hashcat sha256 crack with salt windows version

 First identify the hash either with name-the-hash (nth) tool or hashid tool. Then save the hash in a file including the salt. for example: in the hash.txt file the following hash including salt is saved. As per the question, salt is the hashing algorithm.

a60458d2180258d47d7f7bef5236b33e86711ac926518ca4545ebf24cdc0b76c:sha256

You can try either,

D:\Apps\hashcat-6-1.1>hashcat.exe -m 1410 -a 0 -O hash.txt rockyou.txt 

or 

D:\Apps\hashcat-6-1.1>hashcat.exe -m 1420 -a 0 -O hash.txt rockyou.txt

-m sha256 is 1400

-m sha256($pass.$salt) 1410

-m sha256($salt.$pass) 1420