winsta.dll
Winstation Library file version info
Library on Windows 2 known copies with hashes 2 Sigma rules name it
Is it the real winsta.dll?
Installed in
C:\Windows\system32\C:\Windows\SysWOW64\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionWinstation Library
2 known copies
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\winsta.dll · signed by Microsoft Windows
5efabd8c26c36a489a32d465a5ab860585b7a356ed97b7c108cb59e5f484010310.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\winsta.dll · signed by Microsoft Windows
d4aed3eb2240a8b35f498d4db10ba920ac8a35a8733af456be62d3e9f7844c2aFrom 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 winsta.dll in 2 rules, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.