Analysis
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max time kernel
122s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2022 05:48
Static task
static1
General
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Target
run.bat
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Size
67B
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MD5
ef46329eecc2c91c386b561028302235
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SHA1
50d5ce8dc61801dbd8b6f04c7eeb0b798cca3729
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SHA256
9bcf2e5aa71263a581ab230e9101f21da63fc8a41f49bca7e4712192a71dc2eb
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SHA512
ae8ce210d8008b6f1c04ae7271368e8b716393ac0d50ded0e68429c5a2c51a210412fe7e17f174039475442b4749ad1beb8adce5988d359c09abf7f1b99492d7
Malware Config
Extracted
Family
bumblebee
Botnet
0310
C2
192.119.74.28:443
54.38.138.5:443
45.141.58.37:443
146.70.147.39:443
146.70.149.48:443
103.144.139.158:443
rc4.plain
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\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
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\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 -
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 use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2280 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3140 wrote to memory of 2280 3140 cmd.exe 84 PID 3140 wrote to memory of 2280 3140 cmd.exe 84
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\run.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:3140 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\invoiced.dll,runprog2⤵
- 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:2280
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