Analysis
- max time kernel
149s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20260513-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-4N286.tmp\OCCT 17.0.17.tmp"C:\Users\Admin\AppData\Local\Temp\is-4N286.tmp\OCCT 17.0.17.tmp" /SL5="$80056,211687484,64512,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/4224-50-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-47-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-43-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-77-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-86-0x000000000766E000-0x000000000766F000-memory.dmp
memory/4224-83-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-82-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-81-0x0000000007A70000-0x0000000007A71000-memory.dmp
memory/4224-80-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-79-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-78-0x0000000007A60000-0x0000000007A61000-memory.dmp
memory/4224-76-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-75-0x0000000007A50000-0x0000000007A51000-memory.dmp
memory/4224-74-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-73-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-72-0x0000000007A40000-0x0000000007A41000-memory.dmp
memory/4224-71-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-70-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-69-0x0000000007A30000-0x0000000007A31000-memory.dmp
memory/4224-68-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-67-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-66-0x0000000007A20000-0x0000000007A21000-memory.dmp
memory/4224-65-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-64-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-63-0x0000000007A10000-0x0000000007A11000-memory.dmp
memory/4224-61-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-60-0x0000000007A00000-0x0000000007A01000-memory.dmp
memory/4224-48-0x00000000079C0000-0x00000000079C1000-memory.dmp
memory/4224-58-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-56-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-55-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-54-0x00000000079E0000-0x00000000079E1000-memory.dmp
memory/4224-53-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-52-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-51-0x00000000079D0000-0x00000000079D1000-memory.dmp
memory/4224-10-0x00000000007F0000-0x00000000007F1000-memory.dmp
memory/4224-22-0x00000000074D0000-0x00000000077EA000-memory.dmp
memory/4224-49-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-59-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-46-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-45-0x00000000079B0000-0x00000000079B1000-memory.dmp
memory/4224-44-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-42-0x00000000079A0000-0x00000000079A1000-memory.dmp
memory/4224-41-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-40-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-39-0x0000000007990000-0x0000000007991000-memory.dmp
memory/4224-38-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-37-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-36-0x0000000007980000-0x0000000007981000-memory.dmp
memory/4224-35-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-62-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-57-0x00000000079F0000-0x00000000079F1000-memory.dmp
memory/4224-33-0x0000000007970000-0x0000000007971000-memory.dmp
memory/4224-32-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-31-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-30-0x0000000007960000-0x0000000007961000-memory.dmp
memory/4224-29-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-28-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-27-0x0000000007950000-0x0000000007951000-memory.dmp
memory/4224-26-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-25-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-24-0x0000000007940000-0x0000000007941000-memory.dmp
memory/4224-34-0x00000000077F0000-0x0000000007930000-memory.dmp
memory/4224-16-0x00000000072A0000-0x00000000072B6000-memory.dmp
memory/4224-87-0x00000000074D0000-0x00000000077EA000-memory.dmp
memory/4224-88-0x00000000074D0000-0x00000000077EA000-memory.dmp
memory/4224-89-0x00000000074D0000-0x00000000077EA000-memory.dmp
memory/4224-90-0x00000000074D0000-0x00000000077EA000-memory.dmp
memory/4224-91-0x00000000074D0000-0x00000000077EA000-memory.dmp
memory/4224-92-0x00000000074D0000-0x00000000077EA000-memory.dmp
memory/4224-95-0x00000000007F0000-0x00000000007F1000-memory.dmp
memory/4224-110-0x00000000074D0000-0x00000000077EA000-memory.dmp
memory/4224-111-0x00000000074D0000-0x00000000077EA000-memory.dmp
memory/4304-0-0x0000000000400000-0x0000000000417000-memory.dmp
memory/4304-96-0x0000000000400000-0x0000000000417000-memory.dmp