Overview

overview

10

Static

static

10

ad1.exe

windows10-ltsc_2021-x64

10

ad1.exe

windows10-2004-x64

10

ad1.exe

windows11-21h2-x64

10

ad1.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/06/2026, 14:46

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General

  • Target
    ad1.exe
  • Size 85KB
  • Sample260620-r5expafv8k
  • SHA256 05c5cf41a84e9c7ed95e2c5727487c8f059c9e99c7bb57628934b075f278fa04
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwareexecutiondonutloaderloaderpersistenceransomwarespyware

Malware Config

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    loaderdonutloader
  • Detects DonutLoader 2 IoCs
    loader
  • 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 3 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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 58 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of SetWindowsHookEx 8 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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Users\Admin\AppData\Local\Temp\ad1.exe
      "C:\Users\Admin\AppData\Local\Temp\ad1.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4188
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "Explorer" /tr "C:\Users\Admin\AppData\Roaming\Explorer.EXE"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3832
  • C:\Users\Admin\AppData\Local\Temp\ad1.exe
    C:\Users\Admin\AppData\Local\Temp\ad1.exe
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5272
  • C:\Users\Admin\AppData\Roaming\Explorer.EXE
    C:\Users\Admin\AppData\Roaming\Explorer.EXE
    1⤵
    • Executes dropped EXE
    PID:5868
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1776
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1936
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2264
  • C:\Users\Admin\AppData\Roaming\Explorer.EXE
    C:\Users\Admin\AppData\Roaming\Explorer.EXE
    1⤵
    • Executes dropped EXE
    PID:3868
  • C:\Users\Admin\AppData\Roaming\Explorer.EXE
    C:\Users\Admin\AppData\Roaming\Explorer.EXE
    1⤵
    • Executes dropped EXE
    • Modifies registry class
    PID:64

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        thumbcache_idx.db
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
        • Size 28KB
        • SHA256 424c3239940dd002d6adbba18c36a465ffda71d3ef3c8ad83e339d86b2f480a9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Microsoft_Office_SETLANG_EXE_15
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\Microsoft_Office_SETLANG_EXE_15
        • Size 36KB
        • SHA256 0c1cdbbf6d974764aad46477863059eaec7b1717a7d26b025f0f8fe24338bb36
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Microsoft_Windows_ControlPanel
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\AppIconCache\100\Microsoft_Windows_ControlPanel
        • Size 36KB
        • SHA256 1649ec9493be27f76ae7304927d383f8a53dd3e41ea1678bacaff33120ea4170
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Explorer.EXE
        • Path C:\Users\Admin\AppData\Roaming\Explorer.EXE
        • Size 4.6MB
        • SHA256 3dc254ad131a691acb1f9e3a5bb5ca5b3ea891869e516f4b3580ea4fcfdf2e76
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1776-22-0x0000000003030000-0x0000000003031000-memory.dmp
        Download

        memory/2264-41-0x000001F8F5E00000-0x000001F8F5E20000-memory.dmp
        Download

        memory/2264-24-0x000001F8F4E20000-0x000001F8F4F20000-memory.dmp
        Download

        memory/2264-59-0x000001F8F6210000-0x000001F8F6230000-memory.dmp
        Download

        memory/2264-23-0x000001F8F4E20000-0x000001F8F4F20000-memory.dmp
        Download

        memory/2264-28-0x000001F8F5E40000-0x000001F8F5E60000-memory.dmp
        Download

        memory/2264-25-0x000001F8F4E20000-0x000001F8F4F20000-memory.dmp
        Download

        memory/3268-16-0x00000000026F0000-0x00000000026F1000-memory.dmp
        Download

        memory/3268-5-0x0000000009260000-0x0000000009270000-memory.dmp
        Download

        memory/3268-7-0x0000000002900000-0x0000000002901000-memory.dmp
        Download

        memory/3268-4-0x0000000009260000-0x0000000009270000-memory.dmp
        Download

        memory/3268-8-0x0000000008320000-0x0000000008321000-memory.dmp
        Download

        memory/3268-2-0x00000000028C0000-0x00000000028D2000-memory.dmp
        Download

        memory/3268-3-0x0000000009260000-0x0000000009270000-memory.dmp
        Download

        memory/3268-1-0x0000000002710000-0x0000000002724000-memory.dmp
        Download

        memory/4188-0-0x0000000000E10000-0x0000000000E2C000-memory.dmp
        Download