Analysis
- user interaction
yes - max time kernel
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
07/08/2026, 14:19
General
- Target HxDPortableSetup.exe
- Size 3.3MB
- Sample260807-rm9pcaxcnd
- SHA256 7eed3fbb271a7db6d061106a0e20a5a193388f800812266cdbb7526e469820a8
Malware Config
Signatures
- Executes dropped EXE 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
- Modifies registry class 3 IoCs
- Opens file in notepad (likely ransom note) 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\HxDPortableSetup.exe"C:\Users\Admin\AppData\Local\Temp\HxDPortableSetup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-OT3UD.tmp\HxDPortableSetup.tmp"C:\Users\Admin\AppData\Local\Temp\is-OT3UD.tmp\HxDPortableSetup.tmp" /SL5="$60192,2973524,121344,C:\Users\Admin\AppData\Local\Temp\HxDPortableSetup.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Desktop\HxD\HxD64.exe"C:\Users\Admin\Desktop\HxD\HxD64.exe" /chooselang:enu /createdefaultconfig:normal3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Desktop\HxD\HxD64.exeC:\Users\Admin\Desktop\HxD\HxD64.exe /chooselang4⤵
- Executes dropped EXE
-
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\HxD\readme.txt3⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Opens file in notepad (likely ransom note)
-
-
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Users\Admin\Desktop\HxD\HxD64.exe"C:\Users\Admin\Desktop\HxD\HxD64.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
HxDPortableSetup.tmp
HxD64.exe
HxD Hex Editor.ini
HxD Hex Editor.lang
readme.txt
memory/2108-36-0x0000000000400000-0x0000000000AA8000-memory.dmp
memory/2504-51-0x0000000000400000-0x0000000000AA8000-memory.dmp
memory/2776-41-0x0000000000400000-0x0000000000AA8000-memory.dmp
memory/2776-33-0x0000000000413000-0x0000000000414000-memory.dmp
memory/4536-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4536-8-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4536-48-0x0000000000400000-0x0000000000428000-memory.dmp
memory/6108-39-0x0000000000400000-0x000000000052E000-memory.dmp
memory/6108-9-0x0000000000400000-0x000000000052E000-memory.dmp
memory/6108-16-0x0000000000400000-0x000000000052E000-memory.dmp
memory/6108-12-0x0000000000400000-0x000000000052E000-memory.dmp
memory/6108-10-0x0000000002450000-0x0000000002451000-memory.dmp
memory/6108-46-0x0000000000400000-0x000000000052E000-memory.dmp
memory/6108-14-0x0000000000400000-0x000000000052E000-memory.dmp
memory/6108-18-0x0000000000400000-0x000000000052E000-memory.dmp
memory/6108-6-0x0000000002450000-0x0000000002451000-memory.dmp