RunDLL32 Spawning Explorer
Detects RunDLL32.exe spawning explorer.exe as child, which is very uncommon, often observes Gamarue spawning the explorer.exe process in an unusual way
Sigma rule (View on GitHub)
1title: RunDLL32 Spawning Explorer
2id: caa06de8-fdef-4c91-826a-7f9e163eef4b
3status: test
4description: Detects RunDLL32.exe spawning explorer.exe as child, which is very uncommon, often observes Gamarue spawning the explorer.exe process in an unusual way
5references:
6 - https://redcanary.com/blog/intelligence-insights-november-2021/
7author: elhoim, CD_ROM_
8date: 2022/04/27
9modified: 2022/05/25
10tags:
11 - attack.defense_evasion
12 - attack.t1218.011
13logsource:
14 category: process_creation
15 product: windows
16detection:
17 selection:
18 ParentImage|endswith: '\rundll32.exe'
19 Image|endswith: '\explorer.exe'
20 filter:
21 ParentCommandLine|contains: '\shell32.dll,Control_RunDLL'
22 condition: selection and not filter
23falsepositives:
24 - Unknown
25level: high
References
-
Compromised NPM package distributes cryptominer, TR delivers SqurrielWaffle, and Gamarue rises up the threat ranks.
Read More
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