WaitForSingleObjectEx

WaitForSingleObjectEx is used to delay the execution of an object. This function is commonly used to allow time for shellcode being executed within a thread to run. It is also used for time-based evasion.

Kernel32.dll

Injection Evasion

https://docs.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-waitforsingleobjectex