5376 Security log · Credential Manager high severity low volume

Windows Event ID 5376 — Credential Manager credentials were backed up

Credentials from Credential Manager were backed up (exported).

Why event 5376 matters

Credential Manager backup exports stored credentials to a file — a primary data theft vector. Attackers export credentials for offline cracking or direct use.

How to detect it

Alert on every occurrence. Verify the export was authorized and destination is secure.

Log source
Security
Advanced Audit Policy — enable the 'Credential Manager' subcategory (Success and/or Failure).
Fields to pivot on
SubjectUserNameTargetUserNameLogonTypeIpAddressWorkstationName

MITRE ATT&CK mapping

Tactic Technique
Credential Access Windows Credential Manager (T1555.004)

Detection queries

Starting points — adapt the log source, projected fields and thresholds for your environment.

Sentinel / Defender KQL
SecurityEvent
| where EventID == 5376   // Credential Manager credentials were backed up
| project TimeGenerated, Computer, SubjectUserName, TargetUserName, LogonType, IpAddress, WorkstationName
| sort by TimeGenerated desc
Splunk SPL
index=* sourcetype="WinEventLog:Security" EventCode=5376
| stats count earliest(_time) as first_seen latest(_time) as last_seen by ComputerName
| sort - count   `# Credential Manager credentials were backed up — add EventData fields: SubjectUserName, TargetUserName, LogonType, IpAddress`
Hunt event 5376 in Sentinel/Defender →
Build a KQL query for this event in the KQL Query Builder.
Search all event IDs →
Open the interactive Windows Event ID lookup.

Related Credential Manager events

5377 Credential Manager credentials were restored from a backup 5378 The requested credentials delegation was disallowed by policy 5379 Credential Manager credentials were read 5380 Vault credentials were found 5381 Vault credentials were listed 5382 Vault credentials were read

Frequently asked questions

What is Windows Event ID 5376?

Credential Manager credentials were backed up. Credentials from Credential Manager were backed up (exported).

Which log records event 5376?

Event 5376 is written to the Security channel by Microsoft-Windows-Security-Auditing. Advanced Audit Policy — enable the 'Credential Manager' subcategory (Success and/or Failure).

What MITRE ATT&CK techniques map to event 5376?

Event 5376 is associated with: Windows Credential Manager (T1555.004).

How do you detect activity around event 5376?

Alert on every occurrence. Verify the export was authorized and destination is secure.