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Microsoft-Windows-Security-Auditing › Event 5376

Event ID 5376 — Credential Manager credentials were backed up.

Provider
Microsoft-Windows-Security-Auditing
Channel
Security
Audit Policy
Account Management → User Account Management
Collection Priority
Recommended (NSA, others)
Opcode
Info

Description

Credential Manager credentials were backed up.

Message #

Credential Manager credentials were backed up.

Subject:
	Security ID: %1
	Account Name: %2
	Account Domain: %3
	Logon ID: %4

This event occurs when a user backs up their own Credential Manager credentials. A user (even an Administrator) cannot back up the credentials of an account other than his own.

Fields #

NameDescription
SubjectUserSid SID[Subject] Security ID
SubjectUserName UnicodeString[Subject] Account Name
SubjectDomainName UnicodeString[Subject] Account Domain
SubjectLogonId HexInt64[Subject] Logon ID
BackupFileName UnicodeString[Subject] BackupFileName
ProcessCreationTime FILETIME—
ClientProcessId UInt32—

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Security-Auditing",
    "guid": "54849625-5478-4994-A5BA-3E3B0328C30D",
    "event_source_name": "",
    "event_id": 5376,
    "version": 1,
    "level": 0,
    "task": 13824,
    "opcode": 0,
    "keywords": 9232379236109516800,
    "time_created": "2022-09-24T19:57:32.266266+00:00",
    "event_record_id": 150002,
    "correlation": {
      "ActivityID": "B2946CF1-CF76-0001-5C6D-94B276CFD801"
    },
    "execution": {
      "process_id": 804,
      "thread_id": 5832
    },
    "channel": "Security",
    "computer": "GUAPOS-PC",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "SubjectUserSid": "S-1-5-21-3960598978-2723104146-531989891-1001",
    "SubjectUserName": "FOXTWO",
    "SubjectDomainName": "GUAPOS-PC",
    "SubjectLogonId": 894283,
    "BackupFileName": "C:\\Windows\\TEMP\\CRD46C3.tmp",
    "ProcessCreationTime": 1664049447.1706607,
    "ClientProcessId": 5400
  },
  "message": "Credential Manager credentials were backed up.\n\nSubject:\n\tSecurity ID:\t\tS-1-5-21-3960598978-2723104146-531989891-1001\n\tAccount Name:\t\tFOXTWO\n\tAccount Domain:\t\tGUAPOS-PC\n\tLogon ID:\t\t894283\n\tBackupFileName:\t\tC:\\Windows\\TEMP\\CRD46C3.tmp\n\nThis event occurs when a user backs up their own Credential Manager credentials. A user (even an Administrator) cannot back up the credentials of an account other than his own."
}

Community Notes #

Backup of Credential Manager vault, shows a user exporting stored passwords and keys. Often precedes lateral movement or exfiltration.

References #