Packer vm password gets changed

Hi Team, I’m trying to build resource via packer builders “type”: “azure-arm”, and what is happening that using ssh_password, the existing user password is getting changed and later am unable to ssh into that machine using. Although ssh_username sets the username but it seems password is generated random or getting changed automatically. So, Is it the expected behavior or I am missing something. Please help or consult. Below is the builder section for reference

“builders”: [
{
“type”: “azure-arm”,
“use_azure_cli_auth”: “True”,
“os_type”: “Linux”,

    "shared_image_gallery": {
      "subscription": "{{user `subscription_id`}}",
      "resource_group": "{{user `sig_gallery_resource_group`}}",
      "gallery_name": "{{user `sig_gallery_name`}}",
      "image_name": "{{user `sig_image_name`}}",
      "image_version": "{{user `sig_source_image_version`}}"
    },

    "shared_image_gallery_destination": {
      "subscription": "{{user `subscription_id`}}",
      "resource_group": "{{user `sig_gallery_resource_group`}}",
      "gallery_name": "{{user `sig_gallery_name`}}",
      "image_name": "{{user `sig_image_name`}}",
      "image_version": "{{user `sig_dest_image_version`}}",
      "replication_regions": ["{{user `location`}}"]
    },

    "temp_resource_group_name": "{{user `temp_resource_group_name`}}",
    "temp_compute_name": "{{user `temp_compute_name`}}",
    "virtual_network_name": "SFP-COMMON-VNet",
    "virtual_network_subnet_name": "SFP-COMMON-subnet",
    "virtual_network_resource_group_name": "SFP-COMMON-resourceGroup",        
    "private_virtual_network_with_public_ip": true,
    "polling_duration_timeout": "0h30m0s",

    "ssh_username": "{{user `ssh_username`}}",
    "ssh_password": "{{user `ssh_password`}}",
    "ssh_pty": "true",

    "location": "{{user `location`}}",
    "vm_size": "{{user `vm_size`}}",
    "managed_image_name": "{{user `managed_image_name`}}",
    "managed_image_resource_group_name": "{{user `sig_gallery_resource_group`}}",

    
    "shared_image_gallery_timeout": "2h5m2s",
            
    "azure_tags": {
      "packer": "true"
    }
  
  }

],