SMB
Nmap discovered a Windows Directory service on the target port 445
Anonymous Login
┌──(kali㉿kali)-[~/archive/htb/labs/bankrobber]
└─$ smbclient -L //$IP/
Password for [WORKGROUP\kali]:
session setup failed: NT_STATUS_ACCESS_DENIED
It would appear that anonymous login is not allowed to the target SMB server
Nothing to do without a valid credential.