General

  • Target

    2308ed21c12b2b43e8e22d1e595ef5e7.exe

  • Size

    10.4MB

  • Sample

    240101-ypg6fabef9

  • MD5

    2308ed21c12b2b43e8e22d1e595ef5e7

  • SHA1

    613d67ac63f1229c170412e0d39f6dcb46b5ca5b

  • SHA256

    1dd9b91d9204e448403d82f29f1327979781e2b48e37825ba75d9f78e858d95a

  • SHA512

    401ef803ec044fd1078d0893a926d5dcafd80cf54c7260bb79495b564a83aa8211d4dec2d76b6be1182616eab1db0373de826a6c939792e3fda93fe7e60934dc

  • SSDEEP

    24576:slxdvCcpOKCtBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBT:slzOR

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      2308ed21c12b2b43e8e22d1e595ef5e7.exe

    • Size

      10.4MB

    • MD5

      2308ed21c12b2b43e8e22d1e595ef5e7

    • SHA1

      613d67ac63f1229c170412e0d39f6dcb46b5ca5b

    • SHA256

      1dd9b91d9204e448403d82f29f1327979781e2b48e37825ba75d9f78e858d95a

    • SHA512

      401ef803ec044fd1078d0893a926d5dcafd80cf54c7260bb79495b564a83aa8211d4dec2d76b6be1182616eab1db0373de826a6c939792e3fda93fe7e60934dc

    • SSDEEP

      24576:slxdvCcpOKCtBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBT:slzOR

    • Tofsee

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

    • 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