Analysis
- max time kernel
298s - max time network
294s - platform
windows11-21h2_x64 - resource
win11-20260513-it - resource tags
arch:x64arch:x86image:win11-20260513-itlocale:it-itos:windows11-21h2-x64systemwindows - submitted
22/06/2026, 16:41
Behavioral task
behavioral1
Sample
Samsung HARD Downloader/2008.exe
Resource
win11-20260513-it
Behavioral task
behavioral2
Sample
Samsung HARD Downloader/2010.exe
Resource
win11-20260513-it
Behavioral task
behavioral3
Sample
Samsung HARD Downloader/AgentModule.dll
Resource
win11-20260513-it
Behavioral task
behavioral4
Sample
Samsung HARD Downloader/CommonModule.dll
Resource
win11-20260513-it
Behavioral task
behavioral5
Sample
Samsung HARD Downloader/Download_SM-T585_ITV.exe
Resource
win11-20260513-it
General
- Target Samsung HARD Downloader/CommonModule.dll
- Size 1.5MB
- Sample260622-t7kxtset7k
- SHA256 44d33f4dacfc4bac2d56a49194ca4d40bc3e3f72478cd20ed696b1d3f110cc96
- MD5 eda386546817f68607fc7f3361c89eac
- SHA1 221b78ac990d558f0565d6cc8b7d16786d4afa10
- SHA512 b51f0fe242ef0fc300163b6e56364a43f8dd26207c22be4110fa42aa291ba324193b795c548646c98644a8670449a54c37009112c10832f54a4a932713100680
- SSDEEP 24576:xdigP0DDbamB99f7yxucOzg8mhkF/tlDkF5enYkHEPPn2a2IJeARStTzzn4CwcNx:xdizv9f7yxucOzbmOdtlDrkn2fMeak2g
- TLSH T18C7512F43A67DACAC217EB7D1959920B99A4B2C50DAAC315500F8E125D01BB47F3BF38
- MD5 SHA1 SHA512 SSDEEP TLSH
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\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 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-1-5-21-2746394149-3500112804-1243524366-1000\Software\Wine rundll32.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4948 rundll32.exe -
resource yara_rule behavioral4/memory/4948-1-0x0000000075020000-0x0000000075059000-memory.dmp upx behavioral4/memory/4948-5-0x0000000075020000-0x0000000075059000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 4496 4948 WerFault.exe 79 - 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 2 IoCs
pid Process 4948 rundll32.exe 4948 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4788 wrote to memory of 4948 4788 rundll32.exe 79
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Samsung HARD Downloader\CommonModule.dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Samsung HARD Downloader\CommonModule.dll",#12⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4948 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 7723⤵
- Program crash
PID:4496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4948 -ip 49481⤵PID:1748