mfcore.dll
Media Foundation Core DLL file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real mfcore.dll?
Installed in
C:\Windows\system32\C:\Windows\SysWOW64\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionMedia Foundation Core DLL
2 known copies
10.0.19041.488 (WinBuild.160101.0800) · C:\Windows\SysWOW64\mfcore.dll · signed by Microsoft Windows
5e12077b02b7ff46f836b749d8bd69c551193ef10fcc69ce821ed01f55513d9410.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\mfcore.dll · signed by Microsoft Windows
992a2c2e416ae4f60170f4c7e2c630d962e84d101354d93a4afec9995ef1c837From 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 mfcore.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.