Credential Dumping Tools - File Artifacts

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Id	32ffb19e-8ed8-40ed-87a0-1adb4746b7c4
Rulename	Credential Dumping Tools - File Artifacts
Description	This query detects the creation of credential dumping tools files. Several credential dumping tools export files with hardcoded file names. Ref: https://jpcertcc.github.io/ToolAnalysisResultSheet/
Severity	High
Tactics	CredentialAccess
Techniques	T1003.001
Required data connectors	SecurityEvents WindowsSecurityEvents
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Attacker Tools Threat Protection Essentials/Analytic Rules/CredentialDumpingToolsFileArtifacts.yaml
Version	1.0.3
Arm template	32ffb19e-8ed8-40ed-87a0-1adb4746b7c4.json

KQL

// Enter a reference list of malicious file artifacts
let MaliciousFileArtifacts = dynamic (["lsass.dmp","test.pwd","lsremora.dll","lsremora64.dll","fgexec.exe","pwdump","kirbi","wce_ccache","wce_krbtkts","wceaux.dll","PwHashes","SAM.out","SECURITY.out","SYSTEM.out","NTDS.out" "DumpExt.dll","DumpSvc.exe","cachedump64.exe","cachedump.exe","pstgdump.exe","servpw64.exe","servpw.exe","pwdump.exe","fgdump-log"]);
Event
| where EventLog == "Microsoft-Windows-Sysmon/Operational" and EventID==11
| parse EventData with * 'TargetFilename">' TargetFilename "<" *
| where TargetFilename has_any (MaliciousFileArtifacts)
| parse EventData with * 'ProcessGuid">' ProcessGuid "<" * 'Image">' Image "<" *
| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by EventID, Computer, Image, ProcessGuid, TargetFilename
| extend HostName = split(Computer, '.', 0)[0], DnsDomain = strcat_array(array_slice(split(Computer, '.'), 1, -1), '.')

YAML

queryPeriod: 1h
query: |
  // Enter a reference list of malicious file artifacts
  let MaliciousFileArtifacts = dynamic (["lsass.dmp","test.pwd","lsremora.dll","lsremora64.dll","fgexec.exe","pwdump","kirbi","wce_ccache","wce_krbtkts","wceaux.dll","PwHashes","SAM.out","SECURITY.out","SYSTEM.out","NTDS.out" "DumpExt.dll","DumpSvc.exe","cachedump64.exe","cachedump.exe","pstgdump.exe","servpw64.exe","servpw.exe","pwdump.exe","fgdump-log"]);
  Event
  | where EventLog == "Microsoft-Windows-Sysmon/Operational" and EventID==11
  | parse EventData with * 'TargetFilename">' TargetFilename "<" *
  | where TargetFilename has_any (MaliciousFileArtifacts)
  | parse EventData with * 'ProcessGuid">' ProcessGuid "<" * 'Image">' Image "<" *
  | summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by EventID, Computer, Image, ProcessGuid, TargetFilename
  | extend HostName = split(Computer, '.', 0)[0], DnsDomain = strcat_array(array_slice(split(Computer, '.'), 1, -1), '.')  
name: Credential Dumping Tools - File Artifacts
entityMappings:
- fieldMappings:
  - columnName: TargetFilename
    identifier: Name
  entityType: File
- fieldMappings:
  - columnName: HostName
    identifier: HostName
  - columnName: DnsDomain
    identifier: DnsDomain
  entityType: Host
- fieldMappings:
  - columnName: Image
    identifier: CommandLine
  entityType: Process
queryFrequency: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Attacker Tools Threat Protection Essentials/Analytic Rules/CredentialDumpingToolsFileArtifacts.yaml
requiredDataConnectors:
- connectorId: SecurityEvents
  dataTypes:
  - Event
- connectorId: WindowsSecurityEvents
  dataTypes:
  - Event
description: |
  'This query detects the creation of credential dumping tools files. Several credential dumping tools export files with hardcoded file names.
  Ref: https://jpcertcc.github.io/ToolAnalysisResultSheet/'  
kind: Scheduled
version: 1.0.3
status: Available
severity: High
relevantTechniques:
- T1003.001
triggerOperator: gt
triggerThreshold: 0
tactics:
- CredentialAccess
id: 32ffb19e-8ed8-40ed-87a0-1adb4746b7c4

ARM