General

  • Target

    f2500e9a3134b4790760b2ef60c0144b_JaffaCakes118

  • Size

    10.6MB

  • Sample

    240416-a77xtaeh2w

  • MD5

    f2500e9a3134b4790760b2ef60c0144b

  • SHA1

    1c3f9aaa8988227ebad2686e977533d53e51b162

  • SHA256

    064748a64b3e6198f3f9b3821f8aa4b74ee9d687503a1e9ded2926308a86517f

  • SHA512

    ba69ce0db33d4691641f7dbdc4ae3b2a582e1a47d12d606b0ba1761bf5d442f3e772aeb7327c6ea6293144c3ccb923d86e578db6e3a96f8537584d342576173a

  • SSDEEP

    24576:AerU5sWbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb7:AsW

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f2500e9a3134b4790760b2ef60c0144b_JaffaCakes118

    • Size

      10.6MB

    • MD5

      f2500e9a3134b4790760b2ef60c0144b

    • SHA1

      1c3f9aaa8988227ebad2686e977533d53e51b162

    • SHA256

      064748a64b3e6198f3f9b3821f8aa4b74ee9d687503a1e9ded2926308a86517f

    • SHA512

      ba69ce0db33d4691641f7dbdc4ae3b2a582e1a47d12d606b0ba1761bf5d442f3e772aeb7327c6ea6293144c3ccb923d86e578db6e3a96f8537584d342576173a

    • SSDEEP

      24576:AerU5sWbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb7:AsW

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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