Analysis

  • max time kernel
    149s
  • max time network
    146s
  • 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 (9).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 (9).exe
    "C:\Users\Admin\AppData\Local\Temp\New folder\XWormClient - Copy (9).exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2096
    • 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 (9).exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1348
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormClient - Copy (9).exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4964
    • 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:5540
    • 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:3168
    • 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:440
  • C:\Users\Admin\AppData\Roaming\gayclient.exe
    C:\Users\Admin\AppData\Roaming\gayclient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:552
  • C:\Users\Admin\AppData\Roaming\gayclient.exe
    C:\Users\Admin\AppData\Roaming\gayclient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2312
  • C:\Users\Admin\AppData\Roaming\gayclient.exe
    C:\Users\Admin\AppData\Roaming\gayclient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3356

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 914c9a35c46ff659345e245f25df0d0e06229be46f1e05468c36c5ae83af39db
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 817a8172477ff7dabbc743da4b6d9ff6986c7c6c8a1125e00776070e44a66e11
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 ddc7cd152b69e2ce521614a6b1541a514baca5d560b74f0ab585bea8677240a3
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_h3lg41q2.0fs.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h3lg41q2.0fs.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/1348-11-0x00007FF495AC0000-0x00007FF495AD0000-memory.dmp

        memory/1348-27-0x000002601AA40000-0x000002601AA50000-memory.dmp

        memory/1348-20-0x000002607FA20000-0x000002607FA2A000-memory.dmp

        memory/1348-21-0x000002607FA90000-0x000002607FAAC000-memory.dmp

        memory/1348-22-0x000002607FA30000-0x000002607FA3A000-memory.dmp

        memory/1348-23-0x000002607FAB0000-0x000002607FACA000-memory.dmp

        memory/1348-24-0x000002601CE40000-0x000002601CE48000-memory.dmp

        memory/1348-25-0x000002601D1B0000-0x000002601D1B6000-memory.dmp

        memory/1348-26-0x000002607FA70000-0x000002607FA7A000-memory.dmp

        memory/1348-19-0x000002601CD80000-0x000002601CE33000-memory.dmp

        memory/1348-18-0x000002601CD60000-0x000002601CD7C000-memory.dmp

        memory/1348-1-0x000002601AA40000-0x000002601AA50000-memory.dmp

        memory/1348-10-0x000002601AA40000-0x000002601AA50000-memory.dmp

        memory/1348-9-0x000002607FA40000-0x000002607FA62000-memory.dmp

        memory/1348-2-0x000002601AA40000-0x000002601AA50000-memory.dmp

        memory/2096-74-0x000000001CF90000-0x000000001CFA0000-memory.dmp

        memory/2096-78-0x000000001CF90000-0x000000001CFA0000-memory.dmp

        memory/2096-0-0x0000000000B10000-0x0000000000B20000-memory.dmp