CmdID

CmdID / Files

PsExec.exe

Execute processes remotely file version info

Program on Windows 1 known copy with hashes 6 Sigma rules name it

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

Is it the real PsExec.exe?

file version info and known copies
Original namepsexec.c in the file’s header: a renamed copy still carries it
Installed inC:\SysinternalsSuite\
Signed byMicrosoft Corporation
ProductSysinternals PsExec, Sysinternals - www.sysinternals.com
DescriptionExecute processes remotely

1 known copy

2.2 · C:\SysinternalsSuite\PsExec.exe · signed by Microsoft Corporation

3337e3875b05e0bfba69ab926532e3f179e8cfbf162ebb60ce58a0281437a7ef

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 PsExec.exe
highPotential Defense Evasion Via Rename Of Highly Relevant BinariesMatthew Green - @mgreen27, Florian Roth (Nextron Systems), frack113
mediumPotential Binary Impersonating Sysinternals Toolsfrack113, Swachchhanda Shrawan Poudel (Nextron Systems)
mediumPsexec Executionomkar72

Sigma names PsExec.exe in 6 rules in all, for every kind of event; these are the process creation rules CmdID evaluates.