Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
03/09/2026, 16:57
General
- Target e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exe
- Size 83KB
- Sample260903-vgdaqscl4t
- SHA256 e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60
Malware Config
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 3 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 4 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exe"C:\Users\Admin\AppData\Local\Temp\e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60" /tr "C:\Users\Admin\AppData\Roaming\e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exe"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exeC:\Users\Admin\AppData\Roaming\e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exeC:\Users\Admin\AppData\Roaming\e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exeC:\Users\Admin\AppData\Roaming\e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exe.log
e4a4c11f2c9a103e51dc1c286679391cecbb0007665ed73ebe7b39fe3b843c60.exe
memory/472-6-0x00000000002E0000-0x00000000002FC000-memory.dmp
memory/4620-0-0x0000000000020000-0x000000000003C000-memory.dmp
memory/4620-1-0x00000000050E0000-0x000000000517C000-memory.dmp
memory/4620-3-0x0000000005080000-0x0000000005090000-memory.dmp
memory/4620-8-0x0000000005080000-0x0000000005090000-memory.dmp