Analysis

  • max time kernel
    149s
  • max time network
    154s
  • 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, 15:58

General

  • Target
    ech0-ac.exe
  • Size 63KB
  • Sample260705-ter6fahs6r
  • SHA256 5bbaba74c90528c2b7ddcd7ae5dadd067d7a33c51e2ff3f8e236ba41d9602316
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

C2
  • near-violin.gl.at.ply.gg:3353

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    SecurityHealth.exe

  • localhost

    127.0.0.1

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ech0-ac.exe
    "C:\Users\Admin\AppData\Local\Temp\ech0-ac.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SecurityHealth" /tr "C:\ProgramData\SecurityHealth.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4796
  • C:\PROGRA~3\SecurityHealth.exe
    C:\PROGRA~3\SECURI~1.EXE
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1668
  • C:\ProgramData\SecurityHealth.exe
    C:\ProgramData\SecurityHealth.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3952
  • C:\ProgramData\SecurityHealth.exe
    "C:\ProgramData\SecurityHealth.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5540
  • C:\ProgramData\SecurityHealth.exe
    "C:\ProgramData\SecurityHealth.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1596
  • C:\ProgramData\SecurityHealth.exe
    "C:\ProgramData\SecurityHealth.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1452

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        SecurityHealth.exe

        • Path C:\ProgramData\SecurityHealth.exe
        • Size 63KB
        • SHA256 5bbaba74c90528c2b7ddcd7ae5dadd067d7a33c51e2ff3f8e236ba41d9602316
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2316-1-0x0000000000790000-0x00000000007A6000-memory.dmp

        memory/2316-0-0x00007FF8BAC4F000-0x00007FF8BAC50000-memory.dmp

        memory/2316-2-0x00007FF8BAAC0000-0x00007FF8BB464000-memory.dmp

        memory/2316-3-0x00007FF8BAAC0000-0x00007FF8BB464000-memory.dmp

        memory/2316-8-0x00007FF8BAAC0000-0x00007FF8BB464000-memory.dmp

        memory/2316-14-0x00007FF8BAAC0000-0x00007FF8BB464000-memory.dmp

        memory/3952-12-0x00007FF8BAAC0000-0x00007FF8BB464000-memory.dmp

        memory/3952-13-0x00007FF8BAAC0000-0x00007FF8BB464000-memory.dmp