Emerging Threathightest
ChromeLoader Malware Execution
Detects execution of ChromeLoader malware via a registered scheduled task
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Launch
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic1 selector
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: selectionFalse Positives
Unlikely
False positives are unlikely for most environments. High confidence detection.
MITRE ATT&CK
Techniques
Sub-techniques
Other
detection.emerging-threats
Rule Metadata
Rule ID
0a74c5a9-1b71-4475-9af2-7829d320d5c2
Status
test
Level
high
Type
Emerging Threat
Created
Mon Jan 10
Author
Path
rules-emerging-threats/2022/Malware/ChromeLoader/proc_creation_win_malware_chrome_loader_execution.yml
Raw Tags
attack.privilege-escalationattack.executionattack.persistenceattack.t1053.005attack.t1059.001attack.t1176detection.emerging-threats