General
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Target
https://gauravbuilders.com/AppInstaller.exe
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Sample
230317-y5966abh31
Score
9/10
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://gauravbuilders.com/AppInstaller.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
25 signatures
1200 seconds
Malware Config
Targets
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Target
https://gauravbuilders.com/AppInstaller.exe
Score9/10-
Enumerates VirtualBox DLL files
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Looks for VirtualBox drivers on disk
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Looks for VirtualBox executables on disk
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Downloads MZ/PE file
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Looks for VMWare drivers on disk
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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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Adds Run key to start application
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Suspicious use of NtSetInformationThreadHideFromDebugger
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