incremental:ASCII - how to mask?

[pipss]

The output for 4 character mask session is:

Code:

hashcat -m 9500 -a 3 -i officehashhashcat ?a?a?a?a?a?a?a
hashcat (v6.2.6) starting

CUDA API (CUDA 11.6)
====================
* Device #1: Tesla V100-SXM2-16GB, 15854/16160 MB, 80MCU

OpenCL API (OpenCL 3.0 CUDA 11.6.134) - Platform #1 [NVIDIA Corporation]
========================================================================
* Device #2: Tesla V100-SXM2-16GB, skipped

Minimum password length supported by kernel: 0
Maximum password length supported by kernel: 256

Hashes: 1 digests; 1 unique digests, 1 unique salts
Bitmaps: 16 bits, 65536 entries, 0x0000ffff mask, 262144 bytes, 5/13 rotates


Session..........: hashcat
Status...........: Running
Hash.Mode........: 9500 (MS Office 2010)
Hash.Target......: $office$*2010*100000*128*16*71dca6323e2d2b42fe014ed...45b1ca
Time.Started.....: Tue Jan 17 10:43:04 2023 (55 secs)
Time.Estimated...: Tue Jan 17 10:52:24 2023 (8 mins, 25 secs)
Kernel.Feature...: Pure Kernel
Guess.Mask.......: ?a?a?a?a [4]
Guess.Queue......: 4/7 (57.14%)
Speed.#1.........:  145.7 kH/s (11.29ms) @ Accel:8 Loops:512 Thr:512 Vec:1
Recovered........: 0/1 (0.00%) Digests (total), 0/1 (0.00%) Digests (new)
Progress.........: 7864320/81450625 (9.66%)
Rejected.........: 0/7864320 (0.00%)
Restore.Point....: 0/857375 (0.00%)
Restore.Sub.#1...: Salt:0 Amplifier:24-25 Iteration:53248-53760
Candidate.Engine.: Device Generator
Candidates.#1....: vari -> vp8x
Hardware.Mon.#1..: Temp: 57c Util: 99% Core:1530MHz Mem: 877MHz Bus:16

takes already 9 minutes ☹