Malicious WDigest Credential Caching Enabled via Registry (via registry_set)

PremiumReviewedSigma · High · v1
Product
windows
Category
registry_set
Author
HuntRule
Published
2026-09-12
Updated
2026-09-12

ATT&CK techniques

Persistence → Cred Access
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Priv Esc

  6. Defense Evasion

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects the WDigest UseLogonCredential value being set to 1, forcing plaintext credentials back into LSASS memory, as done by Lazarus in Operation Blacksmith. Re-enabling WDigest caching prepares the host for subsequent LSASS memory theft of cleartext passwords.

Related detections9 linkedT1112 — drag to rearrange
Malicious WDigest UseLogonCredential Enabled for Cleartext Credential Theft (via registry_set)
Malicious Restricted Admin Mode Enabled for Pass-the-Hash RDP
Malicious WDigest UseLogonCredential Enabled for Cleartext Credential Caching
Malicious WDigest UseLogonCredential Enablement For Credential Theft
Suspicious Office VBA Object Model Access Enabled via Registry (via registry_set)
Suspicious PowerShell Payload Staging in HKCU Printers Registry Key
Suspicious Rootkit Configuration Registry Keys (via registry_set)
Suspicious Disabling of Chromium App-Bound Encryption via Policy Registry Key (via registry_set)
Malicious LSASS Credential Dump via Rundll32 Comsvcs MiniDump via Process Creation (via process_creation)
Malicious WDigest Credential Caching Enabled via Registry (via registry_set)
Pivot detection · T1112 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.