Please help to identify the following description belonging to which technique in MITRE and the corresponding tactics: DarkGate uses the Delphi methods <code>Sysutils::DiskSize</code> and <code>GlobalMemoryStatusEx</code> to collect disk size and physical memory as part of the malware's anti-analysis checks for running in a virtualized environment. DarkGate will gather various system information such as display adapter description, operating system type and version, processor type, and RAM amount.