General

  • Target

    e10ffbe71bdc15144ad89672cebb1bf3

  • Size

    10.6MB

  • Sample

    240327-hteywaaa6x

  • MD5

    e10ffbe71bdc15144ad89672cebb1bf3

  • SHA1

    4e6201d65209e419a4370f0acaa840ec52819dee

  • SHA256

    6639002556711a082dae6122ae5ea47e23b19cfd8364f79882ae09a9d435565d

  • SHA512

    60a60e077c863359b7fd2b5de7cd3977605ab4ab7f50525d277cd7a5e72a9dc69d717537ef6d5814b2cb8d6da26f87e2b5fdfa398cc6bbf7a86b974dac6c9f3d

  • SSDEEP

    49152:Qc67ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff:Qc6

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      e10ffbe71bdc15144ad89672cebb1bf3

    • Size

      10.6MB

    • MD5

      e10ffbe71bdc15144ad89672cebb1bf3

    • SHA1

      4e6201d65209e419a4370f0acaa840ec52819dee

    • SHA256

      6639002556711a082dae6122ae5ea47e23b19cfd8364f79882ae09a9d435565d

    • SHA512

      60a60e077c863359b7fd2b5de7cd3977605ab4ab7f50525d277cd7a5e72a9dc69d717537ef6d5814b2cb8d6da26f87e2b5fdfa398cc6bbf7a86b974dac6c9f3d

    • SSDEEP

      49152:Qc67ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff:Qc6

    • 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