Overview

overview

10

Static

static

3

SHELL.exe

windows10-2004-x64

10

SHELL.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    123s
  • max time network
    136s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 19:08

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General

  • Target
    SHELL.exe
  • Size 48.6MB
  • Sample260623-xta29afw7r
  • SHA256 7de2483d97a87d347b12c0efb2b9f8c7c736f55bf40b6372aaf9d8851f6f27db
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaredonutloaderloaderpersistenceransomwarespyware

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 1 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
  • 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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 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\SHELL.exe
    "C:\Users\Admin\AppData\Local\Temp\SHELL.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\l4pk1qzr\l4pk1qzr.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES3DAB.tmp" "c:\Users\Admin\AppData\Local\Temp\l4pk1qzr\CSC58B9A2C4DBC24CADB93B40E9D33D2D0.TMP"
        3⤵
          PID:5532
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:812
      • 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:5324
    • 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:2636
    • 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:4184
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:5316

      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

            RES3DAB.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\RES3DAB.tmp
            • Size 1KB
            • SHA256 6ebf18ef0faa48622cb9894bcb969d0c2b0892085440ee2f36850d241cd98d95
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            l4pk1qzr.dll
            • Path C:\Users\Admin\AppData\Local\Temp\l4pk1qzr\l4pk1qzr.dll
            • Size 4KB
            • SHA256 be7a5acd80d8d49881e4666d58bc0dd37beb625b77df6bd0e42652532252c858
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            CSC58B9A2C4DBC24CADB93B40E9D33D2D0.TMP
            • Path \??\c:\Users\Admin\AppData\Local\Temp\l4pk1qzr\CSC58B9A2C4DBC24CADB93B40E9D33D2D0.TMP
            • Size 652B
            • SHA256 47362744cabbf40ed95acf15b90aaef1cb78c1b7c4e78dbff470ff28b2186339
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            l4pk1qzr.0.cs
            • Path \??\c:\Users\Admin\AppData\Local\Temp\l4pk1qzr\l4pk1qzr.0.cs
            • Size 1KB
            • SHA256 225a6d52790b53f0219d616ffd2876ea0b3465da568b0c6ec9c209b62b3a848f
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            l4pk1qzr.cmdline
            • Path \??\c:\Users\Admin\AppData\Local\Temp\l4pk1qzr\l4pk1qzr.cmdline
            • Size 369B
            • SHA256 d24f496e92429b84e2e2d1e6d4c65d4b81dd7fc23ec237c99bb6caaf0bbf2b7a
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/1848-8-0x000000001DFC0000-0x000000001DFE2000-memory.dmp
            Download

            memory/1848-28-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/1848-10-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/1848-11-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/1848-12-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/1848-13-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/1848-9-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/1848-6-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/1848-7-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/1848-3-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/1848-26-0x000000001D950000-0x000000001D958000-memory.dmp
            Download

            memory/1848-2-0x0000000000320000-0x00000000033B8000-memory.dmp
            Download

            memory/1848-27-0x00000000378F0000-0x0000000038107000-memory.dmp
            Download

            memory/1848-0-0x00007FFC582DF000-0x00007FFC582E0000-memory.dmp
            Download

            memory/1848-29-0x00000000378F0000-0x0000000038107000-memory.dmp
            Download

            memory/1848-30-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/1848-1-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/2636-51-0x00000193CA780000-0x00000193CA880000-memory.dmp
            Download

            memory/2636-97-0x0000019BDF850000-0x0000019BDF870000-memory.dmp
            Download

            memory/2636-63-0x0000019BCEF50000-0x0000019BCEF70000-memory.dmp
            Download

            memory/2636-64-0x0000019BCF370000-0x0000019BCF470000-memory.dmp
            Download

            memory/2636-83-0x0000019BCF330000-0x0000019BCF350000-memory.dmp
            Download

            memory/4184-213-0x000001A5FC000000-0x000001A5FC691000-memory.dmp
            Download

            memory/4184-214-0x000001A5FC000000-0x000001A5FC691000-memory.dmp
            Download

            memory/4184-220-0x000001A5FC000000-0x000001A5FC691000-memory.dmp
            Download