correct command?

[Snoopy]

yeah it seem hashcat just uses your CPU

you can run hashcat -I to see what kind of devices hashcat can utilize, i think you miss some drivers for your GPU

GPU Driver requirements:

• AMD GPUs on Linux require "RadeonOpenCompute (ROCm)" Software Platform (3.1 or later)
  
• AMD GPUs on Windows require "AMD Radeon Adrenalin 2020 Edition" (20.2.2 or later)
  
• Intel CPUs require "OpenCL Runtime for Intel Core and Intel Xeon Processors" (16.1.1 or later)
  
• NVIDIA GPUs require "NVIDIA Driver" (440.64 or later) and "CUDA Toolkit" (9.0 or later)