Event ID 4694 — Protection of auditable protected data was attempted.
Description
Protection of auditable protected data was attempted.
Message #
Fields #
| Name | Description |
|---|---|
SubjectUserSid SID | [Subject] Security ID. |
SubjectUserName UnicodeString | [Subject] Account Name. |
SubjectDomainName UnicodeString | [Subject] Account Domain. |
SubjectLogonId HexInt64 | [Subject] Logon ID. |
DataDescription UnicodeString | [Protected Data] Key Identifier. |
MasterKeyId UnicodeString | [Protected Data] Data Description. |
ProtectedDataFlags HexInt32 | [Protected Data] Protected Data Flags. |
CryptoAlgorithms UnicodeString | [Protected Data] Protection Algorithms. |
FailureReason HexInt32 | [Status Information] Status Code. Known values
|
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Security-Auditing",
"guid": "54849625-5478-4994-A5BA-3E3B0328C30D",
"event_source_name": "",
"event_id": 4694,
"version": 0,
"level": 0,
"task": 13314,
"opcode": 0,
"keywords": 9232379236109516800,
"time_created": "2023-11-06T01:44:39.871358+00:00",
"event_record_id": 290370,
"correlation": {
"ActivityID": "E4DB489E-1037-0001-0C49-DBE43710DA01"
},
"execution": {
"process_id": 808,
"thread_id": 844
},
"channel": "Security",
"computer": "WinDev2310Eval",
"security": {
"user_id": ""
}
},
"event_data": {
"SubjectUserSid": "S-1-5-21-1992711665-1655669231-58201500-1000",
"SubjectUserName": "User",
"SubjectDomainName": "WINDEV2310EVAL",
"SubjectLogonId": "0x27844",
"DataDescription": "ecf918da-9b78-4ed5-bd64-9ff40e3484a1",
"MasterKeyId": "Chromium",
"ProtectedDataFlags": "0x10",
"CryptoAlgorithms": "AES-256 , SHA2-512 ",
"FailureReason": "0x0"
},
"message": ""
}
Community Notes #
When seen outside of software installation it may indicate payload staging hidden in DPAPI.
References #
- Microsoft Learn https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4694
- Microsoft Learn Audit Policy https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/audit-dpapi-activity
- Ultimate Windows Security https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventid=4694
- Example event sourced from https://github.com/NextronSystems/evtx-baseline