General

  • Target

    e16a1636178f7578ec3a8c2e01d5673d

  • Size

    13.9MB

  • Sample

    240327-l54cdshh23

  • MD5

    e16a1636178f7578ec3a8c2e01d5673d

  • SHA1

    97b042f50e387a3b0d2ee85d5eb2aae0acfe95d8

  • SHA256

    3c4eaac9677eb1914de497e824c3f384d2dcb6de8f95cfa4df5759e2c7f6549a

  • SHA512

    412ae1c96bcd02af7f8b8badf2fc30b8ac25cb41524d45ccd7902733d0684773cf506cf434ec7fa5037ee8895c360d7157ce3ef3a11dadf3bef94d53a8ea45b7

  • SSDEEP

    12288:Gl5qOcvT9o+egMU+HoWfprc0sssssssssssssssssssssssssssssssssssssssI:ScvT9ofeqrc

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      e16a1636178f7578ec3a8c2e01d5673d

    • Size

      13.9MB

    • MD5

      e16a1636178f7578ec3a8c2e01d5673d

    • SHA1

      97b042f50e387a3b0d2ee85d5eb2aae0acfe95d8

    • SHA256

      3c4eaac9677eb1914de497e824c3f384d2dcb6de8f95cfa4df5759e2c7f6549a

    • SHA512

      412ae1c96bcd02af7f8b8badf2fc30b8ac25cb41524d45ccd7902733d0684773cf506cf434ec7fa5037ee8895c360d7157ce3ef3a11dadf3bef94d53a8ea45b7

    • SSDEEP

      12288:Gl5qOcvT9o+egMU+HoWfprc0sssssssssssssssssssssssssssssssssssssssI:ScvT9ofeqrc

    • 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