Analysis
- user interaction
yes - max time kernel
117s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
24/10/2026, 01:27
Errors
General
- Target مشفره.exe
- Size 48KB
- Sample261024-bt3xdaez8x
- SHA256 8094190d117e08e6e4985539d0e59fd551c6b42380db5fb8c47aed1b47e9945a
Malware Config
Extracted
-
neptunerat
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adawdwadwwadwaodkwaida-44171.portmap.host:44171
-
filename
USB.exe
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group
MasonGroup
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key
DFHReqrOGETUqiDE
-
rat_name
MasonRAT
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 1 IoCs
- Disables Task Manager via registry modification
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 7 IoCs
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Drops file in System32 directory 2 IoCs
- Enumerates video capture drivers 2 TTPs 1 IoCs
Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\مشفره.exe"C:\Users\Admin\AppData\Local\Temp\مشفره.exe"1⤵
- Checks computer location settings
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c start "" "C:\Users\PEEKABOO.COM"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Users\PEEKABOO.COM"C:\Users\PEEKABOO.COM"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\MBR2.exe"C:\Users\MBR2.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\MatrixMBR.exe"C:\Windows\System32\MatrixMBR.exe"5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\GDI.exe"C:\Users\Admin\AppData\Local\Temp\GDI.exe"6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
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C:\Users\Admin\AppData\Local\Temp\MBR.exe"C:\Users\Admin\AppData\Local\Temp\MBR.exe"6⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Users\TROLL5.exe"C:\Users\TROLL5.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\TROLL2.exe"C:\Users\TROLL2.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
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-
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x42c 0x3201⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
GDI.exe
MBR.exe
MBR2.exe
PEEKABOO.COM
TROLL2.exe
TROLL5.exe
MatrixMBR.exe
memory/860-0-0x0000000000010000-0x0000000000022000-memory.dmp
memory/860-1-0x000000001AF40000-0x000000001AF50000-memory.dmp
memory/860-2-0x000000001AF40000-0x000000001AF50000-memory.dmp
memory/1252-38-0x0000000000470000-0x00000000004AA000-memory.dmp
memory/2140-62-0x00000000004B0000-0x00000000004F6000-memory.dmp
memory/2824-63-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3268-84-0x0000000000BD0000-0x0000000000BD8000-memory.dmp
memory/3784-9-0x000000001B810000-0x000000001B8F4000-memory.dmp
memory/3784-8-0x0000000002CF0000-0x0000000002D00000-memory.dmp
memory/3784-7-0x00000000009E0000-0x0000000000ACC000-memory.dmp
memory/4720-45-0x00000000005D0000-0x0000000000688000-memory.dmp
memory/4720-46-0x00000000056C0000-0x0000000005C64000-memory.dmp
memory/4720-47-0x0000000005020000-0x00000000050B2000-memory.dmp
memory/4720-48-0x00000000050D0000-0x00000000050DA000-memory.dmp