Overview

overview

10

Static

static

10

njRAT.exe

windows10-2004-x64

10

njRAT.exe

windows10-ltsc_2021-x64

10

njRAT.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    32s
  • max time network
    34s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    02/08/2026, 05:39

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General

  • Target
    njRAT.exe
  • Size 29KB
  • Sample260802-gcefcatwbw
  • SHA256 0b2aef8463fb5a82c4946f071aa0343c562ddab2fcdc82b8147a9e29a79d79e0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njrat.exedefense_evasiondiscoverynjratpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • njrat

Version

  • 0.6.4

Botnet

  • njRAT.exe

C2

  • 127.0.0.1:1177

Mutex

  • 89a4044a39e7e8c50d4a0ae14faa4dbf

Attributes
  • reg_key

    89a4044a39e7e8c50d4a0ae14faa4dbf

  • splitter

    |'|'|

Signatures

  • Family: njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • 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
    persistence
  • 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.

    persistenceprivilege_escalation
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\njRAT.exe
    "C:\Users\Admin\AppData\Local\Temp\njRAT.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\sestm.exe
      "C:\Users\Admin\AppData\Local\Temp\sestm.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:812
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\sestm.exe" "sestm.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4312
  • C:\Users\Admin\AppData\Local\Temp\sestm.exe
    "C:\Users\Admin\AppData\Local\Temp\sestm.exe" ..
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3928

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Defense Evasion

        Impair Defenses

        1
        T1562

        Disable or Modify System Firewall

        1
        T1562.004

        Modify Registry

        1
        T1112

        Credential Access

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

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        Downloads

        sestm.exe
        • Path C:\Users\Admin\AppData\Local\Temp\sestm.exe
        • Size 29KB
        • SHA256 0b2aef8463fb5a82c4946f071aa0343c562ddab2fcdc82b8147a9e29a79d79e0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/812-4-0x00000000753A0000-0x0000000075951000-memory.dmp
        Download

        memory/812-10-0x00000000753A0000-0x0000000075951000-memory.dmp
        Download

        memory/3928-6-0x00000000753A0000-0x0000000075951000-memory.dmp
        Download

        memory/3928-7-0x00000000753A0000-0x0000000075951000-memory.dmp
        Download

        memory/3928-9-0x00000000753A0000-0x0000000075951000-memory.dmp
        Download

        memory/4860-0-0x00000000017E0000-0x00000000017F0000-memory.dmp
        Download

        memory/4860-1-0x00000000753A2000-0x00000000753A4000-memory.dmp
        Download