Analysis
- user interaction
yes - max time kernel
150s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260911-en - resource tags
- submitted
23/09/2026, 17:27
General
- Target Server.exe
- Size 37KB
- Sample260923-v1devay15l
- SHA256 ee8b4499f173a93a083538f32e9c61f079f1ee362c41b9f26c53b6fabd8d2c6d
Malware Config
Extracted
-
njrat
-
im523
-
HacKed
-
nsnosi-48450.portmap.host:48450
-
129f90e8e653e7308c4fb61d36977883
-
reg_key
129f90e8e653e7308c4fb61d36977883
-
splitter
|'|'|
Signatures
- Family: njRAT/Bladabindi
Widely used RAT written in .NET.
- Modifies Windows Firewall 2 TTPs 1 IoCs
- Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- 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 3 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 37 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.exe"1⤵
- Creates a file in the Startup directory
- 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" ENABLE2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
-
-
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
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
Server.exe
memory/1392-0-0x0000000074481000-0x0000000074482000-memory.dmp
memory/1392-1-0x0000000074480000-0x0000000074A31000-memory.dmp
memory/1392-6-0x0000000074480000-0x0000000074A31000-memory.dmp
memory/1392-9-0x0000000074480000-0x0000000074A31000-memory.dmp
memory/1392-10-0x0000000074480000-0x0000000074A31000-memory.dmp
memory/4780-4-0x0000000074480000-0x0000000074A31000-memory.dmp
memory/4780-5-0x0000000074480000-0x0000000074A31000-memory.dmp
memory/4780-8-0x0000000074480000-0x0000000074A31000-memory.dmp