Analysis
- max time kernel
150s - max time network
157s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
02/08/2026, 21:33
General
- Target Auto Clicker.exe
- Size 32.0MB
- Sample260802-1ejmmascmg
- SHA256 4f94b0323fe0c179e15f786f83da6a4634295f237202d135ead8b33b29106876
Malware Config
Extracted
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neptunerat
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wqdjqdwpn-58784.portmap.host:58784
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filename
USB.exe
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group
MasonGroup
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key
6Ua5OvHfrBf3KNRD
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rat_name
MasonRAT
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 1 IoCs
- Executes dropped EXE 10 IoCs
- Loads dropped DLL 16 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Detects Pyinstaller 1 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.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Auto Clicker.exe"C:\Users\Admin\AppData\Local\Temp\Auto Clicker.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MasonDrop\masn.exe"C:\Users\Admin\AppData\Local\Temp\MasonDrop\masn.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MasonDrop\MasonClient.exe"C:\Users\Admin\AppData\Local\Temp\MasonDrop\MasonClient.exe"3⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\MasonDrop\Bypassed.exe"C:\Users\Admin\AppData\Local\Temp\MasonDrop\Bypassed.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\b79514bc-522a-4f2c-9d17-04aaf9bf15ff.exe"C:\Users\Admin\AppData\Local\Temp\b79514bc-522a-4f2c-9d17-04aaf9bf15ff.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\MasonDrop\Auto Clicker top Verison.exe"C:\Users\Admin\AppData\Local\Temp\MasonDrop\Auto Clicker top Verison.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MasonDrop\Auto Clicker top Verison.exe"C:\Users\Admin\AppData\Local\Temp\MasonDrop\Auto Clicker top Verison.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "ver"4⤵
- Executes a command shell one-liner
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C:\Users\Admin\AppData\Roaming\taskhostw.exeC:\Users\Admin\AppData\Roaming\taskhostw.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\taskhostw.exe"C:\Users\Admin\AppData\Roaming\taskhostw.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "taskhostw" /tr "C:\Users\Admin\AppData\Roaming\taskhostw.exe"2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Roaming\taskhostw.exe"C:\Users\Admin\AppData\Roaming\taskhostw.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\taskhostw.exe"C:\Users\Admin\AppData\Roaming\taskhostw.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Auto Clicker top Verison.exe
Bypassed.exe
MasonClient.exe
masn.exe
_imaging.cp311-win_amd64.pyd
VCRUNTIME140.dll
_asyncio.pyd
_bz2.pyd
_ctypes.pyd
_decimal.pyd
_elementtree.pyd
_hashlib.pyd
_lzma.pyd
_multiprocessing.pyd
_overlapped.pyd
_queue.pyd
_socket.pyd
_ssl.pyd
auto.tcl
cp1252.enc
init.tcl
tclIndex
tm.tcl
tk.tcl
_tkinter.pyd
base_library.zip
blue.json
libcrypto-3.dll
libffi-8.dll
libssl-3.dll
pyexpat.pyd
python3.DLL
python311.dll
select.pyd
tcl86t.dll
msgcat-1.6.1.tm
tk86t.dll
unicodedata.pyd
b79514bc-522a-4f2c-9d17-04aaf9bf15ff.exe
memory/476-56-0x00007FF6405D0000-0x00007FF6405DD000-memory.dmp
memory/3572-34-0x000000026AD90000-0x000000026ADEA000-memory.dmp
memory/3572-1139-0x00007FF685FC0000-0x00007FF685FD7000-memory.dmp
memory/4552-64-0x0000000000F00000-0x0000000000F40000-memory.dmp
memory/4736-31-0x0000000000AB0000-0x0000000000B54000-memory.dmp
memory/4880-1089-0x0000000001510000-0x0000000001522000-memory.dmp
memory/5460-55-0x00007FF6CF4E0000-0x00007FF6CF4EE000-memory.dmp