CmdID

CmdID / Files

authz.dll

Authorization Framework file version info

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

Is it the real authz.dll?

file version info and known copies
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionAuthorization Framework

2 known copies

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\authz.dll · signed by Microsoft Windows

3b9d3c6f5174f604fb2f16b6bd82f70c5b476fd98f72b717b5ca563d0c7a7ba3

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

4e4ef8c31583ece0a3b8ed92ff5cc9d04d6ceaf90fa00cdb8adee3808a835bdb

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