ChromeLoader Malware Execution

01

description

What this is, in brief.

Detects execution of ChromeLoader malware via a registered scheduled task

02

rule source (YAML)

title: ChromeLoader Malware Execution
id: 0a74c5a9-1b71-4475-9af2-7829d320d5c2
status: test
description: Detects execution of ChromeLoader malware via a registered scheduled task
references:
    - https://github.com/xephora/Threat-Remediation-Scripts/tree/main/Threat-Track/CS_INSTALLER
    - https://twitter.com/th3_protoCOL/status/1480621526764322817
    - https://twitter.com/Kostastsale/status/1480716528421011458
    - https://www.virustotal.com/gui/file/ded20df574b843aaa3c8e977c2040e1498ae17c12924a19868df5b12dee6dfdd
author: '@kostastsale'
date: 2022-01-10
tags:
    - attack.privilege-escalation
    - attack.execution
    - attack.persistence
    - attack.t1053.005
    - attack.t1059.001
    - attack.t1176
    - detection.emerging-threats
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\powershell.exe'
        ParentCommandLine|contains: '-ExecutionPolicy Bypass -WindowStyle Hidden -E JAB'
        CommandLine|contains: '--load-extension="*\Appdata\local\chrome"'
        Image|endswith: '\chrome.exe'
    condition: selection
falsepositives:
    - Unlikely
level: high

04

detects techniques (3)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.