Analytics BIOC Informational

Possible binary padding using dd

A suspicious dd command ran and added data to a binary. This may indicate binary padding to change the hash of a file.

Module:
Platform Analytics
Data source:
XDR Agent
ATT&CK tactics: Defense Evasion (TA0005)
ATT&CK techniques: Obfuscated Files or Information: Binary Padding (T1027.001)
Attacker's goals:

An adversary may use binary padding to avoid hash-based blacklists and static antivirus signatures.

Investigative actions:

Check the padded file and try to understand the impact of padding this specific binary.

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