Excel Protected Workbook Known PW Length

[HelmanFrow]

I tried this:

Code:

./hashcat.exe -d 2 -m9600 -a 3 --username -1 ?l?u hash.txt ?1?1?1?1

And now it appears to have hung again at Initializing backend runtime...

Yeah, it's been 25 minutes. Let's call it hung.