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BazaCall is a campaign that manipulate users into calling a customer support center, where they are instructed to download an Excel file to unsubscribe from a phony service. When the user opens the Excel file, they are prompted to enable a malicious macro that infects their device with BazaLoader. This query hunts for an attacker-created copy of certutil.exe, a legitimate process, which the macro uses to download BazaLoader.
| Attribute | Value |
|---|---|
| Type | Hunting Query |
| Solution | GitHub Only |
| ID | f5ff5b00-a90e-40b8-b241-9427a8ec5189 |
| Tactics | Initial access, Defense evasion |
| Required Connectors | MicrosoftThreatProtection |
| Source | [View on GitHub](https://github.com/Azure/Azure-Sentinel/blob/master/Hunting Queries/Microsoft%20365%20Defender/Campaigns/Bazacall/Dropping%20payload%20via%20certutil.yaml) |
Browse: 🏠 · Solutions · Connectors · Methods · Tables · Content · Parsers · ASIM Parsers · ASIM Products · Logic Apps · 📊