General

  • Target

    overwriteb.exe

  • Size

    1.2MB

  • Sample

    240810-wbz3zsvakb

  • MD5

    d0c813596a0e1ca6dd5a7b88067ae330

  • SHA1

    97cb9f8d2face4751204b25df1d4ca57d8d09452

  • SHA256

    9b01b5bc527ef2f1161c094fa4969d3ea6b45b21f268942177be42c7d295ef14

  • SHA512

    53b124fd9601de76b2d903b421fb7e47dccf0d075cdffaa137c3404b80e5d0d57f3b4f0707fe48bd6919510fa9e50f9b2ba5de4465d7729a64305898a1f02f94

  • SSDEEP

    12288:i35E796MTqnYI6SZ7kUXYXVeCHkAVz5CntHsh9Z+DX87Kf+iXhhnCkAclR1hyxV9:j96MTqnYI6SZ7kU0VuMKf7nCkAMe

Malware Config

Targets

    • Target

      overwriteb.exe

    • Size

      1.2MB

    • MD5

      d0c813596a0e1ca6dd5a7b88067ae330

    • SHA1

      97cb9f8d2face4751204b25df1d4ca57d8d09452

    • SHA256

      9b01b5bc527ef2f1161c094fa4969d3ea6b45b21f268942177be42c7d295ef14

    • SHA512

      53b124fd9601de76b2d903b421fb7e47dccf0d075cdffaa137c3404b80e5d0d57f3b4f0707fe48bd6919510fa9e50f9b2ba5de4465d7729a64305898a1f02f94

    • SSDEEP

      12288:i35E796MTqnYI6SZ7kUXYXVeCHkAVz5CntHsh9Z+DX87Kf+iXhhnCkAclR1hyxV9:j96MTqnYI6SZ7kU0VuMKf7nCkAMe

    • Possible privilege escalation attempt

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Modifies file permissions

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v15

Tasks