ndfapi.dll
Network Diagnostic Framework Client API file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real ndfapi.dll?
Installed in
C:\Windows\system32\C:\Windows\SysWOW64\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionNetwork Diagnostic Framework Client API
2 known copies
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\ndfapi.dll · signed by Microsoft Windows
007a87ad8afb2556373e076f0b8c377cbdac0364d1e54eef2dfad0aa0d40d46b10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\ndfapi.dll · signed by Microsoft Windows
63f550d139f28bbc07b4658f1b8cb9f13a8234305c3c8a44d19518ba5484da54From 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 ndfapi.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.