Analysis
- user interaction
yes - max time kernel
36s - max time network
34s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/10/2026, 18:13
General
- Target Steam.exe
- Size 260KB
- Sample261001-wt4twsty4n
- SHA256 ed2b5dc45fd0dc586afa7533bfb0d02c3f562b154582e4cee43b70f4c83caafd
Malware Config
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 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 7 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Steam.exe"C:\Users\Admin\AppData\Local\Temp\Steam.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Steam.exe"C:\Users\Admin\AppData\Roaming\Steam.exe"2⤵
- Creates a file in the Startup directory
- 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\Roaming\Steam.exe" "Steam.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
-
-
-
C:\Users\Admin\AppData\Roaming\Steam.exe"C:\Users\Admin\AppData\Roaming\Steam.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
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
Steam.exe
memory/1236-0-0x0000000000F60000-0x0000000000F70000-memory.dmp
memory/1236-1-0x00000000749F2000-0x00000000749F4000-memory.dmp
memory/4408-11-0x00000000749F0000-0x0000000075011000-memory.dmp
memory/4408-12-0x00000000749F0000-0x0000000075011000-memory.dmp
memory/4408-15-0x00000000749F0000-0x0000000075011000-memory.dmp
memory/5816-14-0x00000000749F0000-0x0000000075011000-memory.dmp
memory/5816-16-0x00000000749F0000-0x0000000075011000-memory.dmp