38e83fab480a62713c6d11d98f3bb92a82ceb65599e6260b8e919f6

    • SSDEEP

      49152:ipWkhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhN:ipW

    • 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