Excel Protected Workbook Known PW Length

[HelmanFrow]

For shits and giggles I changed the device to -d 3 (Intel GPU)

Code:

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

It's working, but at 88 H/s which is a far cry lower than the JtR performance on CPU.