Overview

overview

10

Static

static

10

Reg2026.exe

windows10-2004-x64

10

Reg2026.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    899s
  • max time network
    897s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 04:28

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General

  • Target
    Reg2026.exe
  • Size 32KB
  • Sample260708-e3r31say5s
  • SHA256 7407fbaf0de9bd75a6c5b8f147decc1654edb8dc1736362713920452a6cfe9ce
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarexwormpersistenceransomwareratspywaretrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 172.94.93.158:6000

Mutex

  • qh7Yh5gDqKT1Bmlp

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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 53 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\Reg2026.exe
    "C:\Users\Admin\AppData\Local\Temp\Reg2026.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5676
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4840
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3296
  • 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:4644
  • 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:4888
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3576
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:5360

      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

            memory/4644-8-0x00000176001E0000-0x00000176002E0000-memory.dmp
            Download

            memory/4644-52-0x00000176041A0000-0x00000176041C0000-memory.dmp
            Download

            memory/4644-36-0x0000017601D10000-0x0000017601D30000-memory.dmp
            Download

            memory/4644-20-0x0000017601D90000-0x0000017601E90000-memory.dmp
            Download

            memory/4644-18-0x0000017601930000-0x0000017601950000-memory.dmp
            Download

            memory/4644-7-0x00000176001E0000-0x00000176002E0000-memory.dmp
            Download

            memory/4644-189-0x0000017607B40000-0x0000017607DDE000-memory.dmp
            Download

            memory/4888-190-0x0000021F464E0000-0x0000021F4677E000-memory.dmp
            Download

            memory/5676-2-0x00007FFD8D030000-0x00007FFD8D9D4000-memory.dmp
            Download

            memory/5676-3-0x00007FFD8D030000-0x00007FFD8D9D4000-memory.dmp
            Download

            memory/5676-4-0x00007FFD8D030000-0x00007FFD8D9D4000-memory.dmp
            Download

            memory/5676-0-0x00007FFD8D1BF000-0x00007FFD8D1C0000-memory.dmp
            Download

            memory/5676-1-0x00000000000F0000-0x00000000000FE000-memory.dmp
            Download