Overview

overview

10

Static

static

10

cuck.exe

windows10-2004-x64

10

cuck.exe

windows11-ltsc_2024-x64

10

Resubmissions

27/06/2026, 01:19

260627-bpwbqsgz4m10

26/06/2026, 23:53

260626-3xlaaaft8w10

Analysis

  • max time kernel
    128s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/06/2026, 23:53

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General

  • Target
    cuck.exe
  • Size 32KB
  • Sample260626-3xlaaaft8w
  • SHA256 20a54d1865bb3289f3f207fd04b82d8595516d5d4b4c91918e6456afc2ec0fe5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarexwormpersistenceransomwareratspywaretrojan

Malware Config

Extracted

Family

  • xworm

Version

  • XWorm V6.5 by M1dn1ght

C2

  • ihatethemundane-40685.portmap.host:49665

Mutex

  • tK0BeRGPLL3G8xgm

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Detect Xworm Payload 1 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
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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\cuck.exe
    "C:\Users\Admin\AppData\Local\Temp\cuck.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4204
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2108
    • 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:1596
  • 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:2872
  • 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:4768

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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/2872-19-0x000001D382A60000-0x000001D382A80000-memory.dmp
        Download

        memory/2872-52-0x000001D394690000-0x000001D3946B0000-memory.dmp
        Download

        memory/2872-30-0x000001D382C80000-0x000001D382CA0000-memory.dmp
        Download

        memory/2872-21-0x000001D382E80000-0x000001D382F80000-memory.dmp
        Download

        memory/2872-6-0x000001D3801E0000-0x000001D3802E0000-memory.dmp
        Download

        memory/2872-8-0x000001D3801E0000-0x000001D3802E0000-memory.dmp
        Download

        memory/2872-7-0x000001D3801E0000-0x000001D3802E0000-memory.dmp
        Download

        memory/4204-2-0x00007FFFCB5B0000-0x00007FFFCBF54000-memory.dmp
        Download

        memory/4204-3-0x00007FFFCB5B0000-0x00007FFFCBF54000-memory.dmp
        Download

        memory/4204-4-0x00007FFFCB5B0000-0x00007FFFCBF54000-memory.dmp
        Download

        memory/4204-1-0x0000000000DA0000-0x0000000000DAE000-memory.dmp
        Download

        memory/4204-0-0x00007FFFCB73F000-0x00007FFFCB740000-memory.dmp
        Download