Analysis
- user interaction
yes - max time kernel
10s - max time network
14s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260911-en - resource tags
- submitted
22/09/2026, 16:38
General
- Target MasonRAT.exe
- Size 17.3MB
- Sample260922-t5gsdsaf48
- SHA256 584bd9132b7dfa8e0026d75b4ab8b6ab0e3791badcb812fe7ba3dd6d68da5454
Score
10/10
Malware Config
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 1 IoCs
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes
-
C:\Users\Admin\AppData\Local\Temp\MasonRAT.exe"C:\Users\Admin\AppData\Local\Temp\MasonRAT.exe"1⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 11802⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4964 -ip 49641⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4964-0-0x0000000000850000-0x000000000199C000-memory.dmp
memory/4964-1-0x0000000006A10000-0x0000000006FB6000-memory.dmp
memory/4964-2-0x0000000006380000-0x0000000006412000-memory.dmp
memory/4964-3-0x0000000006500000-0x000000000659C000-memory.dmp
memory/4964-4-0x0000000006350000-0x0000000006360000-memory.dmp