Analysis
-
max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
31/10/2024, 09:59
Static task
static1
Behavioral task
behavioral1
Sample
90c1e475904b9913616ac6489977fb7cc7a397a3b35d9c2767290bfb1fd906cc.dll
Resource
win7-20240903-en
General
-
Target
90c1e475904b9913616ac6489977fb7cc7a397a3b35d9c2767290bfb1fd906cc.dll
-
Size
6.2MB
-
MD5
108f47701acf8bc46e0345681e233466
-
SHA1
11501a74d3b2b7fc253895ca26ec0ee7b34e902c
-
SHA256
90c1e475904b9913616ac6489977fb7cc7a397a3b35d9c2767290bfb1fd906cc
-
SHA512
82daa0c16130fcc6abbb1b03761e8cea9d2a3075f02fbc8bb0ab7e680437fea0443c81ba5a370505f502f384c1583017ec4d36d9a1a2238c73fd41f1d5baef5c
-
SSDEEP
196608:p6B5HrDWYsqodZ6A8nY6hglAYGMWgv10i+TSI/DSzxX1:sB1yYxqan37YG3gvWjI
Malware Config
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine rundll32.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1864 rundll32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1864 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2360 wrote to memory of 1864 2360 rundll32.exe 30 PID 2360 wrote to memory of 1864 2360 rundll32.exe 30 PID 2360 wrote to memory of 1864 2360 rundll32.exe 30 PID 2360 wrote to memory of 1864 2360 rundll32.exe 30 PID 2360 wrote to memory of 1864 2360 rundll32.exe 30 PID 2360 wrote to memory of 1864 2360 rundll32.exe 30 PID 2360 wrote to memory of 1864 2360 rundll32.exe 30
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\90c1e475904b9913616ac6489977fb7cc7a397a3b35d9c2767290bfb1fd906cc.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\90c1e475904b9913616ac6489977fb7cc7a397a3b35d9c2767290bfb1fd906cc.dll,#12⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1864
-