sdiagnhost.exe
Scripted Diagnostics Native Host file version info
Program on Windows 12 known copies with hashes 8 Sigma rules name it
Is it the real sdiagnhost.exe?
C:\Windows\system32\C:\Windows\SysWOW64\12 known copies
10.0.22000.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\sdiagnhost.exe · signed by Microsoft Windows
3c3ceb6e016b1b938912d4f341a2fd7799f7a38b81a68981a77c5a01f75d410910.0.22000.1 (WinBuild.160101.0800) · C:\WINDOWS\SysWOW64\sdiagnhost.exe · signed by Microsoft Windows
efc329587ca237257b39778942357b7185d0ffe970e4ef549e05c097bb9dde2110.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\sdiagnhost.exe · signed by Microsoft Windows
3584436e99bd2d420e9066e3a237ed1be41e964e92fb5e1c88e052e6c834b1da10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\sdiagnhost.exe · signed by Microsoft Windows
761815301a00d0b3a7bb4959a5004b623c55009ce701c6e867c96f468dc1323a10.0.18362.1 (WinBuild.160101.0800) · C:\WINDOWS\SysWOW64\sdiagnhost.exe · signed by Microsoft Windows
54068377f0997d166285efab83c50ab7d17a3f1ed87b750a0f9c91d3dc95a68910.0.18362.1 (WinBuild.160101.0800) · C:\WINDOWS\system32\sdiagnhost.exe · signed by Microsoft Windows
de77562e0bdd86a685d0c930122481f69e6a9ef9f2cb023bca0dcfec05d245e510.0.17763.1 (WinBuild.160101.0800) · C:\Windows\system32\sdiagnhost.exe · signed by Microsoft Windows
50a816fe57195376ad30aeec2ea7968936a706508e26299302f30366cc7ff3a410.0.17763.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\sdiagnhost.exe · signed by Microsoft Windows
b2adf4cb63c8b1b2ff014bd328deac96354c6f834faf0660efd8f7e89f1b239910.0.14393.0 (rs1_release.160715-1616) · C:\Windows\system32\sdiagnhost.exe · signed by Microsoft Windows
6fedaaf41148f8e0803451b44aa5270ae6f96bf6d31cb81b3fe9459d2239e54e10.0.14393.0 (rs1_release.160715-1616) · C:\Windows\SysWOW64\sdiagnhost.exe · signed by Microsoft Windows
943bb9d1ac027133ee5cb1461b3359993eeef0a799dc85f9e4ab9cd57dd8f2816.3.9600.16384 (winblue_rtm.130821-1623) · C:\windows\system32\sdiagnhost.exe · not signed
480aafbf73786afdb295f1db4e2cc26ce962eefb38669c14672590c5e11a3c5a6.3.9600.16384 (winblue_rtm.130821-1623) · C:\windows\SysWOW64\sdiagnhost.exe · not signed
bbf6d9ed2664f6bfcce40348a0cbd73c55ba364cec8649b2bf332e3301ed7a19From 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 sdiagnhost.exe in 8 rules in all, for every kind of event; these are the process creation rules CmdID evaluates.