General

  • Target

    JaffaCakes118_aee483bf0ab0bbba03e7add1c7b24d70

  • Size

    12.5MB

  • Sample

    250105-tdxdrsymct

  • MD5

    aee483bf0ab0bbba03e7add1c7b24d70

  • SHA1

    15ef01d3f681c7ec8cfb1e55a318723f4f4406f7

  • SHA256

    79231c2cacbfc0da610bb317d280a96d0d10e63a5824d5d052e41e57fb85bd6f

  • SHA512

    4dfe9bb49aec68b29055ab74aaac4efd83e96051072aa9f15bd2a8530376ba58f1b3d7741229a5fd96f81cd92ead9481918b4fe580bcc4baae158269d985d80e

  • SSDEEP

    6144:0ngjLKfnGE+Nj43Gd/50NS0UG4th+d49EOVVVVVVVVVVVVVVVVVVVVVVVVVVVVV7:fiOE+Nj4Q50k0UGIh+dJ

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_aee483bf0ab0bbba03e7add1c7b24d70

    • Size

      12.5MB

    • MD5

      aee483bf0ab0bbba03e7add1c7b24d70

    • SHA1

      15ef01d3f681c7ec8cfb1e55a318723f4f4406f7

    • SHA256

      79231c2cacbfc0da610bb317d280a96d0d10e63a5824d5d052e41e57fb85bd6f

    • SHA512

      4dfe9bb49aec68b29055ab74aaac4efd83e96051072aa9f15bd2a8530376ba58f1b3d7741229a5fd96f81cd92ead9481918b4fe580bcc4baae158269d985d80e

    • SSDEEP

      6144:0ngjLKfnGE+Nj43Gd/50NS0UG4th+d49EOVVVVVVVVVVVVVVVVVVVVVVVVVVVVV7:fiOE+Nj4Q50k0UGIh+dJ

    • 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