DeviceCredential.dll
Microsoft Companion Authenticator Client file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real DeviceCredential.dll?
C:\Windows\system32\C:\Windows\SysWOW64\2 known copies
10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\DeviceCredential.dll · signed by Microsoft Windows
0d8b026f860f1f997381e0f635ac621113ef29d7b0fda04a61086f7dc2fe928b10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\DeviceCredential.dll · signed by Microsoft Windows
f3a0985c822b07236764bb3bdd1d6b8ddd11910942970a1ed5ac52ad39c76accFrom 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 DeviceCredential.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.