Analysis
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max time kernel
82s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
12-10-2022 07:29
Static task
static1
Behavioral task
behavioral1
Sample
bumblebee_win-dll_78beecc828a622f7cde900a68e5653438b60f9bdaf5d733996c499241c6d7130.dll
Resource
win7-20220901-en
windows7-x64
General
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Target
bumblebee_win-dll_78beecc828a622f7cde900a68e5653438b60f9bdaf5d733996c499241c6d7130.dll
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Size
2.6MB
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MD5
2719b9bc4e8a2f3f033b9ebf75ba05cb
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SHA1
9bfdeae0f5dd641c5d9b945dc91e64321f21587b
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SHA256
78beecc828a622f7cde900a68e5653438b60f9bdaf5d733996c499241c6d7130
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SHA512
e137ed1116e571df3c3beaaf451f026e3d2b7669dd59f1ac2d15c3d6c2669404b6ab2651ce374704f29120ccddba040cce1067ae2ec350b907426b184885f871
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SSDEEP
49152:7J6uk7ObJRXJ/tcgZOrclKg3uAqI6nwopOwmJQai7SfsEP5YnWPAIO/aGqvxK+nt:7J6uGObJRXJ/ygZOrclKYuAqInRJQaiS
Malware Config
Extracted
bumblebee
2504r
104.168.236.99:443
23.82.141.184:443
172.241.29.169:443
Signatures
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Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxService rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo rundll32.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__ rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__ rundll32.exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions rundll32.exe -
Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate rundll32.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Wine rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe 4396 rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bumblebee_win-dll_78beecc828a622f7cde900a68e5653438b60f9bdaf5d733996c499241c6d7130.dll,#11⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious behavior: EnumeratesProcesses
PID:4396