Analysis
-
max time kernel
40s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
15-09-2022 11:28
Static task
static1
Behavioral task
behavioral1
Sample
ad1a90f2f253a9adf45be85682d7b44994ab4e8ceafc1a5805316c39c803ccc8.iso
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ad1a90f2f253a9adf45be85682d7b44994ab4e8ceafc1a5805316c39c803ccc8.iso
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
9n3.dll
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
9n3.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral5
Sample
document.lnk
Resource
win7-20220812-en
General
-
Target
9n3.dll
-
Size
2.5MB
-
MD5
7c3eacc5af118753850b18ed37aec4fd
-
SHA1
15e1cd059e3cb6d6e63bd2c7718844b917f42705
-
SHA256
3ecd8e4cab18d088b8394b6880fb00e6d17d8fe19ba2b0f7f7abd9cb738a3f54
-
SHA512
db731a0a387e8cecc499ef90415ddee213526f4fffe2fc0394855b77b1602f2cfbd0817031a1bc47d8650d84e0268baeb27f3ffdd72a1ab26c52080b664e6a09
-
SSDEEP
49152:EY8+6OwVQpMQ08Fk1BGrXN3fLXZOMU9EeF2gYNpJsv9:Eg6OXp0KC0rXptVeum
Malware Config
Extracted
bumblebee
VPS1
45.147.229.23:443
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\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 -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools 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-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Wine rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9n3.dll,#11⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious behavior: EnumeratesProcesses
PID:2024