Run only on cmd > run as admin
"C:\Program Files\Oracle\VirtualBox\VBoxManage.exe" createmedium disk --filename physicaldrive0.vmdk --format=VMDK --variant RawDisk --property RawDrive=\\.\PhysicalDrive0
When adding to virtual disk manager on virtual box, make sure to run virtual box directly from the .exe file as administrator
To list Host drives using vboxmanage.exe