Malicious Scheduled Task Masquerading as OneDrive Security Task via Command Line

ATT&CK techniques

Execution → Priv Esc

Recon
Resource Dev
Initial Access
Execution
- T1053.005Scheduled Task
Persistence
- T1053.005Scheduled Task
Priv Esc
- T1053.005Scheduled Task
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects creation of a scheduled task named to impersonate a OneDrive Security Task, a masquerade used for persistence in the Nitrogen 2.0 campaign leading to BlackCat ransomware. The benign-looking name hides operator tooling relaunch. Detecting the disguised task name exposes persistence hiding among legitimate cloud sync entries.

Reporting behind it

Related detections9 linkedT1053.005 — drag to rearrange

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Suspicious Per-Minute SYSTEM Scheduled Task With Highest Privileges

Suspicious Scheduled Task Executing Rundll32 DLL Export by Ordinal

Malicious Scheduled Task Masquerading as OneDrive Security Task via Command Line

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.

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