General
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://cdn.discordapp.com/attachments/1282174183467384855/1282175372150181898/BootstrapperV1.18_4.exe?ex=676ace1e&is=67697c9e&hm=3ccc40795bb30a7897d308a7232b463b0a8c2c518f4deb5cf58eea72254787b3&
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
https://cdn.discordapp.com/attachments/1282174183467384855/1282175372150181898/BootstrapperV1.18_4.exe?ex=676ace1e&is=67697c9e&hm=3ccc40795bb30a7897d308a7232b463b0a8c2c518f4deb5cf58eea72254787b3&
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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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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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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