CSFalconService.exe
Sources: 300M+ executions observed in the wild.
Summary
CrowdStrike Falcon Sensor Service - main service process for the CrowdStrike Falcon EDR agent. Handles event collection, detection, and response.
CSFalconService.exe is the 435th most commonly executed Windows program in EchoTrail's dataset, observed 15,571 times across enterprise environments. It typically runs from C:\Program Files\CrowdStrike and it is most often launched by CSFalconService.exe.
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Behavior
Top Paths
- C:\Program Files\CrowdStrike100%
Top Hashes (SHA256)
- e60c5338b715fdc69fec9d85c45be0ef20d7fc288390bb3d8ce45c2831f0ffa633.31%
- e75ae4792e34619f9dad8eb9469ee2a22cfbe10f939ca99414ce5eb49367f2fd20.4%
- 26c321354a58a4b90f5688941f17f02712f3f291eac3ba99b44122e67de8b07b19.61%
- 4b080c3317d245b57580f8458a814f227c2ca6299700c0550773595044328ae017.85%
- 0133633ec65d07c1f12a01f6c4271e74849957fa17d0ce0c71e0ce1427a31b2b5.38%
- 99193678cef749b5e190cc440adecbd1712ed14337a017b9d3646ee32aeef83d1.37%
- 3c405f2fa34e124724a4456cf13aac5a8aab1e071805793782917898b3531b871.04%
- 4f403fd5e59bf221b1dc4b331d72a36f02bf18720ea900726a18728015dec7ff0.05%
- 6d9250b23c3a9ca55a3f6876c5039f698eea11245855e7075b9bed0e5741b9b00.05%
- 905f6815c9a633e209e437debccf052a264efeabc0d8eb11f3cf2915904bb5f40.04%
Process Ancestry
Top Grandparents
- wininit.exe100%
Top Parents
- CSFalconService.exe98.79%
- services.exe1.21%
Top Children
- cmd.exe54.42%
- CSFalconService.exe44.61%
Security Analysis
What does CSFalconService.exe normally do?
Core CrowdStrike Falcon EDR agent process. Runs as a service, monitors process execution, network activity, and file system changes.
When is CSFalconService.exe suspicious?
Not running on systems where CrowdStrike is expected (potential tampering). Multiple instances.
Detection guidance
Monitor for unexpected stops of this service which may indicate attacker tampering with EDR.
False positive notes
Normal EDR agent operation.
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