Analytics BIOC Medium
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Autorun.inf created in root C drive

An autorun file installed at the root of a C:\ drive is suspicious, as autorun files are typically associated with removable drives.

Module:
Platform Analytics
Data source:
XDR Agent
ATT&CK tactics: Persistence (TA0003) Lateral Movement (TA0008)
ATT&CK techniques: Hijack Execution Flow: Services File Permissions Weakness (T1574.010) Replication Through Removable Media (T1091)
Attacker's goals:

The Autorun and AutoPlay components of Microsoft Windows operating systems may use 'Autorun.inf' to automatically execute a program (without user interaction). Adversaries can manipulate this mechanism to run a malicious program.

Investigative actions:

Read the content of the 'Autorun.inf' file from the root directory folder of the drive (the file may be hidden).

Test period:
N/A (single event)
Deduplication:
1 Day