Analysis
- user interaction
yes - max time kernel
148s - max time network
140s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
25/08/2026, 00:08
General
- Target _Unpack Portable.cmd
- Size 1KB
- Sample260825-ae7rcavfld
- SHA256 ad4c98b4ed5ea731581a9cda0c483d7527571c4a2bf3eea18ccc4d80b009c3b5
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 4 IoCs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 2 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. 2 IoCs
Inno Setup installer
- Suspicious behavior: EnumeratesProcesses 62 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\_Unpack Portable.cmd"1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\OCCT 17.0.17.exe"OCCT 17.0.17.exe" /SILENT /PORTABLE=12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-8M92D.tmp\OCCT 17.0.17.tmp"C:\Users\Admin\AppData\Local\Temp\is-8M92D.tmp\OCCT 17.0.17.tmp" /SL5="$C0072,211687484,64512,C:\Users\Admin\AppData\Local\Temp\OCCT 17.0.17.exe" /SILENT /PORTABLE=13⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
OCCT 17.0.17.tmp
ISTask.dll
VclStylesInno.dll
memory/3460-6-0x0000000002560000-0x0000000002561000-memory.dmp
memory/3460-17-0x0000000007BC0000-0x0000000007BD6000-memory.dmp
memory/3460-23-0x0000000007DF0000-0x000000000810A000-memory.dmp
memory/3460-25-0x0000000008260000-0x0000000008261000-memory.dmp
memory/3460-49-0x00000000082E0000-0x00000000082E1000-memory.dmp
memory/3460-52-0x00000000082F0000-0x00000000082F1000-memory.dmp
memory/3460-82-0x0000000008390000-0x0000000008391000-memory.dmp
memory/3460-84-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-83-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-81-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-80-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-78-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-77-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-87-0x0000000007F8E000-0x0000000007F8F000-memory.dmp
memory/3460-75-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-74-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-72-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-71-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-69-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-68-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-66-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-65-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-63-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-62-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-60-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-59-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-57-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-56-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-54-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-79-0x0000000008380000-0x0000000008381000-memory.dmp
memory/3460-53-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-51-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-50-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-48-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-47-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-76-0x0000000008370000-0x0000000008371000-memory.dmp
memory/3460-73-0x0000000008360000-0x0000000008361000-memory.dmp
memory/3460-70-0x0000000008350000-0x0000000008351000-memory.dmp
memory/3460-64-0x0000000008330000-0x0000000008331000-memory.dmp
memory/3460-61-0x0000000008320000-0x0000000008321000-memory.dmp
memory/3460-58-0x0000000008310000-0x0000000008311000-memory.dmp
memory/3460-55-0x0000000008300000-0x0000000008301000-memory.dmp
memory/3460-42-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-41-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-46-0x00000000082D0000-0x00000000082D1000-memory.dmp
memory/3460-45-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-44-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-39-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-67-0x0000000008340000-0x0000000008341000-memory.dmp
memory/3460-38-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-40-0x00000000082B0000-0x00000000082B1000-memory.dmp
memory/3460-35-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-33-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-32-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-30-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-29-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-43-0x00000000082C0000-0x00000000082C1000-memory.dmp
memory/3460-37-0x00000000082A0000-0x00000000082A1000-memory.dmp
memory/3460-36-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-34-0x0000000008290000-0x0000000008291000-memory.dmp
memory/3460-31-0x0000000008280000-0x0000000008281000-memory.dmp
memory/3460-28-0x0000000008270000-0x0000000008271000-memory.dmp
memory/3460-27-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-26-0x0000000008110000-0x0000000008250000-memory.dmp
memory/3460-88-0x0000000007DF0000-0x000000000810A000-memory.dmp
memory/3460-89-0x0000000007DF0000-0x000000000810A000-memory.dmp
memory/3460-90-0x0000000007DF0000-0x000000000810A000-memory.dmp
memory/3460-91-0x0000000007DF0000-0x000000000810A000-memory.dmp
memory/3460-92-0x0000000007DF0000-0x000000000810A000-memory.dmp
memory/3460-93-0x0000000007DF0000-0x000000000810A000-memory.dmp
memory/3460-96-0x0000000007DF0000-0x000000000810A000-memory.dmp
memory/3460-97-0x0000000007DF0000-0x000000000810A000-memory.dmp
memory/3460-113-0x0000000007DF0000-0x000000000810A000-memory.dmp
memory/3460-112-0x0000000002560000-0x0000000002561000-memory.dmp
memory/4552-0-0x0000000000400000-0x0000000000417000-memory.dmp
memory/4552-108-0x0000000000400000-0x0000000000417000-memory.dmp