rpcnsh.dll
RPC Netshell Helper file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real rpcnsh.dll?
Installed in
C:\Windows\system32\C:\Windows\SysWOW64\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionRPC Netshell Helper
2 known copies
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\rpcnsh.dll · signed by Microsoft Windows
9fddcdf7f28f80f973a339a1ffe7fc128d553153b8e0e8ad048a8536c027e9bc10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\rpcnsh.dll · signed by Microsoft Windows
bff0b93f9071a867d514d6de196e1368f655bcf54d4fc1623ee043cdb1cdbd77From 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 rpcnsh.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.