Analysis

  • user interaction
    yes
  • max time kernel
    88s
  • max time network
    90s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-en
  • resource tags

    arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    31/10/2026, 11:06

General

  • Target
    Server_protected.exe
  • Size 36KB
  • Sample261031-m7fvjshb39
  • SHA256 513da3369ecb387cc4752026a4d9e77ff8cbb6f51b868d3c6d6c16d140f22bd0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • njrat

Version
  • 0.6.4

Botnet
  • HacKed

C2
  • nsnosi-39204.portmap.host:39204

Mutex
  • ba4c12bee3027d94da5c81db2d196bfd

Attributes
  • reg_key

    ba4c12bee3027d94da5c81db2d196bfd

  • 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 a file named after a Windows system binary 1 TTPs 3 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 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).

  • 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.

  • 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 behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server_protected.exe
    "C:\Users\Admin\AppData\Local\Temp\Server_protected.exe"
    1⤵
    • Executes a file named after a Windows system binary
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes a file named after a Windows system binary
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates video capture drivers
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2072
  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe" ..
    1⤵
    • Executes a file named after a Windows system binary
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4084

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        svchost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
        • Size 36KB
        • SHA256 513da3369ecb387cc4752026a4d9e77ff8cbb6f51b868d3c6d6c16d140f22bd0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2984-3-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

        memory/2984-2-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

        memory/2984-0-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

        memory/2984-4-0x0000000004950000-0x00000000049EC000-memory.dmp

        memory/2984-5-0x0000000004AB0000-0x0000000005056000-memory.dmp

        memory/2984-1-0x0000000000460000-0x000000000046E000-memory.dmp

        memory/2984-15-0x0000000000400000-0x0000000000405000-memory.dmp

        memory/3548-18-0x0000000005870000-0x0000000005902000-memory.dmp

        memory/3548-19-0x0000000005970000-0x000000000597A000-memory.dmp

        memory/3548-22-0x0000000000400000-0x0000000000405000-memory.dmp

        memory/3548-24-0x0000000005990000-0x00000000059F6000-memory.dmp

        memory/3548-26-0x0000000006210000-0x000000000621A000-memory.dmp

        memory/4084-21-0x0000000000400000-0x0000000000405000-memory.dmp