Please help to identify the following description belonging to which technique in MITRE and the corresponding tactics: Chimera has gathered the SYSTEM registry and ntds.dit files from target systems. Chimera specifically has used the NtdsAudit tool to dump the password hashes of domain users via <code>msadcs.exe "NTDS.dit" -s "SYSTEM" -p RecordedTV_pdmp.txt --users-csv RecordedTV_users.csv</code> and used ntdsutil to copy the Active Directory database.