Analysis

  • max time kernel
    148s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/09/2026, 11:17

General

  • Target
    cdb914711cdac18867dd78f5d4e111a58105f8c38b0f91fddd5314b2e3887af5.exe
  • Size 82KB
  • Sample260913-ndq9vsad39
  • SHA256 cdb914711cdac18867dd78f5d4e111a58105f8c38b0f91fddd5314b2e3887af5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 3.0

Mutex
  • DEioUpVKztJgFWNC

Attributes
  • Install_directory

    %AppData%

  • localhost

    127.0.0.1

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 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 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 13 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cdb914711cdac18867dd78f5d4e111a58105f8c38b0f91fddd5314b2e3887af5.exe
    "C:\Users\Admin\AppData\Local\Temp\cdb914711cdac18867dd78f5d4e111a58105f8c38b0f91fddd5314b2e3887af5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name '' -Value '"C:\Users\Admin\AppData\Roaming\.exe"' -PropertyType 'String'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:944
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \ /tr "C:\Users\Admin\AppData\Roaming\.exe" /st 00:00 /du 9999:59 /sc once /ri 60 /rl HIGHEST /f
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5220
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \ /tr "C:\Users\Admin\AppData\Roaming\.exe" /st 00:00 /du 9999:59 /sc once /ri 60 /rl HIGHEST /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4756
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #cmd
      2⤵
        PID:1792
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        #cmd
        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:3620
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1276
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RegAsm.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5652
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\RegAsm.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2832
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "RegAsm" /tr "C:\Users\Admin\AppData\Roaming\RegAsm.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1200
    • C:\Users\Admin\AppData\Roaming\.exe
      C:\Users\Admin\AppData\Roaming\.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:1232
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        #cmd
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2520
    • C:\Users\Admin\AppData\Roaming\RegAsm.exe
      "C:\Users\Admin\AppData\Roaming\RegAsm.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5720
    • C:\Users\Admin\AppData\Roaming\RegAsm.exe
      "C:\Users\Admin\AppData\Roaming\RegAsm.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1456

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 19KB
          • SHA256 add2527c9a0da4922120802d5a62f7a6a259d25f39aa54b7bacc37acb42d38be
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 89984280c4217c20117ff83dbf58994c53d5b5ec9ea782db2d5a772739376164
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 d6ca2d94fed51afa7464c1e9e73c85d3acf749df2a43d1894aa360b62e262762
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_uqryrcek.h3p.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uqryrcek.h3p.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          .exe

          • Path C:\Users\Admin\AppData\Roaming\.exe
          • Size 82KB
          • SHA256 cdb914711cdac18867dd78f5d4e111a58105f8c38b0f91fddd5314b2e3887af5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RegAsm.exe

          • Path C:\Users\Admin\AppData\Roaming\RegAsm.exe
          • Size 57KB
          • SHA256 613b37387daf3698df4a8baf6e4350473ebc3f23682d368221cd8dea9de2fb63
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/944-30-0x00000000074B0000-0x0000000007B2C000-memory.dmp

          memory/944-29-0x0000000006D30000-0x0000000006DD3000-memory.dmp

          memory/944-4-0x00000000045A0000-0x00000000045D6000-memory.dmp

          memory/944-6-0x0000000074640000-0x0000000074DFC000-memory.dmp

          memory/944-7-0x0000000004C80000-0x00000000052CA000-memory.dmp

          memory/944-11-0x0000000074640000-0x0000000074DFC000-memory.dmp

          memory/944-13-0x0000000005300000-0x0000000005322000-memory.dmp

          memory/944-14-0x00000000053A0000-0x0000000005406000-memory.dmp

          memory/944-15-0x0000000005410000-0x0000000005476000-memory.dmp

          memory/944-18-0x0000000005540000-0x000000000589B000-memory.dmp

          memory/944-19-0x0000000005A90000-0x0000000005AAE000-memory.dmp

          memory/944-20-0x0000000005B70000-0x0000000005BBC000-memory.dmp

          memory/944-42-0x0000000074640000-0x0000000074DFC000-memory.dmp

          memory/944-38-0x00000000071B0000-0x00000000071CC000-memory.dmp

          memory/944-28-0x0000000006C80000-0x0000000006CA0000-memory.dmp

          memory/944-25-0x0000000072560000-0x00000000725AC000-memory.dmp

          memory/944-24-0x0000000006060000-0x0000000006096000-memory.dmp

          memory/944-31-0x0000000006E70000-0x0000000006E8A000-memory.dmp

          memory/944-40-0x00000000071F0000-0x0000000007212000-memory.dmp

          memory/944-32-0x0000000006EE0000-0x0000000006EEA000-memory.dmp

          memory/944-33-0x00000000070E0000-0x0000000007176000-memory.dmp

          memory/944-34-0x0000000007060000-0x0000000007071000-memory.dmp

          memory/944-39-0x0000000007180000-0x0000000007188000-memory.dmp

          memory/944-36-0x0000000007090000-0x00000000070A0000-memory.dmp

          memory/944-37-0x00000000070A0000-0x00000000070B5000-memory.dmp

          memory/1276-49-0x000000006FDF0000-0x000000006FE3C000-memory.dmp

          memory/1276-46-0x0000000005A80000-0x0000000005DDB000-memory.dmp

          memory/1276-52-0x00000000071A0000-0x0000000007243000-memory.dmp

          memory/1276-48-0x00000000061C0000-0x000000000620C000-memory.dmp

          memory/2832-65-0x000000006FDF0000-0x000000006FE3C000-memory.dmp

          memory/2832-61-0x0000000006300000-0x000000000665B000-memory.dmp

          memory/3620-12-0x0000000074640000-0x0000000074DFC000-memory.dmp

          memory/3620-8-0x0000000000400000-0x0000000000412000-memory.dmp

          memory/3620-35-0x0000000074640000-0x0000000074DFC000-memory.dmp

          memory/3620-76-0x00000000064D0000-0x00000000064DA000-memory.dmp

          memory/3620-43-0x0000000074640000-0x0000000074DFC000-memory.dmp

          memory/3620-9-0x0000000004D80000-0x0000000004E1C000-memory.dmp

          memory/3620-75-0x00000000064F0000-0x0000000006582000-memory.dmp

          memory/4208-10-0x0000000074640000-0x0000000074DFC000-memory.dmp

          memory/4208-2-0x0000000005110000-0x00000000056CA000-memory.dmp

          memory/4208-0-0x0000000074652000-0x0000000074653000-memory.dmp

          memory/4208-1-0x0000000000020000-0x000000000003A000-memory.dmp

          memory/4208-5-0x0000000074640000-0x0000000074DFC000-memory.dmp

          memory/5652-57-0x000000006FDF0000-0x000000006FE3C000-memory.dmp

          memory/5720-79-0x0000000000AA0000-0x0000000000AB2000-memory.dmp