Analysis
-
max time kernel
346s -
max time network
438s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 16:57
Static task
static1
Behavioral task
behavioral1
Sample
11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso
Resource
win7-20221111-en
General
-
Target
11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso
-
Size
2.5MB
-
MD5
f4235fde77119ac772a2730d55c49c54
-
SHA1
a250adaf3d5a5c2cd4d5ad4390e4cecbe00b3dd7
-
SHA256
11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355
-
SHA512
c65b5bbba88cd96856766b1c9f3cce0d7ccedeb63164e165a50508cd2147b522994edaf271953ef19a41afdd7b92bae1aa45b1e5f7e18885a1e68d8012a55086
-
SSDEEP
24576:/ndTy8pMlAshQiX5Qtme5hekk+t8cH21dFa8POIuTQO0nvpC2QQLVtIwkvME:VT+69d5hrkgp4OlT90nvpdL7kv
Malware Config
Extracted
bumblebee
1905r
154.56.0.221:443
64.44.101.250:443
103.175.16.117:443
Signatures
-
Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
description ioc Process 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxService rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF 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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Wine rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings cmd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe 4612 rundll32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso1⤵
- Modifies registry class
PID:2632
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3512
-
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" tamirlan.dll,EdHVntqdWt1⤵
- 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:4612