Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 14:08

General

  • Target
    89dde821c9a2435b5c800ba381a1b80f949642760e23583c35c2132c071457d9.exe
  • Size 880KB
  • Sample260810-rfpqlazgne
  • SHA256 89dde821c9a2435b5c800ba381a1b80f949642760e23583c35c2132c071457d9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Executes dropped EXE 8 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 16 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89dde821c9a2435b5c800ba381a1b80f949642760e23583c35c2132c071457d9.exe
    "C:\Users\Admin\AppData\Local\Temp\89dde821c9a2435b5c800ba381a1b80f949642760e23583c35c2132c071457d9.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4196
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\89dde821c9a2435b5c800ba381a1b80f949642760e23583c35c2132c071457d9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1136
    • C:\Users\Admin\AppData\Local\Temp\89dde821c9a2435b5c800ba381a1b80f949642760e23583c35c2132c071457d9.exe
      "C:\Users\Admin\AppData\Local\Temp\89dde821c9a2435b5c800ba381a1b80f949642760e23583c35c2132c071457d9.exe"
      2⤵
        PID:1676
      • C:\Users\Admin\AppData\Local\Temp\89dde821c9a2435b5c800ba381a1b80f949642760e23583c35c2132c071457d9.exe
        "C:\Users\Admin\AppData\Local\Temp\89dde821c9a2435b5c800ba381a1b80f949642760e23583c35c2132c071457d9.exe"
        2⤵
        • Creates a file in the Startup directory
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2812
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XWormClient" /tr "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4640
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\3ashfqk4knf.ps1"
      1⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3688
      • C:\Users\Admin\AppData\Roaming\CHwuUPGdBU.exe
        "C:\Users\Admin\AppData\Roaming\CHwuUPGdBU.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:692
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CHwuUPGdBU.exe"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4224
        • C:\Users\Admin\AppData\Roaming\CHwuUPGdBU.exe
          "C:\Users\Admin\AppData\Roaming\CHwuUPGdBU.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:5012
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      C:\Users\Admin\AppData\Roaming\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:716
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2988
      • C:\Users\Admin\AppData\Roaming\XWormClient.exe
        "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1840
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4272
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:4572
      • C:\Users\Admin\AppData\Roaming\XWormClient.exe
        "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5632
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1832
      • C:\Users\Admin\AppData\Roaming\XWormClient.exe
        "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4708

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 04e1f268707eecdc914e30f5d588c92aa3266f05949e1bdd32c4fe084cee6737
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 415d3648dbce7efe82cab3d55a08c29d5bbb96cc27305471053b960a7ecb0226
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 cdf2a8d0cf54a1d706d2d074c9e9ae50e80efb65146a271e683f19ee4fb90294
          • MD5 SHA1 SHA512 SSDEEP TLSH

          3ashfqk4knf.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\3ashfqk4knf.ps1
          • Size 1KB
          • SHA256 39fe161de8791338a5af409d3ff0f3d94c6e22b051e4f2ee5de8853e98e0e054
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_cdtxmbkv.2vq.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cdtxmbkv.2vq.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          CHwuUPGdBU.exe

          • Path C:\Users\Admin\AppData\Roaming\CHwuUPGdBU.exe
          • Size 880KB
          • SHA256 89dde821c9a2435b5c800ba381a1b80f949642760e23583c35c2132c071457d9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1136-30-0x00000000064E0000-0x00000000064FE000-memory.dmp

          memory/1136-39-0x0000000075310000-0x000000007535C000-memory.dmp

          memory/1136-53-0x0000000074A50000-0x000000007520C000-memory.dmp

          memory/1136-50-0x0000000007AB0000-0x0000000007B46000-memory.dmp

          memory/1136-49-0x00000000078B0000-0x00000000078BA000-memory.dmp

          memory/1136-47-0x0000000007E90000-0x000000000850C000-memory.dmp

          memory/1136-13-0x0000000002CA0000-0x0000000002CD6000-memory.dmp

          memory/1136-15-0x0000000074A50000-0x000000007520C000-memory.dmp

          memory/1136-48-0x0000000007840000-0x000000000785A000-memory.dmp

          memory/1136-16-0x0000000005880000-0x0000000005ECA000-memory.dmp

          memory/1136-46-0x00000000076F0000-0x0000000007793000-memory.dmp

          memory/1136-18-0x0000000074A50000-0x000000007520C000-memory.dmp

          memory/1136-19-0x0000000005600000-0x0000000005622000-memory.dmp

          memory/1136-44-0x0000000007480000-0x00000000074A0000-memory.dmp

          memory/1136-22-0x0000000074A50000-0x000000007520C000-memory.dmp

          memory/1136-20-0x00000000056A0000-0x0000000005706000-memory.dmp

          memory/1136-25-0x00000000060A0000-0x00000000063FB000-memory.dmp

          memory/1136-38-0x00000000074A0000-0x00000000074D6000-memory.dmp

          memory/1136-31-0x0000000006590000-0x00000000065DC000-memory.dmp

          memory/1832-99-0x0000000007BB0000-0x0000000007C53000-memory.dmp

          memory/1832-96-0x0000000071010000-0x000000007105C000-memory.dmp

          memory/1832-95-0x0000000006AD0000-0x0000000006B1C000-memory.dmp

          memory/2812-17-0x0000000074A50000-0x000000007520C000-memory.dmp

          memory/2812-54-0x0000000074A50000-0x000000007520C000-memory.dmp

          memory/2812-12-0x0000000000400000-0x000000000041E000-memory.dmp

          memory/2812-45-0x0000000074A50000-0x000000007520C000-memory.dmp

          memory/2812-14-0x0000000005040000-0x00000000050A6000-memory.dmp

          memory/2988-73-0x0000000070ED0000-0x0000000070F1C000-memory.dmp

          memory/3688-28-0x000002896D340000-0x000002896D362000-memory.dmp

          memory/4196-9-0x0000000006D10000-0x0000000006DC6000-memory.dmp

          memory/4196-10-0x0000000006F10000-0x0000000006FAC000-memory.dmp

          memory/4196-2-0x0000000005D50000-0x000000000630A000-memory.dmp

          memory/4196-3-0x0000000005830000-0x00000000058C2000-memory.dmp

          memory/4196-8-0x0000000074A50000-0x000000007520C000-memory.dmp

          memory/4196-7-0x0000000074A62000-0x0000000074A63000-memory.dmp

          memory/4196-6-0x0000000005C30000-0x0000000005C52000-memory.dmp

          memory/4196-5-0x0000000074A50000-0x000000007520C000-memory.dmp

          memory/4196-21-0x0000000074A50000-0x000000007520C000-memory.dmp

          memory/4196-4-0x00000000059D0000-0x00000000059DA000-memory.dmp

          memory/4196-1-0x0000000000D20000-0x0000000000E02000-memory.dmp

          memory/4196-0-0x0000000074A62000-0x0000000074A63000-memory.dmp

          memory/4224-64-0x0000000070ED0000-0x0000000070F1C000-memory.dmp

          memory/4224-67-0x0000000006F80000-0x0000000007023000-memory.dmp

          memory/4224-63-0x0000000005D00000-0x0000000005D4C000-memory.dmp

          memory/4224-61-0x0000000005820000-0x0000000005B7B000-memory.dmp

          memory/4272-56-0x00000000052C0000-0x00000000052E2000-memory.dmp

          memory/4572-83-0x0000000006550000-0x000000000659C000-memory.dmp

          memory/4572-84-0x0000000070EB0000-0x0000000070EFC000-memory.dmp