QBot scheduled task REGSVR32 with C$ image path

PremiumReviewedSigma · High · v1
Product
windows
Service
system
Author
HuntRule
Published
2026-05-26
Updated
2026-08-28

ATT&CK techniques

Execution → Priv Esc
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Defense Evasion

  5. Cred Access

  6. Discovery

  7. Lateral Movement

  8. Collection

  9. C2

  10. Exfiltration

  11. Impact

What it detects

Detects the creation of Scheduled Task with REGSVR32 (regsvr32.exe) and C$ in the image path field

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Malicious Scheduled Task Running rundll32 w32analytics (via process_creation)
Malicious Scheduled rundll32 Execution of ProgramData VMware DLL by BianLian
QBot scheduled task REGSVR32 with C$ image path
Pivot detection · T1053.005 · 9 related

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