Emerging Threatcriticaltest

Griffon Malware Attack Pattern

Detects process execution patterns related to Griffon malware as reported by Kaspersky

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Launch
Nasreddine Bencherchali (Nextron Systems)Created Thu Mar 09bcc6f179-11cd-4111-a9a6-0fab68515cf72023
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:
        CommandLine|contains|all:
            - '\local\temp\'
            - '//b /e:jscript'
            - '.txt'
    condition: selection
False Positives
Unlikely

False positives are unlikely for most environments. High confidence detection.

MITRE ATT&CK

Other

detection.emerging-threats
Rule Metadata
Rule ID
bcc6f179-11cd-4111-a9a6-0fab68515cf7
Status
test
Level
critical
Type
Emerging Threat
Created
Thu Mar 09
Path
rules-emerging-threats/2023/Malware/Griffon/proc_creation_win_malware_griffon_patterns.yml
Raw Tags
attack.executiondetection.emerging-threats
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