Analysis
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max time kernel
139s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26-08-2022 13:31
Static task
static1
Behavioral task
behavioral1
Sample
svchost.dll
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
General
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Target
svchost.dll
-
Size
2.6MB
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MD5
1e561bf546eef5bb80e25ae25720199b
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SHA1
2b182d08aeb6a4740c543e7e4b0c85034e89953c
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SHA256
5bda2ccd3e92981caa7e60e21efa4fb96b6d1f3657361232e4958d900d816d6a
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SHA512
3299b2b5436d2e01736a73a03654d4620bd533cb2695c8b9abe4a60cbd42f0155d8f11cb7d3e636b9c5a5caae993db04070f9f828b50e1c9f137760f1f82d255
-
SSDEEP
49152:/TJbbKekSCr84UEzgNkj+jec62ErgavWUNjEVC82KfVAbP:/TZbKekSCr8FlI+jP67E/UNIVC82qeP
Malware Config
Extracted
Family
bumblebee
Botnet
25html
C2
23.83.134.136:443
138.201.190.52:443
rc4.plain
Signatures
-
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Wine rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe 1156 rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\svchost.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:1156