propsys.dll
Microsoft Property System file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real propsys.dll?
Installed in
C:\Windows\system32\C:\Windows\SysWOW64\Signed byMicrosoft Windows
ProductWindows Search, Microsoft Corporation
DescriptionMicrosoft Property System
2 known copies
7.0.19041.488 (WinBuild.160101.0800) · C:\Windows\SysWOW64\propsys.dll · signed by Microsoft Windows
098e0227bbd45a0d0640bcaa0390ab9287f4c773590bfcfbb3a82b3a924f09a47.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\propsys.dll · signed by Microsoft Windows
fa639e50111fa970bec63ce31f3bcceda7e4a196eea389cdd0363b164a132f46From 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 propsys.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.