Analysis
-
max time kernel
91s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
11/06/2022, 14:20
Static task
static1
Behavioral task
behavioral1
Sample
32ber/32ber.dll
Resource
win7-20220414-en
windows7_x64
Behavioral task
behavioral2
Sample
32ber/32ber.dll
Resource
win10v2004-20220414-en
windows10-2004_x64
Behavioral task
behavioral3
Sample
32ber/qsdqsd.lnk
Resource
win7-20220414-en
windows7_x64
General
-
Target
32ber/qsdqsd.lnk
-
Size
1KB
-
MD5
b45fa425a03c562272d570d2c5f6e421
-
SHA1
68e1fe09e4e772c9e4f8887081a7664da77fca6b
-
SHA256
9cabff084b106f1de0027a3038bd5343ec22d9f1d132808498d290a1260157e7
-
SHA512
15c8907ae8fc9d2e49eec6c8ea55f06216ff0611e201023c018cff5ad15685e8e2d6c4c2b6da4feb99b5e0913cebd8a7c5540f10986374d322945620a5efc21b
Malware Config
Extracted
bumblebee
1904r
199.80.55.44:443
209.141.59.96:443
23.106.160.120:443
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\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 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Wine rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe 4156 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3272 wrote to memory of 4156 3272 cmd.exe 79 PID 3272 wrote to memory of 4156 3272 cmd.exe 79
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\32ber\qsdqsd.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" 32ber.dll,YTBSBbNTWU2⤵
- 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:4156
-