Overview
overview
10Static
static
docs.bat
windows7_x64
10docs.bat
windows10_x64
10docs.bat
windows10-2004_x64
10docs.bat
windows11_x64
documents.lnk
windows7_x64
10documents.lnk
windows10_x64
10documents.lnk
windows10-2004_x64
10documents.lnk
windows11_x64
palerma3.dll
windows7_x64
10palerma3.dll
windows10_x64
10palerma3.dll
windows10-2004_x64
10palerma3.dll
windows11_x64
Analysis
-
max time kernel
91s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
10/06/2022, 12:52
Static task
static1
Behavioral task
behavioral1
Sample
docs.bat
Resource
win7-20220414-en
windows7_x64
Behavioral task
behavioral2
Sample
docs.bat
Resource
win10-20220414-en
windows10_x64
Behavioral task
behavioral3
Sample
docs.bat
Resource
win10v2004-20220414-en
windows10-2004_x64
Behavioral task
behavioral4
Sample
docs.bat
Resource
win11-20220223-en
windows11_x64
Behavioral task
behavioral5
Sample
documents.lnk
Resource
win7-20220414-en
windows7_x64
Behavioral task
behavioral6
Sample
documents.lnk
Resource
win10-20220414-en
windows10_x64
Behavioral task
behavioral7
Sample
documents.lnk
Resource
win10v2004-20220414-en
windows10-2004_x64
Behavioral task
behavioral8
Sample
documents.lnk
Resource
win11-20220223-en
windows11_x64
Behavioral task
behavioral9
Sample
palerma3.dll
Resource
win7-20220414-en
windows7_x64
Behavioral task
behavioral10
Sample
palerma3.dll
Resource
win10-20220414-en
windows10_x64
Behavioral task
behavioral11
Sample
palerma3.dll
Resource
win10v2004-20220414-en
windows10-2004_x64
Behavioral task
behavioral12
Sample
palerma3.dll
Resource
win11-20220223-en
windows11_x64
General
-
Target
palerma3.dll
-
Size
1.2MB
-
MD5
87f8ceeaa38c6877b7b44cc6128a6d85
-
SHA1
c31ed647f179c2e2ed72bfd4beee3cab528f0791
-
SHA256
048d68e4e4c8b9f8ed590b6722793b96fa77bbf9b1528f091bea8c4e89800186
-
SHA512
d8444634e2866e81127f0098fe47bd2eaebfb1bdfb1faf71389ee37ccc5f7c9a03ae1a970f37fd922dc54d1cda786d08a6a633d2262e4d97385d62875209ea91
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\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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxService 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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Wine rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe 2896 rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\palerma3.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:2896