General
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Target
https://sites.google.com/view/drive-cx8JrJ/pdf?hid=68545392
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Sample
250508-jdcz1s1qz2
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://sites.google.com/view/drive-cx8JrJ/pdf?hid=68545392
Resource
win10v2004-20250502-en
Malware Config
Extracted
https://maconsmallbusinesses.com/wp-content/uploads/2018/08
Extracted
koiloader
http://82.118.16.176/punctulum.php
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payload_url
https://maconsmallbusinesses.com/wp-content/uploads/2018/08
Targets
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Target
https://sites.google.com/view/drive-cx8JrJ/pdf?hid=68545392
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Koiloader family
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Koistealer family
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Detects KoiLoader payload
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Detects KoiStealer payload
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Blocklisted process makes network request
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Indicator Removal: Clear Persistence
Clear artifacts associated with previously established persistence like scheduletasks on a host.
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Legitimate hosting services abused for malware hosting/C2
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MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2JavaScript
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1