Execution Of File With Multiple Extensions

Description

This search looks for processes launched from files that have double extensions in the file name. This is typically done to obscure the "real" file extension and make it appear as though the file being accessed is a data file, as opposed to executable content.

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Use Case

Security Monitoring

Category

Malware

Alert Volume

This search looks for processes launched from files that have double extensions in the file name. This is typically done to obscure the "real" file extension and make it appear as though the file being accessed is a data file, as opposed to executable content.

SPL Difficulty

None

Journey

Stage 3

MITRE ATT&CK Tactics

Defense Evasion

MITRE ATT&CK Techniques

Masquerading

Rename System Utilities

MITRE Threat Groups

APT32
PLATINUM
Soft Cell
menuPass

Kill Chain Phases

Actions On Objectives

Data Sources

Endpoint Detection and Response

   Help

Execution Of File With Multiple Extensions Help

To successfully implement this search, you must be ingesting data that records process activity from your hosts to populate the endpoint data model in the processes node.

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