CmdID

CmdID / Files

aspnet_regiis.exe

aspnet_regiis.exe file version info

Program on Windows 4 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 aspnet_regiis.exe?

file version info and known copies
Installed inC:\Windows\Microsoft.NET\Framework64\v4.0.30319\
C:\Windows\Microsoft.NET\Framework\v4.0.30319\
Signed byMicrosoft Windows
ProductMicrosoft .NET Framework, Microsoft Corporation
Descriptionaspnet_regiis.exe

4 known copies

4.8.4161.0 built by: NET48REL1 · C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe · signed by Microsoft Windows

86b52ae9fcf0e8dd7943dbab5ae9ad88b11f15401c499b1cb3338e75e0dce900

4.8.4161.0 built by: NET48REL1 · C:\WINDOWS\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe · signed by Microsoft Windows

d0563c49d9e645ae243465f33304a278d966393c4bdb138a7e9565afe2896124

4.8.4084.0 built by: NET48REL1 · C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe · signed by Microsoft Windows

038f55a19b3eb3b4b5c6433b96f2e0bc1bda40b071820f16ac3b5c74c56e308d

4.8.4084.0 built by: NET48REL1 · C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe · signed by Microsoft Windows

ed99c2402ac2ccc1ca9ebf21f10c12ee27e8d33f1e67bea3cb34da9cd0b4b58c

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 aspnet_regiis.exe
highMicrosoft IIS Connection Strings DecryptionTim Rauch, Elastic (idea)