Overview

overview

10

Static

static

10

XClient.exe

windows10-2004-x64

10

XClient.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    899s
  • max time network
    562s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 18:13

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    XClient.exe
  • Size 43KB
  • Sample261102-wt52ysbz8s
  • SHA256 bfe17f67bc0a28de027263c731787f0cc5b992f1766fead4df1181bb9f65b265
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebootkitdefense_evasiondiscoveryexecutionxwormpersistenceprivilege_escalationransomwareratspywaretrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 32.tcp.cpolar.top:11757

Mutex

  • ywsn88ZG2aAK69yL

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

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
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Executes dropped EXE 4 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.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Enumerates video capture drivers 2 TTPs 1 IoCs

    Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

    discoverydefense_evasion
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • 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: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 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\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • Enumerates video capture drivers
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2388
    • C:\Users\Admin\AppData\Local\Temp\aredne.exe
      "C:\Users\Admin\AppData\Local\Temp\aredne.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      PID:2184
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /delete /f /tn "XClient"
      2⤵
        PID:592
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp389C.tmp.bat""
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5588
        • C:\Windows\system32\timeout.exe
          timeout 3
          3⤵
          • Delays execution with timeout.exe
          PID:3468
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      C:\Users\Admin\AppData\Roaming\XClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2352
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      "C:\Users\Admin\AppData\Roaming\XClient.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4892
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x00000000000004D0 0x00000000000004DC
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      "C:\Users\Admin\AppData\Roaming\XClient.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4540
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:3920
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3004
        • 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:5536
      • 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:5732
      • 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:5868
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:616

        Network

              MITRE ATT&CK Enterprise v16

              Reconnaissance

              Resource Development

              Initial Access

              Execution

              Command and Scripting Interpreter

              1
              T1059

              Windows Command Shell

              1
              T1059.003

              Scheduled Task/Job

              1
              T1053

              Scheduled Task

              1
              T1053.005

              Persistence

              Boot or Logon Autostart Execution

              3
              T1547

              Active Setup

              1
              T1547.014

              Registry Run Keys / Startup Folder

              2
              T1547.001

              Pre-OS Boot

              1
              T1542

              Bootkit

              1
              T1542.003

              Scheduled Task/Job

              1
              T1053

              Scheduled Task

              1
              T1053.005

              Privilege Escalation

              Boot or Logon Autostart Execution

              3
              T1547

              Active Setup

              1
              T1547.014

              Registry Run Keys / Startup Folder

              2
              T1547.001

              Scheduled Task/Job

              1
              T1053

              Scheduled Task

              1
              T1053.005

              Defense Evasion

              Modify Registry

              3
              T1112

              Pre-OS Boot

              1
              T1542

              Bootkit

              1
              T1542.003

              Credential Access

              Discovery

              Peripheral Device Discovery

              3
              T1120

              Query Registry

              3
              T1012

              System Information Discovery

              3
              T1082

              System Network Configuration Discovery

              1
              T1016

              Lateral Movement

              Collection

              Video Capture

              1
              T1125

              Command and Control

              Exfiltration

              Impact

              Replay Monitor

              Loading Replay Monitor...

              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 607B
              • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
              • MD5 SHA1 SHA512 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 599B
              • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              aredne.exe
              • Path C:\Users\Admin\AppData\Local\Temp\aredne.exe
              • Size 2.0MB
              • SHA256 263a42e99e9095974f90cc60848b72b16c4f06d45eac8291e798909ad84c1696
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              tmp389C.tmp.bat
              • Path C:\Users\Admin\AppData\Local\Temp\tmp389C.tmp.bat
              • Size 159B
              • SHA256 69e3733eb077b9170cfc28910d549461727ad238e2ee25c2d917bfa6970c6216
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              XClient.exe
              • Path C:\Users\Admin\AppData\Roaming\XClient.exe
              • Size 43KB
              • SHA256 bfe17f67bc0a28de027263c731787f0cc5b992f1766fead4df1181bb9f65b265
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/2184-28-0x00000212DECF0000-0x00000212DEEF2000-memory.dmp
              Download

              memory/2352-15-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/2352-12-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/2352-13-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/2352-14-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/4056-3-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/4056-2-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/4056-17-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/4056-4-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/4056-0-0x00007FFF31DEF000-0x00007FFF31DF0000-memory.dmp
              Download

              memory/4056-9-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/4056-34-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/4056-16-0x00007FFF31C60000-0x00007FFF32604000-memory.dmp
              Download

              memory/4056-1-0x0000000000460000-0x0000000000472000-memory.dmp
              Download

              memory/5536-227-0x000000000E250000-0x000000000E3BC000-memory.dmp
              Download

              memory/5868-55-0x000002BB801E0000-0x000002BB802E0000-memory.dmp
              Download

              memory/5868-77-0x000002BB83BE0000-0x000002BB83C00000-memory.dmp
              Download

              memory/5868-103-0x000002BB94940000-0x000002BB94960000-memory.dmp
              Download

              memory/5868-63-0x000002BB83EA0000-0x000002BB83FA0000-memory.dmp
              Download

              memory/5868-62-0x000002BB83A80000-0x000002BB83AA0000-memory.dmp
              Download