vdi mount

# VBoxManage clonehd xxx_2003.vdi dump -variant Fixed
0%..10%...20%...30%...40%...50%...60%...70%...80%...90%...100%
Clone hard disk created in format 'VDI'. UUID: 1c63f183-3dc4-46d3-9357-a161abe4c007
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

# hexdump -C -v dump | grep -i ntfs
00012e00  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|
^C

# mount -o loop,offset=0x00012e00,umask=000 -o ro dump tmp/

# ls tmp
=> 폴더 내용이 보인다.