RADCUI.dll
RemoteApp and Desktop Connection UI Component file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real RADCUI.dll?
C:\Windows\system32\C:\Windows\SysWOW64\2 known copies
10.0.19041.423 (WinBuild.160101.0800) · C:\Windows\SysWOW64\RADCUI.dll · signed by Microsoft Windows
1f19532b0574f3b4113f1ac03039f0472325546c4fb341e5b7b4d2a147e4281010.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\RADCUI.dll · signed by Microsoft Windows
65df23e80309246f13c85833a6d6f01d99a853e94d7d8e21dddbbde2049411adFrom 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 RADCUI.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.