Overview

overview

10

Static

static

10

Madium.exe

windows11-21h2-x64

10

Madium.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    600s
  • max time network
    599s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/10/2026, 22:37

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General

  • Target
    Madium.exe
  • Size 3.1MB
  • Sample261014-2jsa1azz7k
  • SHA256 339c4d16c6a1f1fce85081ffe077cd30e35850d46fcdd7fd89d675fce3d8b7ab
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaremadium executorexecutionquasarpersistenceransomwarespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Madium Executor

C2

  • 192.168.5.220:4782

Mutex

  • f743f709-3a0c-4898-ad83-a402ce24b696

Attributes
  • encryption_key

    BCC536DAB57673EF8AC5DB2A5F7CDD0991AC2977

  • install_name

    Executor.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    MicrosoftKeyboard

  • reconnect_delay

    3000

  • startup_key

    Madium Executor Loader

  • subdirectory

    Madium

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • Quasar payload 2 IoCs
  • 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
  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 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\Madium.exe
    "C:\Users\Admin\AppData\Local\Temp\Madium.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "Madium Executor Loader" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Madium\Executor.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3024
    • C:\Users\Admin\AppData\Roaming\Madium\Executor.exe
      "C:\Users\Admin\AppData\Roaming\Madium\Executor.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1052
  • C:\Users\Admin\AppData\Roaming\Madium\Executor.exe
    C:\Users\Admin\AppData\Roaming\Madium\Executor.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "Madium Executor Loader" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Madium\Executor.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2724
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5688
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5632
      • 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:2760
    • 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:5804
    • 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:1092

    Network

          MITRE ATT&CK Enterprise v16

          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

          Executor.exe
          • Path C:\Users\Admin\AppData\Roaming\Madium\Executor.exe
          • Size 3.1MB
          • SHA256 339c4d16c6a1f1fce85081ffe077cd30e35850d46fcdd7fd89d675fce3d8b7ab
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/432-32-0x000000001C760000-0x000000001C7B0000-memory.dmp
          Download

          memory/432-33-0x000000001C870000-0x000000001C922000-memory.dmp
          Download

          memory/1052-25-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-21-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-30-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-29-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-28-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-27-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-20-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-26-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-24-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-34-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-23-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-18-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-16-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-17-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1052-19-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/1092-229-0x000001EF79340000-0x000001EF79774000-memory.dmp
          Download

          memory/2116-10-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-5-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-13-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-12-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-11-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-0-0x00007FFDAB46F000-0x00007FFDAB470000-memory.dmp
          Download

          memory/2116-9-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-8-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-7-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-6-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-22-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-14-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-4-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-3-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-2-0x00007FFDAB2E0000-0x00007FFDABC84000-memory.dmp
          Download

          memory/2116-1-0x0000000000230000-0x0000000000554000-memory.dmp
          Download

          memory/5804-102-0x000001C814700000-0x000001C814720000-memory.dmp
          Download

          memory/5804-70-0x000001C802F00000-0x000001C803000000-memory.dmp
          Download

          memory/5804-69-0x000001C802CE0000-0x000001C802D00000-memory.dmp
          Download

          memory/5804-78-0x000001C802DE0000-0x000001C802E00000-memory.dmp
          Download

          memory/5804-39-0x000001C8001E0000-0x000001C8002E0000-memory.dmp
          Download