Analysis
- user interaction
yes - max time kernel
149s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/08/2026, 18:30
General
- Target Bypassed.exe
- Size 648KB
- Sample260804-w5thasbr6z
- SHA256 9f2d1fcdad36a50b7304f3e8a6a0d3380c5e84bfe6c5cc11773f78a2bc19437e
Malware Config
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 1 IoCs
- Executes dropped EXE 7 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 7 IoCs
- Suspicious use of WriteProcessMemory 2 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
-
C:\Users\Admin\AppData\Local\Temp\Bypassed.exe"C:\Users\Admin\AppData\Local\Temp\Bypassed.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\e23a4149-d554-4f99-b326-eca249e4c355.exe"C:\Users\Admin\AppData\Local\Temp\e23a4149-d554-4f99-b326-eca249e4c355.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Roaming\unsecapp.exeC:\Users\Admin\AppData\Roaming\unsecapp.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "unsecapp" /tr "C:\Users\Admin\AppData\Roaming\unsecapp.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\unsecapp.exe"C:\Users\Admin\AppData\Roaming\unsecapp.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\unsecapp.exe"C:\Users\Admin\AppData\Roaming\unsecapp.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\unsecapp.exe"C:\Users\Admin\AppData\Roaming\unsecapp.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\unsecapp.exe"C:\Users\Admin\AppData\Roaming\unsecapp.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\unsecapp.exe"C:\Users\Admin\AppData\Roaming\unsecapp.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
e23a4149-d554-4f99-b326-eca249e4c355.exe
memory/1232-21-0x0000000002790000-0x00000000027A4000-memory.dmp
memory/1232-40-0x000000001CB30000-0x000000001CC20000-memory.dmp
memory/1232-38-0x000000001CB30000-0x000000001CC20000-memory.dmp
memory/1232-34-0x000000001CB30000-0x000000001CC20000-memory.dmp
memory/1232-30-0x000000001CB30000-0x000000001CC20000-memory.dmp
memory/1232-26-0x000000001CB30000-0x000000001CC20000-memory.dmp
memory/1232-25-0x000000001C5C0000-0x000000001C5ED000-memory.dmp
memory/2484-15-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/2484-18-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/2484-22-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/2484-23-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/2484-14-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/2484-13-0x0000000000030000-0x0000000000072000-memory.dmp
memory/3588-1-0x00007FFD8B02F000-0x00007FFD8B030000-memory.dmp
memory/3588-12-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/3588-4-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/3588-3-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
memory/3588-0-0x0000000000580000-0x0000000000628000-memory.dmp