Analysis
-
max time kernel
91s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
13/06/2022, 18:33
Static task
static1
Behavioral task
behavioral1
Sample
docum.bat
Resource
win7-20220414-en
windows7_x64
Behavioral task
behavioral2
Sample
docum.bat
Resource
win10v2004-20220414-en
windows10-2004_x64
Behavioral task
behavioral3
Sample
documents.lnk
Resource
win7-20220414-en
windows7_x64
Behavioral task
behavioral4
Sample
documents.lnk
Resource
win10v2004-20220414-en
windows10-2004_x64
Behavioral task
behavioral5
Sample
parelmo2.dll
Resource
win7-20220414-en
windows7_x64
General
-
Target
parelmo2.dll
-
Size
1.2MB
-
MD5
750d8c74c04035cdda0e2e4c8022f0f3
-
SHA1
eefea7491859a56200b9e5d7d676112039778e3c
-
SHA256
f3d6cc38e35b0738ac5968f8c15404bbe17a1cc00cd6af03b99942e3d9174c8e
-
SHA512
9d9e6968c9dfe44ad465b652b6b517b875db8a45490f7e22e1099481e813915f4d921d925ee4d6408dc37423a78c4295e0e3260bfa2aac3ad84edff2edef5586
Malware Config
Extracted
bumblebee
6rr
145.239.30.26:443
194.37.97.135:443
185.62.58.238:443
176.107.177.124:443
192.236.160.254:443
192.236.192.85:443
185.62.56.201:443
103.175.16.59:443
198.98.57.91:443
154.56.0.221:443
64.44.101.250:443
103.175.16.117:443
63.141.248.253:443
192.236.194.136:443
193.239.84.247:443
192.236.161.191:443
185.156.172.123:443
54.38.136.187:443
64.44.102.6:443
192.119.64.21:443
79.110.52.56:443
103.175.16.107:443
146.19.173.224:443
68.233.238.105:443
64.44.135.250:443
103.175.16.121:443
192.236.249.68:443
193.239.84.254:443
37.120.198.248:443
146.19.173.139:443
194.135.33.149:443
154.56.0.241:443
23.254.201.97:443
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\FADT\VBOX__ rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__ rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Wine rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe 2824 rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\parelmo2.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:2824