That file is not so special. It is simply a hidden file + a hidden datastream. It contains (in usermode) file change logs.But you may need access rights. In that case raw access won't help you....Even if you have the format it is likely to be encrypted on some systems. It is possible to delete the file with fsutils, so I suppose on a standard system it can be read with a TFilestream.
Of course you can change ownership, but not on all system owned files. That requires to take out the disk and mount it on another machine as a second drive. If is indeed encrypted you are normally at a loss.