Overview

overview

8

Static

static

3

Trojan.MSI...ck.exe

windows10-2004-x64

7

Trojan.MSI...ck.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 19:43

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General

  • Target
    Trojan.MSIL.EvilClusterFuck.exe
  • Size 64KB
  • Sample260703-yfdfwsft6y
  • SHA256 c9b98408ca67d08e1986d1855c4d99944caad5580533d18496cd8de86dd0885f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

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
  • Executes dropped EXE 14 IoCs
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 15 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 45 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 15 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\Trojan.MSIL.EvilClusterFuck.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.EvilClusterFuck.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Users\Admin\AppData\Local\Temp\719422937\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\719422937\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3644
    • C:\Users\Admin\AppData\Local\Temp\acrocef_low\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\acrocef_low\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3960
    • C:\Users\Admin\AppData\Local\Temp\hsperfdata_Admin\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\hsperfdata_Admin\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4136
    • C:\Users\Admin\AppData\Local\Temp\Low\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\Low\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1704
    • C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:552
    • C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5312
    • C:\Users\Admin\AppData\Local\Temp\mozilla-temp-files\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\mozilla-temp-files\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5816
    • C:\Users\Admin\AppData\Local\Temp\OneNote\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\OneNote\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5984
      • C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Trojan.MSIL.EvilClusterFuck.exe
        "C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Trojan.MSIL.EvilClusterFuck.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5048
        • C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\Trojan.MSIL.EvilClusterFuck.exe
          "C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\Trojan.MSIL.EvilClusterFuck.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:5044
    • C:\Users\Admin\AppData\Local\Temp\Outlook Logging\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\Outlook Logging\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2860
    • C:\Users\Admin\AppData\Local\Temp\VBE\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\VBE\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\{02FBABFD-86D7-4646-A890-8B96922846EF}\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\{02FBABFD-86D7-4646-A890-8B96922846EF}\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:6088
    • C:\Users\Admin\AppData\Local\Temp\{4A574170-6EA9-4440-86AE-B0138FBC57FF}\Trojan.MSIL.EvilClusterFuck.exe
      "C:\Users\Admin\AppData\Local\Temp\{4A574170-6EA9-4440-86AE-B0138FBC57FF}\Trojan.MSIL.EvilClusterFuck.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3200
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4672
    • 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:3416
  • 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:5232
  • 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:5820

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

        Trojan.MSIL.EvilClusterFuck.exe
        • Path C:\Users\Admin\AppData\Local\Temp\719422937\Trojan.MSIL.EvilClusterFuck.exe
        • Size 64KB
        • SHA256 c9b98408ca67d08e1986d1855c4d99944caad5580533d18496cd8de86dd0885f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3644-16-0x0000000074B40000-0x0000000075161000-memory.dmp
        Download

        memory/3644-4-0x0000000074B40000-0x0000000075161000-memory.dmp
        Download

        memory/3644-5-0x0000000074B40000-0x0000000075161000-memory.dmp
        Download

        memory/3960-6-0x0000000074B40000-0x0000000075161000-memory.dmp
        Download

        memory/3960-7-0x0000000074B40000-0x0000000075161000-memory.dmp
        Download

        memory/3960-12-0x0000000074B40000-0x0000000075161000-memory.dmp
        Download

        memory/5052-22-0x0000000000CA0000-0x0000000000CB0000-memory.dmp
        Download

        memory/5052-0-0x0000000000CA0000-0x0000000000CB0000-memory.dmp
        Download

        memory/5052-23-0x0000000074B42000-0x0000000074B44000-memory.dmp
        Download

        memory/5052-1-0x0000000074B42000-0x0000000074B44000-memory.dmp
        Download

        memory/5232-43-0x000002AB801E0000-0x000002AB802E0000-memory.dmp
        Download

        memory/5232-62-0x000002AB840E0000-0x000002AB84100000-memory.dmp
        Download

        memory/5232-48-0x000002AB81E30000-0x000002AB81F30000-memory.dmp
        Download

        memory/5232-49-0x000002AB81C70000-0x000002AB81C90000-memory.dmp
        Download

        memory/5232-47-0x000002AB81A10000-0x000002AB81A30000-memory.dmp
        Download

        memory/5232-44-0x000002AB801E0000-0x000002AB802E0000-memory.dmp
        Download