An attacker has compromised a Windows workstation using Metasploit and has injected the Meterpreter payload into the svchost process. After modifying some files to set up a persistent backdoor she decides to change the modified and access times of the files to ensure that the administrator can't see the changes made. Which Meterpreter module would she need to load in order to do this?
1) Priv
2) Stdapi
3) Browser
4) Core