Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 11:18

General

  • Target
    57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe
  • Size 754KB
  • Sample260910-nefjrabm7s
  • SHA256 57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 45.154.98.168:9019

Mutex
  • U1HTpom8klWxOpDd

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

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 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 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 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe
    "C:\Users\Admin\AppData\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\Users\Admin\AppData\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe
      "C:\Users\Admin\AppData\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe"
      2⤵
        PID:252
      • C:\Users\Admin\AppData\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe
        "C:\Users\Admin\AppData\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe"
        2⤵
        • Creates a file in the Startup directory
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:364
        • 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\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4708
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1920
        • 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\XWormClient.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:944
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormClient.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:4012
        • 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:1616
    • 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:2476
      • 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:3564
    • 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:3608
      • 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:3140

    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 b736732362edaf9eb392d6484336397d3a4fc1fc91be420c66f84659374dd0e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 91ac5234995a0a42533d3ade50698b26f2d7ed1c3864a5f1a04b53f14033d4aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 f42c87c0756d3ead6446f28136b53143e310593f17d5abebe427c429dd696549
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_kee0btch.wnx.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kee0btch.wnx.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          XWormClient.exe

          • Path C:\Users\Admin\AppData\Roaming\XWormClient.exe
          • Size 754KB
          • SHA256 57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/364-45-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/364-70-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/364-67-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/364-12-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/364-11-0x0000000000400000-0x0000000000410000-memory.dmp

          memory/944-52-0x00000000709E0000-0x0000000070A2C000-memory.dmp

          memory/944-49-0x0000000006320000-0x000000000667B000-memory.dmp

          memory/944-51-0x0000000006870000-0x00000000068BC000-memory.dmp

          memory/1920-42-0x0000000070A10000-0x0000000070A5C000-memory.dmp

          memory/4012-59-0x0000000070A10000-0x0000000070A5C000-memory.dmp

          memory/4708-24-0x0000000005E10000-0x0000000005E2E000-memory.dmp

          memory/4708-34-0x00000000071A0000-0x00000000071BA000-memory.dmp

          memory/4708-20-0x0000000005860000-0x00000000058C6000-memory.dmp

          memory/4708-19-0x00000000057F0000-0x0000000005856000-memory.dmp

          memory/4708-18-0x0000000005D10000-0x0000000005D32000-memory.dmp

          memory/4708-17-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/4708-21-0x0000000005960000-0x0000000005CBB000-memory.dmp

          memory/4708-14-0x0000000004950000-0x0000000004986000-memory.dmp

          memory/4708-25-0x0000000005E50000-0x0000000005E9C000-memory.dmp

          memory/4708-26-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/4708-27-0x0000000006E70000-0x0000000006EA6000-memory.dmp

          memory/4708-28-0x0000000070A10000-0x0000000070A5C000-memory.dmp

          memory/4708-31-0x0000000006410000-0x0000000006430000-memory.dmp

          memory/4708-32-0x00000000070B0000-0x0000000007153000-memory.dmp

          memory/4708-33-0x00000000077E0000-0x0000000007E5C000-memory.dmp

          memory/4708-16-0x0000000004FE0000-0x000000000562A000-memory.dmp

          memory/4708-35-0x0000000007210000-0x000000000721A000-memory.dmp

          memory/4708-36-0x0000000007410000-0x00000000074A6000-memory.dmp

          memory/4708-38-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/4708-15-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/4792-0-0x0000000074682000-0x0000000074683000-memory.dmp

          memory/4792-13-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/4792-10-0x0000000006760000-0x000000000680C000-memory.dmp

          memory/4792-9-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/4792-8-0x0000000074682000-0x0000000074683000-memory.dmp

          memory/4792-7-0x00000000050E0000-0x00000000050F4000-memory.dmp

          memory/4792-6-0x0000000074670000-0x0000000074E2C000-memory.dmp

          memory/4792-5-0x0000000004E40000-0x0000000004E4A000-memory.dmp

          memory/4792-4-0x0000000004F10000-0x0000000004FAC000-memory.dmp

          memory/4792-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

          memory/4792-2-0x0000000005430000-0x00000000059EA000-memory.dmp

          memory/4792-1-0x0000000000260000-0x0000000000324000-memory.dmp