Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
23/07/2026, 16:09
General
- Target 四方接码客户端.exe
- Size 10.0MB
- Sample260723-tl6x6sseqe
- SHA256 931de0dd877ad733d5b3fc825fe81bb0f82030b30600b080a0e06a8237ec12fa
Malware Config
Signatures
- Adds policy Run key to start application 2 TTPs 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 7 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\四方接码客户端.exe"C:\Users\Admin\AppData\Local\Temp\四方接码客户端.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\四方接码客户端.exeC:\Users\Admin\AppData\Local\Temp\四方接码客户端.exe 46053F0559055005760560057705760559054405610568056C056B0559054405750575054105640571056405590557056A05640568056C056B05620559056D05660563056D056F05610571055905340564056A0550056E055A0542056B0553053D05340561055C05300559057F053505730552056A0532054B05--a\k\a`2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\hcfhjdt\1aoUk_GnV81dY5\z0vWo7N.exe"C:\Users\Admin\AppData\Roaming\hcfhjdt\1aoUk_GnV81dY5\z0vWo7N.exe"3⤵
- Adds policy Run key to start application
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\四方接码客户端.exe.exe2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\四方接码客户端.exe.exeC:\Users\Admin\AppData\Local\Temp\四方接码客户端.exe.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
四方接码客户端.exe.exe
GoEngine.dll
NMBdDraw.dll
NMRule.dll
z0vWo7N.exe
z0vWo7N.txt
memory/396-5-0x000001805BC90000-0x000001805BE78000-memory.dmp
memory/396-6-0x000001807A2D0000-0x000001807A7F8000-memory.dmp
memory/3308-30-0x0000000008E60000-0x0000000008EC8000-memory.dmp
memory/3308-32-0x0000000008E60000-0x0000000008EC8000-memory.dmp
memory/3308-31-0x0000000009420000-0x0000000009507000-memory.dmp
memory/3308-28-0x0000000001E70000-0x0000000001F1C000-memory.dmp
memory/3308-34-0x0000000009420000-0x0000000009507000-memory.dmp
memory/3308-38-0x000000000A380000-0x000000000A4F5000-memory.dmp
memory/3308-40-0x000000000A500000-0x000000000A5EB000-memory.dmp
memory/3308-42-0x0000000009F00000-0x000000000A114000-memory.dmp
memory/3308-43-0x00000000093A0000-0x00000000093F2000-memory.dmp