General
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Target
https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqazI3SXc1Wi05dnEwQTFZTXZDZkJjQ29aWjZxQXxBQ3Jtc0ttTE90eGhIVTF6UUJUOUduME1ka3ZkWmIxd1dxalJpVFRRVEFXbUZzS3BLRkplampJM0FKSFAwdUd6SW1sS1JrQ0NuQVJiZFYwdXZ4N0xoNk5wemQxUmFXaVRsRVV0UHdVcFA2MHlmNk5KcWZLd00xaw&q=https%3A%2F%2Fgetcrackapp.net%2FAvastPremiumSecurity&v=XIbiGD_7xSU
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Sample
230404-n9ekyagf3s
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqazI3SXc1Wi05dnEwQTFZTXZDZkJjQ29aWjZxQXxBQ3Jtc0ttTE90eGhIVTF6UUJUOUduME1ka3ZkWmIxd1dxalJpVFRRVEFXbUZzS3BLRkplampJM0FKSFAwdUd6SW1sS1JrQ0NuQVJiZFYwdXZ4N0xoNk5wemQxUmFXaVRsRVV0UHdVcFA2MHlmNk5KcWZLd00xaw&q=https%3A%2F%2Fgetcrackapp.net%2FAvastPremiumSecurity&v=XIbiGD_7xSU
Resource
win10v2004-20230220-en
Malware Config
Extracted
C:\Program Files\Avast Software\Avast\gui_resources\default_av\aswbf3958c91043c863.tmp
Targets
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Target
https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqazI3SXc1Wi05dnEwQTFZTXZDZkJjQ29aWjZxQXxBQ3Jtc0ttTE90eGhIVTF6UUJUOUduME1ka3ZkWmIxd1dxalJpVFRRVEFXbUZzS3BLRkplampJM0FKSFAwdUd6SW1sS1JrQ0NuQVJiZFYwdXZ4N0xoNk5wemQxUmFXaVRsRVV0UHdVcFA2MHlmNk5KcWZLd00xaw&q=https%3A%2F%2Fgetcrackapp.net%2FAvastPremiumSecurity&v=XIbiGD_7xSU
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Drops file in Drivers directory
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Sets service image path in registry
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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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Registers COM server for autorun
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Adds Run key to start application
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Checks for any installed AV software in registry
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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