Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 09:54

General

  • Target
    New folder/XWormClient - Copy (8).exe
  • Size 38KB
  • Sample260523-lxbbmsfx2p
  • SHA256 e064eed0fc19d4df77bd33c3e26ff2f2e25639550292f93218c17a0ddceb0299
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

Mutex
  • speN341SssyFGzgn

Attributes
  • Install_directory

    %AppData%

  • install_file

    gayclient.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 2 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.

  • Executes dropped EXE 3 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: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 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\New folder\XWormClient - Copy (8).exe
    "C:\Users\Admin\AppData\Local\Temp\New folder\XWormClient - Copy (8).exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\New folder\XWormClient - Copy (8).exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2028
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormClient - Copy (8).exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:432
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\gayclient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3660
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'gayclient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3752
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "gayclient" /tr "C:\Users\Admin\AppData\Roaming\gayclient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:784
  • C:\Users\Admin\AppData\Roaming\gayclient.exe
    C:\Users\Admin\AppData\Roaming\gayclient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3056
  • C:\Users\Admin\AppData\Roaming\gayclient.exe
    C:\Users\Admin\AppData\Roaming\gayclient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4484
  • C:\Users\Admin\AppData\Roaming\gayclient.exe
    C:\Users\Admin\AppData\Roaming\gayclient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:944

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        gayclient.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\gayclient.exe.log
        • Size 654B
        • SHA256 e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
        • MD5 SHA1 SHA512 TLSH

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 4KB
        • SHA256 e27390d57580e3dfba07bec3d8e430203bbc91e90f6937079b3fd52abc721bd4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 93fd3c992521cef182e6847f4f6658c58cfd5bdde16d4732d1c055b3c9e34398
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 389b76e5f17a621d1f44170625f819ad540f68b52a69dc53ddfc5c4a6d65b514
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 96ed731078f883ff55f9bb49d78c8fc95efe9c60e6c0119e09a4b08001611844
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_hxkesagf.jxn.ps1

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

        gayclient.exe

        • Path C:\Users\Admin\AppData\Roaming\gayclient.exe
        • Size 38KB
        • SHA256 e064eed0fc19d4df77bd33c3e26ff2f2e25639550292f93218c17a0ddceb0299
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2028-11-0x00007FF4B8A90000-0x00007FF4B8AA0000-memory.dmp

        memory/2028-27-0x0000025F1DC10000-0x0000025F1DC20000-memory.dmp

        memory/2028-20-0x0000025F37C90000-0x0000025F37C9A000-memory.dmp

        memory/2028-21-0x0000025F37F10000-0x0000025F37F2C000-memory.dmp

        memory/2028-22-0x0000025F37DF0000-0x0000025F37DFA000-memory.dmp

        memory/2028-23-0x0000025F37F50000-0x0000025F37F6A000-memory.dmp

        memory/2028-24-0x0000025F37E00000-0x0000025F37E08000-memory.dmp

        memory/2028-25-0x0000025F37F30000-0x0000025F37F36000-memory.dmp

        memory/2028-26-0x0000025F37F40000-0x0000025F37F4A000-memory.dmp

        memory/2028-19-0x0000025F379C0000-0x0000025F37A73000-memory.dmp

        memory/2028-18-0x0000025F379A0000-0x0000025F379BC000-memory.dmp

        memory/2028-2-0x0000025F1DC10000-0x0000025F1DC20000-memory.dmp

        memory/2028-10-0x0000025F1DC10000-0x0000025F1DC20000-memory.dmp

        memory/2028-9-0x0000025F37910000-0x0000025F37932000-memory.dmp

        memory/2028-1-0x0000025F1DC10000-0x0000025F1DC20000-memory.dmp

        memory/4136-74-0x000000001C600000-0x000000001C610000-memory.dmp

        memory/4136-78-0x000000001C600000-0x000000001C610000-memory.dmp

        memory/4136-0-0x00000000002D0000-0x00000000002E0000-memory.dmp