Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
16/09/2026, 07:35
General
- Target njRAT v0.9d/Stub/Stub.exe
- Size 23KB
- Sample260916-jesf4avthy
- SHA256 08df80741923f7cb957792f483fbc1ccde261f1d93d0571189c8d5ef10891999
Malware Config
Extracted
-
njrat
-
0.7d
-
HacKed
-
aymentn.ddns.net:1177
-
4cef650e02c2f64aed70aaa9830d5dcc
-
reg_key
4cef650e02c2f64aed70aaa9830d5dcc
-
splitter
|'|'|
Signatures
- Family: njRAT/Bladabindi
Widely used RAT written in .NET.
- Modifies Windows Firewall 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
- 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 35 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\njRAT v0.9d\Stub\Stub.exe"C:\Users\Admin\AppData\Local\Temp\njRAT v0.9d\Stub\Stub.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe" ..1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
server.exe
memory/2716-11-0x0000000074900000-0x0000000074EB1000-memory.dmp
memory/2716-15-0x0000000074900000-0x0000000074EB1000-memory.dmp
memory/3412-0-0x0000000001790000-0x00000000017A0000-memory.dmp
memory/3412-1-0x0000000074902000-0x0000000074904000-memory.dmp
memory/3424-13-0x0000000074900000-0x0000000074EB1000-memory.dmp
memory/3424-14-0x0000000074900000-0x0000000074EB1000-memory.dmp
memory/3424-17-0x0000000074900000-0x0000000074EB1000-memory.dmp