Overview

overview

10

Static

static

10

echo-ac-new.exe

windows10-2004-x64

10

echo-ac-new.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 17:34

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General

  • Target
    echo-ac-new.exe
  • Size 65KB
  • Sample260705-v5nflsat2l
  • SHA256 bbe0000dd64c447b76bc02a78c2a78e5494adfb4c14808e9cdab7d28700d84d6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwareexecutionxwormpersistenceransomwareratspywaretrojan

Malware Config

Extracted

Family

  • xworm

C2

  • ckwna-2a02-2f01-7c05-c700-39ac-5c45-c497-db77.run.pinggy-free.link:32879

  • :123

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    svchost.exe

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Detect Xworm Payload 2 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
  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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).

  • 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
  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\echo-ac-new.exe
    "C:\Users\Admin\AppData\Local\Temp\echo-ac-new.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\ProgramData\svchost.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2008
  • C:\PROGRA~3\svchost.exe
    C:\PROGRA~3\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5776
  • C:\ProgramData\svchost.exe
    C:\ProgramData\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:480
  • C:\ProgramData\svchost.exe
    "C:\ProgramData\svchost.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5912
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5344
    • 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:6064
  • 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:3840
  • 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:3424
  • C:\ProgramData\svchost.exe
    "C:\ProgramData\svchost.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3048
  • C:\ProgramData\svchost.exe
    "C:\ProgramData\svchost.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:480

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        svchost.exe
        • Path C:\ProgramData\svchost.exe
        • Size 65KB
        • SHA256 bbe0000dd64c447b76bc02a78c2a78e5494adfb4c14808e9cdab7d28700d84d6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        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 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1468-5-0x00007FF9C97F0000-0x00007FF9CA194000-memory.dmp
        Download

        memory/1468-3-0x00007FF9C97F0000-0x00007FF9CA194000-memory.dmp
        Download

        memory/1468-4-0x00007FF9C97F0000-0x00007FF9CA194000-memory.dmp
        Download

        memory/1468-0-0x00007FF9C997F000-0x00007FF9C9980000-memory.dmp
        Download

        memory/1468-10-0x00007FF9C97F0000-0x00007FF9CA194000-memory.dmp
        Download

        memory/1468-2-0x00007FF9C97F0000-0x00007FF9CA194000-memory.dmp
        Download

        memory/1468-14-0x00007FF9C97F0000-0x00007FF9CA194000-memory.dmp
        Download

        memory/1468-15-0x00007FF9C97F0000-0x00007FF9CA194000-memory.dmp
        Download

        memory/1468-1-0x0000000000A90000-0x0000000000AA6000-memory.dmp
        Download

        memory/3840-39-0x000001B7001E0000-0x000001B7002E0000-memory.dmp
        Download

        memory/3840-38-0x000001B7001E0000-0x000001B7002E0000-memory.dmp
        Download

        memory/3840-56-0x000001B703D50000-0x000001B703E50000-memory.dmp
        Download

        memory/3840-83-0x000001B714110000-0x000001B714130000-memory.dmp
        Download

        memory/3840-69-0x000001B703B90000-0x000001B703BB0000-memory.dmp
        Download

        memory/3840-37-0x000001B7001E0000-0x000001B7002E0000-memory.dmp
        Download

        memory/3840-55-0x000001B703930000-0x000001B703950000-memory.dmp
        Download

        memory/6064-211-0x0000000009810000-0x000000000985D000-memory.dmp
        Download

        memory/6064-212-0x0000000008B80000-0x0000000008BE4000-memory.dmp
        Download