PlaySndSrv.dll
PlaySound Service file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real PlaySndSrv.dll?
Installed in
C:\Windows\system32\C:\Windows\SysWOW64\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionPlaySound Service
2 known copies
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\PlaySndSrv.dll · signed by Microsoft Windows
1c1ba6399f6d2c6d50835848d7bf1b437d443c098a693286c16acc347c08200b10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\PlaySndSrv.dll · signed by Microsoft Windows
b5cb071a374fbde22b6440996815dc6e715882d0d03877990c02502515bdbd72From the file’s version info and the copies recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look. In Ceplin, "<sha256>".whatis() says which known copy a hash is.
What detects it
Sigma names PlaySndSrv.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.