Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/08/2026, 18:06
General
- Target aaa.exe
- Size 49KB
- Sample260804-wp4y4aeg79
- SHA256 1743eac4a5e0c2a30c0684f3b00d6c85e08f6c53bcb2f9486452958ccac49e25
Malware Config
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 2 IoCs
- Executes dropped EXE 4 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 4 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 5 IoCs
- Suspicious use of WriteProcessMemory 1 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\aaa.exe"C:\Users\Admin\AppData\Local\Temp\aaa.exe"1⤵
- 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 "aaa" /tr "C:\Users\Admin\AppData\Roaming\aaa.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\aaa.exeC:\Users\Admin\AppData\Roaming\aaa.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\aaa.exe"C:\Users\Admin\AppData\Roaming\aaa.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\aaa.exe"C:\Users\Admin\AppData\Roaming\aaa.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\aaa.exe"C:\Users\Admin\AppData\Roaming\aaa.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
aaa.exe
memory/2200-4-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-10-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-3-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-0-0x00007FFCAADAF000-0x00007FFCAADB0000-memory.dmp
memory/2200-5-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-6-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-2-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-7-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-9-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-1-0x0000000000510000-0x0000000000522000-memory.dmp
memory/2200-11-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-12-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-14-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-15-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-16-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp
memory/2200-17-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp