Emerging Threathightest

Fireball Archer Install

Detects Archer malware invocation via rundll32

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Launch
Florian Roth (Nextron Systems)Created Sat Jun 03Updated Sat Nov 273d4aebe0-6d29-45b2-a8a4-3dfde586a26d2017
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:
            - 'rundll32.exe'
            - 'InstallArcherSvc'
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

MITRE ATT&CK

Sub-techniques

Other

detection.emerging-threats
Rule Metadata
Rule ID
3d4aebe0-6d29-45b2-a8a4-3dfde586a26d
Status
test
Level
high
Type
Emerging Threat
Created
Sat Jun 03
Modified
Sat Nov 27
Path
rules-emerging-threats/2017/Malware/Fireball/proc_creation_win_malware_fireball.yml
Raw Tags
attack.executionattack.defense-evasionattack.t1218.011detection.emerging-threats
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