Overview

overview

10

Static

static

10

Server.exe

windows10-2004-x64

8

Server.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 09:56

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General

  • Target
    Server.exe
  • Size 29KB
  • Sample260708-lym2tsd171
  • SHA256 e6122cf8b5a76a286822ecc5170cc7613c800951b47f4f476281cda5387420d3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarehackeddefense_evasiondiscoverynjratpersistenceprivilege_escalationransomwarespywaretrojan

Malware Config

Extracted

Family

  • njrat

Version

  • 0.6.4

Botnet

  • HacKed

C2

  • oypp.3utilities.com:1177

Mutex

  • 8a8f7bc3b398408db43958934b58f359

Attributes
  • reg_key

    8a8f7bc3b398408db43958934b58f359

  • 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
  • Drops startup file 2 IoCs
  • 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 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
  • 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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of FindShellTrayWindow 54 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\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Users\Admin\AppData\Local\Temp\ru.exe
      "C:\Users\Admin\AppData\Local\Temp\ru.exe"
      2⤵
      • Drops startup file
      • 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:5288
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\ru.exe" "ru.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4820
  • C:\Users\Admin\AppData\Local\Temp\ru.exe
    "C:\Users\Admin\AppData\Local\Temp\ru.exe" ..
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5492
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1804
    • 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 behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5124
  • 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:2024
  • 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:1868

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Persistence

        Boot or Logon Autostart Execution

        2
        T1547

        Active Setup

        1
        T1547.014

        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

        2
        T1547

        Active Setup

        1
        T1547.014

        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

        3
        T1112

        Credential Access

        Discovery

        Peripheral Device Discovery

        2
        T1120

        Query Registry

        3
        T1012

        System Information Discovery

        3
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

        Loading Replay Monitor...

        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

        ru.exe
        • Path C:\Users\Admin\AppData\Local\Temp\ru.exe
        • Size 29KB
        • SHA256 e6122cf8b5a76a286822ecc5170cc7613c800951b47f4f476281cda5387420d3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2024-75-0x000001A014290000-0x000001A0142B0000-memory.dmp
        Download

        memory/2024-61-0x000001A001DF0000-0x000001A001E10000-memory.dmp
        Download

        memory/2024-60-0x000001A001E30000-0x000001A001F30000-memory.dmp
        Download

        memory/2024-59-0x000001A001910000-0x000001A001930000-memory.dmp
        Download

        memory/2024-29-0x000001A0001E0000-0x000001A0002E0000-memory.dmp
        Download

        memory/5020-1-0x0000000074A02000-0x0000000074A04000-memory.dmp
        Download

        memory/5020-0-0x0000000000EE0000-0x0000000000EF0000-memory.dmp
        Download

        memory/5124-199-0x000000000A7D0000-0x000000000AA2F000-memory.dmp
        Download

        memory/5288-3-0x0000000074A00000-0x0000000075021000-memory.dmp
        Download

        memory/5288-8-0x0000000074A00000-0x0000000075021000-memory.dmp
        Download

        memory/5288-4-0x0000000074A00000-0x0000000075021000-memory.dmp
        Download

        memory/5492-7-0x0000000074A00000-0x0000000075021000-memory.dmp
        Download

        memory/5492-6-0x0000000074A00000-0x0000000075021000-memory.dmp
        Download