General

  • Target

    2189b460506f57d5684e8d3d4ec0f2d94f9ba1d6e74e8efa6cc056b60cd4be9f

  • Size

    12.2MB

  • Sample

    250116-q4n9astjet

  • MD5

    c944914ddfef1d677fae78bf3e0b7f30

  • SHA1

    8b19c08d3944854e0ef40c61fd2d29631ba50497

  • SHA256

    2189b460506f57d5684e8d3d4ec0f2d94f9ba1d6e74e8efa6cc056b60cd4be9f

  • SHA512

    45e12665d44fb3dcb59d830a425cbf4560eea775ecdcaa8d32b1c92ab94c063adf95f36ea7a1f6bb29d9e2d06a6134d30c9d43c37934e6ef10584efb9020e1ec

  • SSDEEP

    24576:h9PwZJBqV72ZFcZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ:6XF

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Targets

    • Target

      2189b460506f57d5684e8d3d4ec0f2d94f9ba1d6e74e8efa6cc056b60cd4be9f

    • Size

      12.2MB

    • MD5

      c944914ddfef1d677fae78bf3e0b7f30

    • SHA1

      8b19c08d3944854e0ef40c61fd2d29631ba50497

    • SHA256

      2189b460506f57d5684e8d3d4ec0f2d94f9ba1d6e74e8efa6cc056b60cd4be9f

    • SHA512

      45e12665d44fb3dcb59d830a425cbf4560eea775ecdcaa8d32b1c92ab94c063adf95f36ea7a1f6bb29d9e2d06a6134d30c9d43c37934e6ef10584efb9020e1ec

    • SSDEEP

      24576:h9PwZJBqV72ZFcZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ:6XF

    • 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