Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 7 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:1628
  • 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\radC07E2.tmp.ps1'; Remove-Item -LiteralPath 'C:\Users\Admin\AppData\Local\Temp\radC07E2.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:3236
    • 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
      • Checks computer location settings
      • 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:3744
      • 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:2356
      • 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:1336
      • 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:3232
      • 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
        • Suspicious use of AdjustPrivilegeToken
        PID:1936
      • 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_a67ab1a19c784fdc9aa2d8098553eeaa.cs"
        3⤵
        • System Binary Proxy Execution: Regsvcs/Regasm
        • Suspicious use of WriteProcessMemory
        PID:2136
        • 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\RES9A28.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCCD10398B80489F92DF59999BCF2DC6.TMP"
          4⤵
            PID:1836
        • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
          "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe" 3744
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4680

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 e35a8f0adae91f2828438e9878a1bbcba1393b1178907eb12fecd057b0e89f18
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 c621483debce1f4fc6a89ecf6000841caee152222e9e3f97434352f88b099e0d
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 6ba876f880777bd758d8af40bbbcc318c5d879adf216f075bc31031b33c79740
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 2f499103d3f67ddeac0c2b5bcea3d703e87dfb283a49a7b8d8c60e0d0929a9e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RES9A28.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES9A28.tmp
          • Size 1KB
          • SHA256 1a2dfff79c4e0f7362a758da866f553408448a765f7f4e17a4b22b1477ba1277
          • MD5 SHA1 SHA512 TLSH

          RegAsm.exe

          • Path C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
          • Size 5KB
          • SHA256 a6f0e94210aed4293be3a4a160fee9dd233e3072df104869828181b6d740d495
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_x02icdlb.zuy.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x02icdlb.zuy.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          radC07E2.tmp.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\radC07E2.tmp.ps1
          • Size 1KB
          • SHA256 df71efa9915460ac3e12e7351def6f03690abf02370acfdd68de8522b4c7207a
          • MD5 SHA1 SHA512 TLSH

          CSCCD10398B80489F92DF59999BCF2DC6.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\CSCCD10398B80489F92DF59999BCF2DC6.TMP
          • Size 1KB
          • SHA256 bd34fc804bcc189e1fd1b627b7285791b619377024dedd44186a5b1ad672befa
          • MD5 SHA1 SHA512 TLSH

          guardian_src_a67ab1a19c784fdc9aa2d8098553eeaa.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_a67ab1a19c784fdc9aa2d8098553eeaa.cs
          • Size 4KB
          • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1336-66-0x00000000705D0000-0x000000007061C000-memory.dmp

          memory/1336-64-0x0000000006140000-0x0000000006494000-memory.dmp

          memory/1936-99-0x00000000058A0000-0x0000000005BF4000-memory.dmp

          memory/1936-101-0x00000000705D0000-0x000000007061C000-memory.dmp

          memory/2356-21-0x0000000005620000-0x0000000005686000-memory.dmp

          memory/2356-22-0x0000000005D00000-0x0000000005D66000-memory.dmp

          memory/2356-33-0x0000000006470000-0x00000000064BC000-memory.dmp

          memory/2356-43-0x00000000069E0000-0x00000000069FE000-memory.dmp

          memory/2356-35-0x00000000705D0000-0x000000007061C000-memory.dmp

          memory/2356-34-0x00000000073F0000-0x0000000007422000-memory.dmp

          memory/2356-44-0x0000000007630000-0x00000000076D3000-memory.dmp

          memory/2356-45-0x0000000007D90000-0x000000000840A000-memory.dmp

          memory/2356-46-0x0000000007750000-0x000000000776A000-memory.dmp

          memory/2356-47-0x00000000077C0000-0x00000000077CA000-memory.dmp

          memory/2356-48-0x00000000079D0000-0x0000000007A66000-memory.dmp

          memory/2356-49-0x0000000007950000-0x0000000007961000-memory.dmp

          memory/2356-50-0x0000000007980000-0x000000000798E000-memory.dmp

          memory/2356-51-0x0000000007990000-0x00000000079A4000-memory.dmp

          memory/2356-52-0x0000000007A90000-0x0000000007AAA000-memory.dmp

          memory/2356-53-0x0000000007A70000-0x0000000007A78000-memory.dmp

          memory/2356-30-0x0000000005EF0000-0x0000000006244000-memory.dmp

          memory/2356-32-0x0000000006420000-0x000000000643E000-memory.dmp

          memory/2356-18-0x0000000002B30000-0x0000000002B66000-memory.dmp

          memory/2356-20-0x0000000005480000-0x00000000054A2000-memory.dmp

          memory/2356-19-0x00000000056D0000-0x0000000005CF8000-memory.dmp

          memory/3232-83-0x00000000705D0000-0x000000007061C000-memory.dmp

          memory/3236-13-0x00000189ED7F0000-0x00000189ED82A000-memory.dmp

          memory/3236-2-0x00000189D1350000-0x00000189D1360000-memory.dmp

          memory/3236-1-0x00000189D1350000-0x00000189D1360000-memory.dmp

          memory/3236-3-0x00000189ED2A0000-0x00000189ED2C2000-memory.dmp

          memory/3236-12-0x00000189D1350000-0x00000189D1360000-memory.dmp

          memory/3744-14-0x0000000000400000-0x000000000040E000-memory.dmp

          memory/3744-117-0x00000000069B0000-0x00000000069B8000-memory.dmp

          memory/3744-116-0x0000000006930000-0x00000000069AC000-memory.dmp

          memory/3744-115-0x0000000006EE0000-0x0000000007484000-memory.dmp

          memory/3744-114-0x0000000006890000-0x0000000006922000-memory.dmp

          memory/3744-17-0x0000000005050000-0x00000000050EC000-memory.dmp

          memory/3744-130-0x00000000076C0000-0x0000000007882000-memory.dmp

          memory/4680-129-0x0000000000E50000-0x0000000000E58000-memory.dmp