Analysis
- max time kernel
298s - max time network
170s - 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/AgentModule.dll
- Size 2.0MB
- Sample260622-t7kxtset7k
- SHA256 d46f87b767dc82bf9a180bb2a981058909ff65cf0de6edfbc917cbac0f719f67
- MD5 73cfc7a409101d5635e8042bcdf5c6c7
- SHA1 cf5cc36776c8ec4582bd356b6833aa0905430a92
- SHA512 4e823b31f81aa3f6ad22b26ec55389764867b6e66daa73d17c4d5f501d6a817be520edd49e7dc7c1cee43caf7eb533c456ebfef021c528edaeb9a099325fe12c
- SSDEEP 49152:kylT3MFWj4LouEfF7Mgi4kpCzrLmq064lTRQCyqjc:thcFetTfF7Mt9CzrLmq0DltQLqI
- TLSH T19BA533C066E20167D583DDB7F6D2CA8A4EABA39D6F9EDC39440C42C24446D419E09F3F
- 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-1-5-21-1679180529-4058988202-686829476-1000\Software\Wine rundll32.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1816 rundll32.exe 1816 rundll32.exe -
resource yara_rule behavioral3/memory/1816-1-0x0000000074BA0000-0x0000000074BD9000-memory.dmp upx - 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 4 IoCs
pid Process 1816 rundll32.exe 1816 rundll32.exe 1816 rundll32.exe 1816 rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1848 wrote to memory of 1816 1848 rundll32.exe 80
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Samsung HARD Downloader\AgentModule.dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Samsung HARD Downloader\AgentModule.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:1816
-