Analysis
- user interaction
yes - max time kernel
94s - max time network
104s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/11/2026, 14:35
Errors
General
- Target h.exe
- Size 49KB
- Sample261102-ryctracy7r
- SHA256 0a2f081624e5ae07cbeb9fae26fc4d5b2c91bab877df9536f85f27fa9c9b8144
Malware Config
Extracted
-
neptunerat
-
wsdw-38977.portmap.host:38977
-
filename
USB.exe
-
group
MasonGroup
-
key
czvLC18PnYQtPnfL
-
rat_name
MasonRAT
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 2 IoCs
- Executes dropped EXE 7 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- 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).
- 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 2 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 6 IoCs
- Suspicious use of WriteProcessMemory 5 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\h.exe"C:\Users\Admin\AppData\Local\Temp\h.exe"1⤵
- 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\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "h" /tr "C:\Users\Admin\AppData\Roaming\h.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\tmp4288.tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp4288.tmp.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\MBR2.exe"C:\Users\Admin\AppData\Local\Temp\MBR2.exe"3⤵
- Executes dropped EXE
- Drops file in System32 directory
-
C:\Windows\System32\MatrixMBR.exe"C:\Windows\System32\MatrixMBR.exe"4⤵
-
C:\Users\Admin\AppData\Local\Temp\GDI.exe"C:\Users\Admin\AppData\Local\Temp\GDI.exe"5⤵
-
-
C:\Users\Admin\AppData\Local\Temp\MBR.exe"C:\Users\Admin\AppData\Local\Temp\MBR.exe"5⤵
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\TROLL5.exe"C:\Users\Admin\AppData\Local\Temp\TROLL5.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\TROLL2.exe"C:\Users\Admin\AppData\Local\Temp\TROLL2.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
-
C:\Users\Admin\AppData\Roaming\h.exeC:\Users\Admin\AppData\Roaming\h.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\h.exe"C:\Users\Admin\AppData\Roaming\h.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\h.exe"C:\Users\Admin\AppData\Roaming\h.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004A4 0x00000000000004B01⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
GDI.exe
MBR.exe
MBR2.exe
TROLL2.exe
TROLL5.exe
tmp4288.tmp.exe
h.exe
MatrixMBR.exe
memory/428-70-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2120-8-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-6-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-11-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-12-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-14-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-15-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-16-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-9-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-1-0x0000000000640000-0x0000000000652000-memory.dmp
memory/2120-2-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-0-0x00007FFECDECF000-0x00007FFECDED0000-memory.dmp
memory/2120-10-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-3-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-5-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/2120-4-0x00007FFECDD40000-0x00007FFECE6E4000-memory.dmp
memory/3036-43-0x00000000003B0000-0x00000000003EA000-memory.dmp
memory/3768-27-0x000000001B120000-0x000000001B204000-memory.dmp
memory/3768-26-0x0000000000160000-0x000000000024C000-memory.dmp
memory/4080-84-0x0000000000FC0000-0x0000000000FC8000-memory.dmp
memory/4392-69-0x00000000003C0000-0x0000000000406000-memory.dmp
memory/5820-57-0x0000000006230000-0x00000000067EA000-memory.dmp
memory/5820-58-0x0000000005B90000-0x0000000005C22000-memory.dmp
memory/5820-59-0x0000000005C30000-0x0000000005C3A000-memory.dmp
memory/5820-56-0x0000000000FC0000-0x0000000001078000-memory.dmp