WitFoo-Artifact ::: fileHash=350570713e0a7e3733f59623f880a442e98979b29a8d59b95555625a38ed1054 ::: clientHostname=JBETRO-LT4 ::: messageType=endpoint_protection_event ::: filePath=\Device\HarddiskVolume3\Windows\explorer.exe ::: program=crowdstrike_falcon ::: streamName=Crowdstrike Detection ::: message={"behaviors":[{"alleged_filetype":"exe","behavior_id":"10381","cmdline":"C:\\Windows\\Explorer.EXE","confidence":80,"control_graph_id":"ctg:6e36ac138a7a426fa5d2e4a45da72961:223339237035","description":"A process attempted to modify files used for Falcon sensor dynamic configuration. This is indicative of an attempt to tamper with Falcon sensor. Investigate the file system operation and process tree.","device_id":"6e36ac138a7a426fa5d2e4a45da72961","display_name":"FileSystemTamperFalconSensorDynamicConfiguration","filename":"explorer.exe","filepath":"\\Device\\HarddiskVolume3\\Windows\\explorer.exe","ioc_description":"","ioc_source":"","ioc_type":"","ioc_value":"","md5":"d264f62721590f14bc54344f48a05912","objective":"Keep Access","parent_details":{"parent_cmdline":"C:\\Windows\\system32\\userinit.exe","parent_md5":"5cdc907c7818fbaa658fc9f2abb238f1","parent_process_graph_id":"pid:6e36ac138a7a426fa5d2e4a45da72961:2281788360679","parent_sha256":"0043369966e39c40b96c941ebe06ba53139dc314785f0d2d5d490def51dfb86c"},"pattern_disposition":32768,"pattern_disposition_details":{"blocking_unsupported_or_disabled":false,"bootup_safeguard_enabled":false,"critical_process_disabled":false,"detect":false,"fs_operation_blocked":true,"handle_operation_downgraded":false,"inddet_mask":false,"indicator":false,"kill_action_failed":false,"kill_parent":false,"kill_process":false,"kill_subprocess":false,"operation_blocked":false,"policy_disabled":false,"process_blocked":false,"quarantine_file":false,"quarantine_mumbrellaine":false,"registry_operation_blocked":false,"rooting":false,"sensor_only":false,"suspend_parent":false,"suspend_process":false},"scenario":"suspicious_activity","severity":70,"sha256":"350570713e0a7e3733f59623f880a442e98979b29a8d59b95555625a38ed1054","tactic":"Defense Evasion","tactic_id":"TA0005","technique":"Disable or Modify Tools","technique_id":"T1562.001","template_instance_id":"2933","timestamp":"2024-07-19T09:06:08Z","triggering_process_graph_id":"pid:6e36ac138a7a426fa5d2e4a45da72961:2281794660807","user_id":"S-1-12-1-1960846385-1299844409-3992341668-2149414984","user_name":"charlie"}],"behaviors_processed":["pid:6e36ac138a7a426fa5d2e4a45da72961:2281794660807:10381"],"cid":"47b7f823f5804dd9862681183ba9999d","created_timestamp":"2024-07-19T09:06:17.051656144Z","date_updated":"2024-07-19T09:06:24Z","detection_id":"ldt:6e36ac138a7a426fa5d2e4a45da72961:223339237035","device":{"agent_load_flags":"0","agent_local_time":"2024-07-17T07:18:20.541Z","agent_version":"7.15.18513.0","bios_manufacturer":"Dell Inc.","bios_version":"1.28.0","cid":"47b7f823f5804dd9862681183ba9999d","config_id_base":"65994763","config_id_build":"18513","config_id_platform":"3","device_id":"6e36ac138a7a426fa5d2e4a45da72961","external_ip":"99.56.191.170","first_seen":"2023-03-13T11:34:15Z","groups":["6297e232e6564507aa02babd05cadd3c"],"hostname":"JBETRO-LT4","last_login_timestamp":"2024-07-19T05:29:58Z","last_login_user":"charlie","last_seen":"2024-07-19T08:47:56Z","local_ip":"55.6.144.14","mac_address":"00-ff-c0-d6-f8-46","major_version":"10","minor_version":"0","modified_timestamp":"2024-07-19T08:48:28Z","os_version":"Windows 10","platform_id":"0","platform_name":"Windows","product_type":"1","product_type_desc":"Workstation","status":"normal","system_manufacturer":"Dell Inc.","system_product_name":"Dell G15 5511"},"email_sent":false,"first_behavior":"2024-07-19T09:06:08Z","hostinfo":{"domain":""},"last_behavior":"2024-07-19T09:06:08Z","max_confidence":80,"max_severity":70,"max_severity_displayname":"High","seconds_to_resolved":0,"seconds_to_triaged":0,"show_in_ui":true,"status":"new"} ::: clientIP=55.6.144.14 ::: clientMAC=00-ff-c0-d6-f8-46 ::: fileName=explorer.exe ::: userName=charlie
This is a syslog message from a product called Falcon by Crowdstrike. The following fields were extracted from the message:
clienthostname: JBETRO-LT4
clientmac: 00-ff-c0-d6-f8-46
filehash: 350570713e0a7e3733f59623f880a442e98979b29a8d59b95555625a38ed1054
filename: explorer.exe
filepath: \Device\HarddiskVolume3\Windows\explorer.exe
messagetype: endpoint_protection_event
productids: [7]
program: crowdstrike_falcon
senderhost: kafka.precinct
sensitivity: normal
sourceinfo: unknown
tags: ['Crowdstrike Detection', 'endpoint_protection_event']
streamName: Crowdstrike Detection
clientIP: 55.6.144.14
userName: charlie