dot3api.dll
802.3 Autoconfiguration API file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real dot3api.dll?
Installed in
C:\Windows\system32\C:\Windows\SysWOW64\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
Description802.3 Autoconfiguration API
2 known copies
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\dot3api.dll · signed by Microsoft Windows
1570175ce145a279aecb766f76630de0570257f175dbef564a9890469e2fe39410.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\dot3api.dll · signed by Microsoft Windows
5dd6b0863546ce7cfa2280cdca2fcbb84b678e6bcdea8755a54d0b56ea43ad51From 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 dot3api.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.