Overview

overview

10

Static

static

10

essencial.rar

windows11-ltsc_2024-x64

10

essencial.exe

windows11-ltsc_2024-x64

10

Analysis

  • geolocation tags

    cacanadananorth-americatoronto
  • max time kernel
    900s
  • max time network
    901s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/10/2026, 22:37

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General

  • Target
    essencial.exe
  • Size 29KB
  • Sample261021-2j57vsgf35
  • SHA256 f95da37a6225bab1e53e57be54810d0f6094e96bf4a8e8bc7c6debf9ff70723a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarehackeddefense_evasiondiscoverynjratpersistenceprivilege_escalationransomwarespywaretrojan

Malware Config

Extracted

Family

  • njrat

Version

  • 0.6.4

Botnet

  • HacKed

C2

  • dani776522131-57252.portmap.host:57252

Mutex

  • 8515eb34d8f9de5af815466e9715b3e5

Attributes
  • reg_key

    8515eb34d8f9de5af815466e9715b3e5

  • splitter

    |'|'|

Signatures

  • Family: njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

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

    persistenceprivilege_escalation
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

    discoverydefense_evasion
  • 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
  • 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.

    discovery
  • 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
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\essencial.exe
    "C:\Users\Admin\AppData\Local\Temp\essencial.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Roaming\Trojan.exe
      "C:\Users\Admin\AppData\Roaming\Trojan.exe"
      2⤵
      • Creates a file in the Startup directory
      • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2696
  • C:\Users\Admin\AppData\Roaming\Trojan.exe
    "C:\Users\Admin\AppData\Roaming\Trojan.exe" ..
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3476
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4356
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1724
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5636
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1244
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:2656

      Network

            MITRE ATT&CK Enterprise v16

            Reconnaissance

            Resource Development

            Initial Access

            Execution

            Persistence

            Boot or Logon Autostart Execution

            3
            T1547

            Active Setup

            1
            T1547.014

            Registry Run Keys / Startup Folder

            2
            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

            3
            T1547

            Active Setup

            1
            T1547.014

            Registry Run Keys / Startup Folder

            2
            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

            3
            T1112

            Credential Access

            Discovery

            Peripheral Device Discovery

            3
            T1120

            Query Registry

            3
            T1012

            System Information Discovery

            3
            T1082

            System Location Discovery

            1
            T1614

            System Language Discovery

            1
            T1614.001

            System Network Configuration Discovery

            1
            T1016

            Lateral Movement

            Collection

            Video Capture

            1
            T1125

            Command and Control

            Exfiltration

            Impact

            Replay Monitor

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            Downloads

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            Trojan.exe
            • Path C:\Users\Admin\AppData\Roaming\Trojan.exe
            • Size 29KB
            • SHA256 f95da37a6225bab1e53e57be54810d0f6094e96bf4a8e8bc7c6debf9ff70723a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1724-29-0x0000028303C70000-0x0000028303C90000-memory.dmp
            Download

            memory/1724-20-0x0000028303E50000-0x0000028303F50000-memory.dmp
            Download

            memory/1724-57-0x0000028303A50000-0x0000028303A70000-memory.dmp
            Download

            memory/1724-12-0x00000283001E0000-0x00000283002E0000-memory.dmp
            Download

            memory/1724-19-0x0000028303A10000-0x0000028303A30000-memory.dmp
            Download

            memory/1812-4-0x00000000745B0000-0x0000000074BD1000-memory.dmp
            Download

            memory/1812-9-0x00000000745B0000-0x0000000074BD1000-memory.dmp
            Download

            memory/1812-3-0x00000000745B0000-0x0000000074BD1000-memory.dmp
            Download

            memory/2856-0-0x0000000001A40000-0x0000000001A50000-memory.dmp
            Download

            memory/2856-1-0x00000000745B2000-0x00000000745B4000-memory.dmp
            Download

            memory/3476-8-0x00000000745B0000-0x0000000074BD1000-memory.dmp
            Download

            memory/3476-7-0x00000000745B0000-0x0000000074BD1000-memory.dmp
            Download

            memory/3476-6-0x00000000745B0000-0x0000000074BD1000-memory.dmp
            Download

            memory/4356-195-0x000000000E410000-0x000000000EC8B000-memory.dmp
            Download

            memory/4356-227-0x000000000E410000-0x000000000EC8B000-memory.dmp
            Download