Analysis
-
max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
submitted
15-11-2024 15:49
Static task
static1
Behavioral task
behavioral1
Sample
c65c51ed60f91a92789c4b056821ef51252baa2a1679a6513ab008acf0464ccb.dll
Resource
win7-20240903-en
General
-
Target
c65c51ed60f91a92789c4b056821ef51252baa2a1679a6513ab008acf0464ccb.dll
-
Size
3.7MB
-
MD5
8e7115ea580f39c152e4d4bc4472c402
-
SHA1
4ea1f1d8a01f251fa5db350f72b04a1d11028fb0
-
SHA256
c65c51ed60f91a92789c4b056821ef51252baa2a1679a6513ab008acf0464ccb
-
SHA512
bde81a4da80dda9e06815b153caa2dcaea874bfd973c9d24b1e935e0c88a0d094dcce0b153d9866a87b2b06bc636a30b23d3fe27e345b4a2ee174b52acc44619
-
SSDEEP
98304:XZo5q0spyUTJkqVnIY0z7ceiVNhPvpx3:XZwqlp51krrz4vp
Malware Config
Extracted
bumblebee
2104a
282.19.133.12:443
91.122.18.192:443
185.156.172.62:443
72.123.65.11:443
149.255.35.167:443
172.241.27.146:443
Signatures
-
Bumblebee family
-
Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
description ioc Process 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse 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 -
Blocklisted process makes network request 5 IoCs
flow pid Process 14 2300 rundll32.exe 20 2300 rundll32.exe 34 2300 rundll32.exe 38 2300 rundll32.exe 41 2300 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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Wine rundll32.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe 2300 rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c65c51ed60f91a92789c4b056821ef51252baa2a1679a6513ab008acf0464ccb.dll,#11⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Blocklisted process makes network request
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks for VirtualBox DLLs, possible anti-VM trick
- Suspicious behavior: EnumeratesProcesses
PID:2300