Overview

overview

8

Static

static

3

FizzoLoader.exe

windows10-2004-x64

5

FizzoLoader.exe

windows11-ltsc_2024-x64

8

Resubmissions

27/07/2026, 21:58

260727-1vmn8ade358

27/07/2026, 21:50

260727-1p5b3ssyfz6

Analysis

  • user interaction
    yes
  • max time kernel
    931s
  • max time network
    553s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 21:58

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General

  • Target
    FizzoLoader.exe
  • Size 30.1MB
  • Sample260727-1vmn8ade35
  • SHA256 e212cd4631b2c99e6b96b94157c227dd27d094e099c206e1da806efac9392070
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwareexecutionpersistenceransomwarespyware

Malware Config

Signatures

  • 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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • 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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 5 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\FizzoLoader.exe
    "C:\Users\Admin\AppData\Local\Temp\FizzoLoader.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\FizzoLoader.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\FizzoLoader.exe" MD5
        3⤵
          PID:3152
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:1780
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:2884
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k GPSvcGroup
          1⤵
            PID:5960
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:4896
            • 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:120
          • 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:1420
          • 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:3704
          • C:\Windows\System32\SecurityHealthHost.exe
            \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
            1⤵
              PID:4516

            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 607B
                  • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
                  • MD5 SHA1 SHA512 TLSH
                  Submit Download

                  memory/1420-27-0x0000018B801E0000-0x0000018B802E0000-memory.dmp
                  Download

                  memory/1420-28-0x0000018B801E0000-0x0000018B802E0000-memory.dmp
                  Download

                  memory/1420-29-0x0000018B801E0000-0x0000018B802E0000-memory.dmp
                  Download

                  memory/1420-39-0x0000018B82920000-0x0000018B82940000-memory.dmp
                  Download

                  memory/1420-52-0x0000018B82C80000-0x0000018B82CA0000-memory.dmp
                  Download

                  memory/1420-73-0x0000018B94200000-0x0000018B94220000-memory.dmp
                  Download

                  memory/1420-40-0x0000018B82E80000-0x0000018B82F80000-memory.dmp
                  Download

                  memory/3884-0-0x00007FFE10450000-0x00007FFE10452000-memory.dmp
                  Download

                  memory/3884-2-0x00007FFE10460000-0x00007FFE10462000-memory.dmp
                  Download

                  memory/3884-3-0x00007FF7B4680000-0x00007FF7B649E000-memory.dmp
                  Download