Analysis
- user interaction
yes - max time kernel
513s - max time network
519s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/08/2026, 07:18
General
- Target To_zdnttjqb_Desk 4.9.7.3.exe
- Size 119.5MB
- Sample260810-h5betstdmd
- SHA256 6c3f42cd3651ebec33e7d5ce87269c8cc6bbe59c72700cd0776ebad01f039cf8
Malware Config
Signatures
- Downloads MZ/PE file 1 IoCs
- Modifies Windows Firewall 2 TTPs 9 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 6 IoCs
- Loads dropped DLL 49 IoCs
- Stops running service(s) 4 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 64 IoCs
- Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Event Triggered Execution: Netsh Helper DLL 1 TTPs 27 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
- Executes a command shell one-liner 1 TTPs 2 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 17 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 data under HKEY_USERS 1 IoCs
- Modifies registry class 11 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 41 IoCs
- Suspicious use of FindShellTrayWindow 5 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of SetWindowsHookEx 10 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\To_zdnttjqb_Desk 4.9.7.3.exe"C:\Users\Admin\AppData\Local\Temp\To_zdnttjqb_Desk 4.9.7.3.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-X41IJ5GMUT.tmp\To_zdnttjqb_Desk 4.9.7.3.tmp"C:\Users\Admin\AppData\Local\Temp\is-X41IJ5GMUT.tmp\To_zdnttjqb_Desk 4.9.7.3.tmp" /SL5="$5021A,124068868,1054720,C:\Users\Admin\AppData\Local\Temp\To_zdnttjqb_Desk 4.9.7.3.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\27def3254554d3d2d63a853cf24e9987.dat\backup.exe"C:\Users\Admin\AppData\Local\Temp\27def3254554d3d2d63a853cf24e9987.dat\backup.exe" -Embedding3⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\27def3254554d3d2d63a853cf24e9987.dat\ToDesk_4.8.8.9.exe"C:\Users\Admin\AppData\Local\Temp\27def3254554d3d2d63a853cf24e9987.dat\ToDesk_4.8.8.9.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.execmd.exe /c sc stop ToDesk_Service4⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\sc.exesc stop ToDesk_Service5⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.execmd.exe /c sc delete ToDesk_Service4⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\sc.exesc delete ToDesk_Service5⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall delete rule name="ToDesk"4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall delete rule name="ToDesk_Service"4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall delete rule name="ToDesk_Session"4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
-
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="ToDesk" dir=in program="C:\Program Files\ToDesk\ToDesk.exe" edge=yes action=allow4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
-
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="ToDesk" dir=out program="C:\Program Files\ToDesk\ToDesk.exe" action=allow4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="ToDesk_Service" dir=in program="C:\Program Files\ToDesk\ToDesk_Service.exe" edge=yes action=allow4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="ToDesk_Service" dir=out program="C:\Program Files\ToDesk\ToDesk_Service.exe" action=allow4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
-
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="ToDesk_Session" dir=in program="C:\Program Files\ToDesk\ToDesk_Session.exe" edge=yes action=allow4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
-
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C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall add rule name="ToDesk_Session" dir=out program="C:\Program Files\ToDesk\ToDesk_Session.exe" action=allow4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
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C:\Program Files\ToDesk\ToDesk.exe"C:\Program Files\ToDesk\ToDesk.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\wscript.exeC:\Windows\system32\wscript.exe C:\ProgramData\interfaceNT\kcrjubsu.vbs1⤵
- Executes a VBScript file via the Windows Script Host.
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C:\Program Files\ToDesk\ToDesk.exe"C:\Program Files\ToDesk\ToDesk.exe" --runservice1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files\ToDesk\ToDesk.exe"C:\Program Files\ToDesk\ToDesk.exe" --show --localPort=356002⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1System Services
1Service Execution
1Persistence
Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
UsbRDstCore.dll
UsbRSrcCore.dll
config.ini
config.ini
config.ini
config.ini
devcon.exe
zulerLog.dll
GameuxInstallHelper.dll
backup.exe
To_zdnttjqb_Desk 4.9.7.3.tmp
BgWorker.dll
SimpleSC.dll
System.dll
killer.dll
nsExec.dll
nsNiuniuSkin.dll
nsSCM.dll
nsis7zU.dll
skin.zip
121ba8144ef2035109d2c17f8de857e9.tmp
memory/3304-129-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-149-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-112-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-111-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-110-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-109-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-108-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-107-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-106-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-105-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-104-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-113-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-114-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-121-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-122-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-120-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-119-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-124-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-125-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-126-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-132-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-131-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-130-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-71-0x00000000009F0000-0x00000000009F6000-memory.dmp
memory/3304-128-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-127-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-133-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-134-0x0000000002870000-0x00000000028B8000-memory.dmp
memory/3304-142-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-145-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-152-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-151-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-150-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-85-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-148-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-146-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-144-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-143-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-140-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-147-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-141-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-135-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-155-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-154-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-161-0x0000000072FE0000-0x0000000073001000-memory.dmp
memory/3304-72-0x0000000010000000-0x000000001002D000-memory.dmp
memory/3304-165-0x0000000004160000-0x0000000004289000-memory.dmp
memory/3304-93-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-82-0x000000006F2F0000-0x000000006F300000-memory.dmp
memory/3304-102-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-103-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-92-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-96-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-95-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3304-94-0x0000000002530000-0x00000000025A4000-memory.dmp
memory/3932-34-0x0000000000EE0000-0x000000000134B000-memory.dmp
memory/3932-5-0x00000000014C0000-0x00000000014C1000-memory.dmp
memory/3992-1-0x00000000006F0000-0x0000000000800000-memory.dmp
memory/3992-36-0x00000000006F0000-0x0000000000800000-memory.dmp
memory/4680-224-0x0000000005160000-0x000000000527C000-memory.dmp
memory/4680-218-0x00000000028C0000-0x00000000029DC000-memory.dmp
memory/4680-205-0x0000000005A50000-0x0000000005B6C000-memory.dmp
memory/4680-349-0x0000000073FD0000-0x000000007408A000-memory.dmp
memory/4680-391-0x0000000073FD0000-0x000000007408A000-memory.dmp
memory/4680-186-0x0000000005950000-0x0000000005A6C000-memory.dmp
memory/4680-162-0x0000000073FD0000-0x000000007408A000-memory.dmp
memory/4680-44-0x0000000073FD0000-0x000000007408A000-memory.dmp