Title:
Wow6432Node CurrentVersion Autorun Keys Modification
Status:
test
Description:Detects modification of autostart extensibility point (ASEP) in registry.
References:
-https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1547.001/T1547.001.md
-https://learn.microsoft.com/en-us/sysinternals/downloads/autoruns
-https://gist.github.com/GlebSukhodolskiy/0fc5fa5f482903064b448890db1eaf9d
-https://oddvar.moe/2018/03/21/persistence-using-runonceex-hidden-from-autoruns-exe/
Author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split)
Date: 2019-10-25
modified:2025-12-08
Tags:
- -'attack.privilege-escalation'
- -'attack.persistence'
- -'attack.t1547.001'
Logsource:
- category: registry_set
- product: windows
Detection:
selection_wow_current_version_base:
TargetObject|contains:
'\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion'
selection_wow_current_version_keys:
TargetObject|contains:
-'\ShellServiceObjectDelayLoad'
-'\Run\'
-'\RunOnce\'
-'\RunOnceEx\'
-'\RunServices\'
-'\RunServicesOnce\'
-'\Explorer\ShellServiceObjects'
-'\Explorer\ShellIconOverlayIdentifiers'
-'\Explorer\ShellExecuteHooks'
-'\Explorer\SharedTaskScheduler'
-'\Explorer\Browser Helper Objects'
filter_main_empty:
Details:
'(Empty)'
filter_main_null:
Details:
'None'
filter_main_ms_win_desktop_runtime:
Details|startswith:
'"C:\ProgramData\Package Cache\{d21a4f20-968a-4b0c-bf04-a38da5f06e41}\windowsdesktop-runtime-'
filter_main_vcredist:
Image|endswith:
'\VC_redist.x64.exe'
Details|endswith:
'}\VC_redist.x64.exe" /burn.runonce'
filter_main_upgrades:
Image|startswith:
-'C:\ProgramData\Package Cache'
-'C:\Windows\Temp\'
Image|contains:
-'\winsdksetup.exe'
-'\windowsdesktop-runtime-'
-'\AspNetCoreSharedFrameworkBundle-'
Details|endswith:
' /burn.runonce'
filter_main_uninstallers:
Image|startswith:
'C:\Windows\Installer\MSI'
TargetObject|contains:
'\Explorer\Browser Helper Objects'
filter_main_msiexec:
Image:
'C:\WINDOWS\system32\msiexec.exe'
TargetObject|contains:
'\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\'
filter_main_edge:
Image|contains|all:
-'C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{'
-'\setup.exe'
filter_optional_msoffice1:
Image:
'C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe'
TargetObject|contains:
'\Office\ClickToRun\REGISTRY\MACHINE\Software\Wow6432Node\'
filter_optional_msoffice2:
Image:
-'C:\Program Files\Microsoft Office\root\integration\integrator.exe'
-'C:\Program Files (x86)\Microsoft Office\root\integration\integrator.exe'
TargetObject|contains:
'\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}\'
filter_optional_dropbox:
Details|endswith:
'-A251-47B7-93E1-CDD82E34AF8B}'
Details:
'grpconv -o'
- Details|contains|all:
- 'C:\Program Files'
- '\Dropbox\Client\Dropbox.exe'
- ' /systemstartup'
filter_optional_evernote:
TargetObject|endswith:
'\Explorer\Browser Helper Objects\{92EF2EAD-A7CE-4424-B0DB-499CF856608E}\NoExplorer'
filter_optional_dotnet:
Image|contains:
'\windowsdesktop-runtime-'
TargetObject|endswith:
-'\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\{e2d1ae32-dd1d-4ad7-a298-10e42e7840fc}'
-'\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\{7037b699-7382-448c-89a7-4765961d2537}'
Details|startswith:
'"C:\ProgramData\Package Cache\'
Details|endswith:
'.exe" /burn.runonce'
filter_optional_office:
Image|startswith:
-'C:\Program Files\Common Files\Microsoft Shared\ClickToRun\'
-'C:\Program Files\Common Files\Microsoft Shared\ClickToRun\Updates\'
Image|endswith:
'\OfficeClickToRun.exe'
filter_optional_discord:
TargetObject|endswith:
'\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Discord'
Details|endswith:
'Discord.exe --checkInstall'
filter_optional_avira:
Details|endswith:
'\Avira.OE.Setup.Bundle.exe" /burn.runonce'
Image|endswith:
'\Avira.OE.Setup.Bundle.exe'
filter_optional_avg_1:
Image|endswith:
'\instup.exe'
TargetObject|endswith:
'\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\AvRepair'
Details|endswith:
'instup.exe" /instop:repair /wait'
filter_optional_avg_2:
Image|endswith:
'\instup.exe'
TargetObject|endswith:
-'\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers\00avg\(Default)'
-'\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers\00asw\(Default)'
Details:
-'{472083B1-C522-11CF-8763-00608CC02F24}'
-'{472083B0-C522-11CF-8763-00608CC02F24}'
condition:
all of selection_* and not 1 of filter_main_* and not 1 of filter_optional_*
Falsepositives:
-Legitimate software automatically (mostly, during installation) sets up autorun keys for legitimate reason
-Legitimate administrator sets up autorun keys for legitimate reason
Level:
medium
