Detectionhightest
Uncommon Child Process Of Setres.EXE
Detects uncommon child process of Setres.EXE. Setres.EXE is a Windows server only process and tool that can be used to set the screen resolution. It can potentially be abused in order to launch any arbitrary file with a name containing the word "choice" from the current execution path.
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Launch
@gott_cyber, Nasreddine Bencherchali (Nextron Systems)Created Sun Dec 11Updated Wed Jun 26835e75bf-4bfd-47a4-b8a6-b766cac8bcb7windows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
detection:
selection:
ParentImage|endswith: '\setres.exe'
Image|contains: '\choice'
filter_main_legit_location:
Image|endswith:
- 'C:\Windows\System32\choice.exe'
- 'C:\Windows\SysWOW64\choice.exe'
condition: selection and not 1 of filter_main_*False Positives
Unlikely
False positives are unlikely for most environments. High confidence detection.
MITRE ATT&CK
Rule Metadata
Rule ID
835e75bf-4bfd-47a4-b8a6-b766cac8bcb7
Status
test
Level
high
Type
Detection
Created
Sun Dec 11
Modified
Wed Jun 26
Path
rules/windows/process_creation/proc_creation_win_setres_uncommon_child_process.yml
Raw Tags
attack.defense-evasionattack.t1218attack.t1202