CmdID

CmdID / Files

certmgr.exe

ECM Certificate Manager file version info

Program on Windows 3 known copies with hashes 1 Sigma rule names it

Opens CmdID with your command. It is read in your browser and sent nowhere.

Is it the real certmgr.exe?

file version info and known copies
Installed inC:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\arm64\
C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\x64\
C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\x86\
Signed byMicrosoft Corporation
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionECM Certificate Manager

3 known copies

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\x64\certmgr.exe · signed by Microsoft Corporation

4ce851375f7a0cd135a3148efea34cfdb8a9e584e9d179653a142f3640701edd

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\arm64\certmgr.exe · signed by Microsoft Windows Kits Publisher

800ab3a602177a4de32310c0a1d260d96c610bc69e0ae3ea2192d891f38744f6

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\x86\certmgr.exe · signed by Microsoft Corporation

aeb5c24499fafaeace3c8f93e6936730bc5ab17512e38e4f74164af6868769d2

From 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 process creation rules that name certmgr.exe
mediumNew Root Certificate Installed Via CertMgr.EXEoscd.community, @redcanary, Zach Stanford @svch0st