Analysis
- max time kernel
150s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
29/07/2026, 18:47
General
- Target couponviewer.exe
- Size 768KB
- Sample260729-xe74fazele
- SHA256 500f76e80545386c231d4feef06151c3782eaabb901508fb0f9e04c24be22b62
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
- Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Windows directory 1 IoCs
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 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
- Modifies registry class 34 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\couponviewer.exe"C:\Users\Admin\AppData\Local\Temp\couponviewer.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-JPUJC.tmp\couponviewer.tmp"C:\Users\Admin\AppData\Local\Temp\is-JPUJC.tmp\couponviewer.tmp" /SL5="$6016C,516183,56832,C:\Users\Admin\AppData\Local\Temp\couponviewer.exe"2⤵
- Adds Run key to start application
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe"regsvr32.exe" /s /n /i:user "C:\Users\Admin\AppData\Local\Programs\CouponViewer\Add-On\2017.4.10.3\CVNB.dll"3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
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C:\Users\Admin\AppData\Local\Programs\CouponViewer\Add-On\2017.4.10.3\CVHP.exe"C:\Users\Admin\AppData\Local\Programs\CouponViewer\Add-On\2017.4.10.3\CVHP.exe" /UNINSTALL3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Programs\CouponViewer\Add-On\2017.4.10.3\CVHP.exeC:\Users\Admin\AppData\Local\Programs\CouponViewer\Add-On\2017.4.10.3\CVHP.exe1⤵
- Drops file in Windows directory
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Replay Monitor
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Downloads
CVHP.exe
CVNB.dll
couponviewer.tmp
memory/4624-6-0x0000000002380000-0x0000000002381000-memory.dmp
memory/4624-28-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4624-29-0x0000000002380000-0x0000000002381000-memory.dmp
memory/4624-39-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5764-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5764-27-0x0000000000400000-0x0000000000414000-memory.dmp