Analysis
- user interaction
yes - max time kernel
14s - platform
windows11-21h2_x64 - resource
win11-20260911-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 6100 -s 11162⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 6100 -ip 61001⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/6100-0-0x0000000000200000-0x000000000134C000-memory.dmp
memory/6100-1-0x0000000006470000-0x0000000006A16000-memory.dmp
memory/6100-3-0x0000000005F60000-0x0000000005FFC000-memory.dmp
memory/6100-2-0x0000000005DF0000-0x0000000005E82000-memory.dmp
memory/6100-4-0x00000000060F0000-0x0000000006100000-memory.dmp