Analysis
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max time kernel
149s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
submitted
12-09-2022 21:02
Static task
static1
Behavioral task
behavioral1
Sample
ton/aerobraking.dll
Resource
win7-20220812-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
ton/aerobraking.dll
Resource
win10v2004-20220901-en
windows10-2004-x64
1 signatures
150 seconds
Behavioral task
behavioral3
Sample
ton/documents.lnk
Resource
win7-20220812-en
windows7-x64
10 signatures
150 seconds
Malware Config
Extracted
Family
bumblebee
Botnet
1209
C2
142.11.211.32:443
146.59.116.49:443
192.236.155.219:443
rc4.plain
Signatures
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Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo rundll32.exe 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 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__ rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__ rundll32.exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
rundll32.exedescription 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.
Processes:
rundll32.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cmd.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation cmd.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.
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Wine rundll32.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
rundll32.exepid Process 4820 rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid Process 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe 4820 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
cmd.exedescription pid Process procid_target PID 2116 wrote to memory of 4820 2116 cmd.exe 83 PID 2116 wrote to memory of 4820 2116 cmd.exe 83
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\ton\documents.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" aerobraking.dat,vcsfile2⤵
- 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 use of NtCreateThreadExHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4820
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