Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/10/2026, 04:25

General

  • Target
    MT 103 USD 65660.01.js
  • Size 101KB
  • Sample261022-e19kaax1dw
  • SHA256 2bff9eeb072e4d37e129e9d37eb7c866051be1ace3d8702fc7ddac0953ea8dcd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://rough-truth-e072.publicftpresend.workers.dev/pfeeitvv

  • exe.dropper

    https://rough-truth-e072.publicftpresend.workers.dev/pfeeitvv

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 147.124.216.205:5151

Mutex
  • uW1YQSdZK8XVNNoZ

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
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Run Powershell and hide display window.

  • System Binary Proxy Execution: Regsvcs/Regasm 1 TTPs 3 IoCs

    Abuse Regasm to proxy execution of malicious code.

  • 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 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates video capture drivers 2 TTPs 1 IoCs

    Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\MT 103 USD 65660.01.js"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    PID:3464
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Admin\AppData\Local\Temp\rad5F6D6.tmp.ps1'; Remove-Item -LiteralPath 'C:\Users\Admin\AppData\Local\Temp\rad5F6D6.tmp.ps1' -Force -ErrorAction SilentlyContinue"
    1⤵
    • Process spawned unexpected child process
    • Badlisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • System Binary Proxy Execution: Regsvcs/Regasm
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Binary Proxy Execution: Regsvcs/Regasm
      • Creates a file in the Startup directory
      • Accesses Microsoft Outlook profiles
      • Enumerates video capture drivers
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4432
      • 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:5560
      • 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:4624
      • 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:752
      • 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:4836
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /target:exe /out:"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe" "C:\Users\Admin\AppData\Local\Temp\guardian_src_8f758d8141f84863a5b833ebb82db959.cs"
        3⤵
        • System Binary Proxy Execution: Regsvcs/Regasm
        • Suspicious use of WriteProcessMemory
        PID:3276
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESED92.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC8E7BD5AA805C4E8F9828D746C47828BD.TMP"
          4⤵
            PID:4156
        • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
          "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe" 4432
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:4592

    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 1KB
          • SHA256 7220bebdc502d464ae7087a99c3ede4111dd6b76b8489a2281ce01b4d63566f2
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 d652c466cbd8ec0fd7c58528d6315e9c483d1eca84b2226dc9a39f18a8d762a8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 b24ef6f231e7020e83f5bab5247064e659afcfc7927bc0ed1bc41cb3de3e0af5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 a677d506489a88fc99260301941e192297e5ed3d9f4bcb5d2688febb47decaea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RESED92.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RESED92.tmp
          • Size 1KB
          • SHA256 779f392c4106c86612fe1bb5c06a4dc738265ce5b117d4a027fed7451f9c6403
          • MD5 SHA1 SHA512 TLSH

          RegAsm.exe

          • Path C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
          • Size 5KB
          • SHA256 ae3bfc98a7dba3b11107f612d7dd88d1ff8a76ecb714d06ce4209afc77daddc6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_fikahyzy.thy.ps1

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

          rad5F6D6.tmp.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\rad5F6D6.tmp.ps1
          • Size 1KB
          • SHA256 df71efa9915460ac3e12e7351def6f03690abf02370acfdd68de8522b4c7207a
          • MD5 SHA1 SHA512 TLSH

          CSC8E7BD5AA805C4E8F9828D746C47828BD.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\CSC8E7BD5AA805C4E8F9828D746C47828BD.TMP
          • Size 1KB
          • SHA256 bd34fc804bcc189e1fd1b627b7285791b619377024dedd44186a5b1ad672befa
          • MD5 SHA1 SHA512 TLSH

          guardian_src_8f758d8141f84863a5b833ebb82db959.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_8f758d8141f84863a5b833ebb82db959.cs
          • Size 4KB
          • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/752-81-0x000000006FB50000-0x000000006FB9C000-memory.dmp

          memory/1744-20-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-25-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-19-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-1-0x00007FF9C2F3F000-0x00007FF9C2F40000-memory.dmp

          memory/1744-21-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-22-0x0000021D7DC70000-0x0000021D7DCAA000-memory.dmp

          memory/1744-15-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-17-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-14-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-16-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-13-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-11-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-18-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-7-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/1744-8-0x0000021D7D9E0000-0x0000021D7DA02000-memory.dmp

          memory/1744-10-0x00007FF9C2DB0000-0x00007FF9C3754000-memory.dmp

          memory/4432-26-0x0000000074162000-0x0000000074163000-memory.dmp

          memory/4432-109-0x0000000074150000-0x000000007490C000-memory.dmp

          memory/4432-114-0x0000000007770000-0x0000000007778000-memory.dmp

          memory/4432-113-0x00000000076B0000-0x000000000772C000-memory.dmp

          memory/4432-112-0x0000000007B70000-0x000000000812A000-memory.dmp

          memory/4432-111-0x0000000007510000-0x00000000075A2000-memory.dmp

          memory/4432-110-0x0000000074150000-0x000000007490C000-memory.dmp

          memory/4432-23-0x0000000000400000-0x000000000040E000-memory.dmp

          memory/4432-27-0x0000000005440000-0x00000000054DC000-memory.dmp

          memory/4432-96-0x0000000074162000-0x0000000074163000-memory.dmp

          memory/4432-126-0x0000000008480000-0x0000000008642000-memory.dmp

          memory/4592-125-0x0000000000160000-0x0000000000168000-memory.dmp

          memory/4624-58-0x00000000058E0000-0x0000000005C3B000-memory.dmp

          memory/4624-66-0x000000006FB50000-0x000000006FB9C000-memory.dmp

          memory/4836-97-0x000000006FB50000-0x000000006FB9C000-memory.dmp

          memory/5560-30-0x0000000005100000-0x0000000005122000-memory.dmp

          memory/5560-56-0x00000000075C0000-0x0000000007656000-memory.dmp

          memory/5560-55-0x00000000073C0000-0x00000000073CA000-memory.dmp

          memory/5560-53-0x0000000007990000-0x000000000800C000-memory.dmp

          memory/5560-54-0x0000000007350000-0x000000000736A000-memory.dmp

          memory/5560-52-0x0000000007210000-0x00000000072B3000-memory.dmp

          memory/5560-51-0x0000000006FB0000-0x0000000006FD0000-memory.dmp

          memory/5560-43-0x0000000006FD0000-0x0000000007006000-memory.dmp

          memory/5560-44-0x000000006FB50000-0x000000006FB9C000-memory.dmp

          memory/5560-42-0x0000000006010000-0x000000000605C000-memory.dmp

          memory/5560-41-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

          memory/5560-39-0x0000000005AD0000-0x0000000005E2B000-memory.dmp

          memory/5560-32-0x0000000005A60000-0x0000000005AC6000-memory.dmp

          memory/5560-31-0x00000000059F0000-0x0000000005A56000-memory.dmp

          memory/5560-29-0x00000000052F0000-0x000000000593A000-memory.dmp

          memory/5560-28-0x00000000027D0000-0x0000000002806000-memory.dmp