WUDFHost.exe
Windows Driver Foundation - User-mode Driver Framework Host Process file version info
Program on Windows 6 known copies with hashes 2 Sigma rules name it
Is it the real WUDFHost.exe?
C:\Windows\system32\6 known copies
10.0.22000.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\WUDFHost.exe · signed by Microsoft Windows
3b6dcd23432b4c9a74b7905d4713f33c5e1162436b3a8e94ef0347a1a3107c5610.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\WUDFHost.exe · signed by Microsoft Windows
e6f5de8bc3fc572d9a2866024c5af3a83a4d70f4d38810b9e7679a2e9f89775c10.0.18362.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\WUDFHost.exe · signed by Microsoft Windows
8fe1e68d6ea8c270e81ee2ac71fcae54be037875977995d6793629b175d9cb8d10.0.17763.1 (WinBuild.160101.0800) · C:\Windows\system32\WUDFHost.exe · signed by Microsoft Windows
2e9edac8ad372bd9adffe852a18f5fbd25de804c0ca39c2f5b88365cc443c13810.0.14393.0 (rs1_release.160715-1616) · C:\Windows\system32\WUDFHost.exe · signed by Microsoft Windows
305b523064835550ff226f6a3ff2ddcd2b43403e437566b0686b22e6568ba02e6.3.9600.16384 (winblue_rtm.130821-1623) · C:\windows\system32\WUDFHost.exe · not signed
8e5a9e595f24d07206791817972fe475a0d66f3abb9cfddc8fb50203ad449daeFrom 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 WUDFHost.exe in 2 rules in all, for every kind of event; this is the process creation rule CmdID evaluates.