CmdID

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netlogon.dll

Net Logon Services DLL file version info

Library on Windows 2 known copies with hashes 1 Sigma rule names it

Is it the real netlogon.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionNet Logon Services DLL

2 known copies

10.0.19041.450 (WinBuild.160101.0800) · C:\Windows\SysWOW64\netlogon.dll · signed by Microsoft Windows

7a345a69c79c58e8cc0622f61eb8943ceb87fc9bc4d258cea6ef15107c82855b

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\netlogon.dll · signed by Microsoft Windows

781e04607e5d5fa85a97adde90bbec137447b105bc35730093884ccc476fbd90

From 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

Sigma names netlogon.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.