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.
Sigma rule (View on GitHub)
1title: Uncommon Child Process Of Setres.EXE
2id: 835e75bf-4bfd-47a4-b8a6-b766cac8bcb7
3status: test
4description: |
5 Detects uncommon child process of Setres.EXE.
6 Setres.EXE is a Windows server only process and tool that can be used to set the screen resolution.
7 It can potentially be abused in order to launch any arbitrary file with a name containing the word "choice" from the current execution path.
8references:
9 - https://lolbas-project.github.io/lolbas/Binaries/Setres/
10 - https://twitter.com/0gtweet/status/1583356502340870144
11 - https://strontic.github.io/xcyclopedia/library/setres.exe-0E30E4C09637D7A128A37B59A3BC4D09.html
12 - https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/cc731033(v=ws.11)
13author: '@gott_cyber, Nasreddine Bencherchali (Nextron Systems)'
14date: 2022-12-11
15modified: 2024-06-26
16tags:
17 - attack.defense-evasion
18 - attack.t1218
19 - attack.t1202
20logsource:
21 category: process_creation
22 product: windows
23detection:
24 selection:
25 ParentImage|endswith: '\setres.exe'
26 Image|contains: '\choice'
27 filter_main_legit_location:
28 Image|endswith:
29 - 'C:\Windows\System32\choice.exe'
30 - 'C:\Windows\SysWOW64\choice.exe'
31 condition: selection and not 1 of filter_main_*
32falsepositives:
33 - Unlikely
34level: high
References
-
Sets the resolution and then launches 'choice' command from the working directory. setres.exe -w 800 -h 600 Use caseExecutes arbitrary code Privileges requiredUser Operating systemsWindows Server 2...
Read More -
Related rules
- Potential Arbitrary File Download Via Cmdl32.EXE
- Potential Binary Impersonating Sysinternals Tools
- Renamed ZOHO Dctask64 Execution
- Suspicious Child Process Of BgInfo.EXE
- Suspicious ZipExec Execution