General
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://cdn.discordapp.com/attachments/1267930784262656120/1272122932050657303/BootstrapperV1.16.exe?ex=66bc774d&is=66bb25cd&hm=3f64b6c12684ab0bd1ff09d96554fc65b42757d22fa32627db47e385dd3aca4f&
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
https://cdn.discordapp.com/attachments/1267930784262656120/1272122932050657303/BootstrapperV1.16.exe?ex=66bc774d&is=66bb25cd&hm=3f64b6c12684ab0bd1ff09d96554fc65b42757d22fa32627db47e385dd3aca4f&
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Blocklisted process makes network request
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Suspicious use of NtSetInformationThreadHideFromDebugger
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