stordiag.exe

File Path: C:\Windows\system32\stordiag.exe
Description:

Hashes

Type	Hash
MD5	`09595FAB75F9764D8BB8D77A02602E9B`
SHA1	`2035188F2858DEC97D9B9CA8587FB2C109425C2F`
SHA256	`75CBE3CC080A0C681E925E8A7FA20577524E04E0D7E713DD0E73355ED02AF960`
SHA384	`98F90AFFCF3D4A6FC77AAA8CCBADCCB39DD5A3F13437664F2DD5705255FDB2E41D928067C7AB56E7F49382F38D232C25`
SHA512	`2D780DA4B52038526737AEC828417E26A77184938F2C3D9EF08160CED4F381E591E5443449CB8DBB1EEF1D5050E86C23FE8728DF162D9CC6D39F21559D3FE34B`
SSDEEP	`384:En4/E+AWVUClB0a9ETJnbMYI1UzscQN0UNUQAzmynEYfP0Kqhihnhacd4SZqxJ4/:En6rUClB19ilbTYcQlxKhs0N+E`

Runtime Data

Usage (stdout):

Collects storage and filesystem diagnostic logs and outputs them to a folder.

StorDiag [-collectEtw] [-out <PATH>]
-collectEtw           Collect a 30-second long ETW trace if run from an elevated session
-checkFSConsistency   Checks for the consistency of the NTFS file system
-out <PATH>           Specify the output path. If not specified, logs are saved to %TEMP%\StorDiag

Child Processes:

conhost.exe systeminfo.exe

Signature

Status: Signature verified.
Serial: 33000000BCE120FDD27CC8EE930000000000BC
Thumbprint: E85459B23C232DB3CB94C7A56D47678F58E8E51E
Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

Original Filename: stordiag.exe
Product Name: Microsoft (R) Windows (R) Operating System
Company Name: Microsoft Corporation
File Version: 10.0.14393.0
Product Version: 10.0.14393.0
Language: Language Neutral

Possible Misuse

The following table contains possible examples of stordiag.exe being misused. While stordiag.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source	Source File	Example	License
sigma	proc_creation_win_stordiag_execution.yml	`title: Execution via stordiag.exe`	DRL 1.0
sigma	proc_creation_win_stordiag_execution.yml	`description: Detects the use of stordiag.exe to execute schtasks.exe systeminfo.exe and fltmc.exe`	DRL 1.0
sigma	proc_creation_win_stordiag_execution.yml	`- https://strontic.github.io/xcyclopedia/library/stordiag.exe-1F08FC87C373673944F6A7E8B18CD845.html`	DRL 1.0
sigma	proc_creation_win_stordiag_execution.yml	`ParentImage\\|endswith: '\stordiag.exe'`	DRL 1.0
sigma	proc_creation_win_stordiag_execution.yml	`ParentImage\\|startswith: # as first is "Copy c:\windows\system32\stordiag.exe to a folder"`	DRL 1.0
sigma	proc_creation_win_stordiag_execution.yml	`- Legitimate usage of stordiag.exe.`	DRL 1.0
LOLBAS	Stordiag.yml	`Name: Stordiag.exe`
LOLBAS	Stordiag.yml	`- Command: stordiag.exe`
LOLBAS	Stordiag.yml	`Description: Once executed, Stordiag.exe will execute schtasks.exe systeminfo.exe and fltmc.exe - if stordiag.exe is copied to a folder and an arbitrary executable is renamed to one of these names, stordiag.exe will execute it.`
LOLBAS	Stordiag.yml	`- Path: c:\windows\system32\stordiag.exe`
LOLBAS	Stordiag.yml	`- Path: c:\windows\syswow64\stordiag.exe`