General

  • Target

    72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe

  • Size

    14.5MB

  • Sample

    241123-avyhlstjey

  • MD5

    3cea8daf8028e2f9ef0663cdc9a6ca46

  • SHA1

    ad06cbbe801ef56f3dbd4a61ad0f0f43845f4a4c

  • SHA256

    72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35

  • SHA512

    0851fab798606fd14a26d20a2e7f2b9074ed5e5b5e1ef0dd9d6217c4b87ddd197004ae10eba5d0e678dc213cc5edc826b72fb088e01762411b62a1d7b9c839e9

  • SSDEEP

    196608:gOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOz:S

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35.exe

    • Size

      14.5MB

    • MD5

      3cea8daf8028e2f9ef0663cdc9a6ca46

    • SHA1

      ad06cbbe801ef56f3dbd4a61ad0f0f43845f4a4c

    • SHA256

      72f4ceffca45d742bc1d5aaac96c81e9f80abc4c1aa6e1a0b3c810a327d5fe35

    • SHA512

      0851fab798606fd14a26d20a2e7f2b9074ed5e5b5e1ef0dd9d6217c4b87ddd197004ae10eba5d0e678dc213cc5edc826b72fb088e01762411b62a1d7b9c839e9

    • SSDEEP

      196608:gOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOz:S

    • 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