Analysis

  • max time kernel
    300s
  • max time network
    300s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/07/2026, 03:38

General

  • Target
    MB318767574AE.js
  • Size 2.2MB
  • Sample260724-d7bfdssale
  • SHA256 6ea2ff40cd1a42d2d58947809d059ff211c65dd66d2dd2059627f2d57d396a40
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 109.248.150.234:1012

Mutex
  • aGO284VKfQVe8Vup

Attributes
  • Install_directory

    %AppData%

  • install_file

    bin.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 to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 7 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\MB318767574AE.js
    1⤵
      PID:4824
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -Command "Invoke-Expression $env:forbiddingness"
      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:4064
      • 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
        • Drops startup file
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:552
        • 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:4796
        • 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:4156
        • 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\bin.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1996
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'bin.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2752
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "bin" /tr "C:\Users\Admin\AppData\Roaming\bin.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2908
        • 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_05af9e3888f040f993cb990ea3d4bfc0.cs"
          3⤵
          • System Binary Proxy Execution: Regsvcs/Regasm
          • Suspicious use of WriteProcessMemory
          PID:4288
          • 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\RES6C90.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCF40621B4D1F44A491128EB14870AD61.TMP"
            4⤵
              PID:564
          • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
            "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe" 552
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:536
      • C:\Windows\system32\conhost.exe
        conhost.exe
        1⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4500
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe
          2⤵
            PID:3652
        • C:\Users\Admin\AppData\Roaming\bin.exe
          C:\Users\Admin\AppData\Roaming\bin.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1428
        • C:\Users\Admin\AppData\Roaming\bin.exe
          C:\Users\Admin\AppData\Roaming\bin.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3268
        • C:\Users\Admin\AppData\Roaming\bin.exe
          C:\Users\Admin\AppData\Roaming\bin.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4948
        • C:\Users\Admin\AppData\Roaming\bin.exe
          C:\Users\Admin\AppData\Roaming\bin.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3296
        • C:\Users\Admin\AppData\Roaming\bin.exe
          C:\Users\Admin\AppData\Roaming\bin.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1524
        • C:\Users\Admin\AppData\Roaming\bin.exe
          C:\Users\Admin\AppData\Roaming\bin.exe
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2108

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              bin.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bin.exe.log
              • Size 42B
              • SHA256 d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b
              • MD5 SHA1 SHA512

              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 f2a4bca3356d5e1649a1846390b74df6a9a5db6f68759857283be51f59646c22
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 7d44fbecf7e3d24f6bb253fbe7e4fc46b04122285781812a619e7b89d2f6c54e
              • MD5 SHA1 SHA512 TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 18KB
              • SHA256 d01c9eb4022ce46c46d2fd4fd021a574297df2d5dd8caecd87b85a9b8c85f0ce
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 18KB
              • SHA256 2c77a2482ec004197c890fc5360889c6a43dc385c55f109ec5ff4d976502def5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              RES6C90.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES6C90.tmp
              • Size 1KB
              • SHA256 055b952561e700803dbe728d486453fe9949da3adff7ab8ec79705515184c919
              • MD5 SHA1 SHA512 TLSH

              RegAsm.exe

              • Path C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
              • Size 5KB
              • SHA256 528e94a4435f7dffdfc925f25559759f2033a7f1bd261a2ce9b06f785d835174
              • MD5 SHA1 SHA512 SSDEEP TLSH

              __PSScriptPolicyTest_h5jblqzd.p1a.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h5jblqzd.p1a.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              bin.exe

              • Path C:\Users\Admin\AppData\Roaming\bin.exe
              • Size 63KB
              • SHA256 c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc
              • MD5 SHA1 SHA512 SSDEEP TLSH

              CSCF40621B4D1F44A491128EB14870AD61.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\CSCF40621B4D1F44A491128EB14870AD61.TMP
              • Size 1KB
              • SHA256 bd34fc804bcc189e1fd1b627b7285791b619377024dedd44186a5b1ad672befa
              • MD5 SHA1 SHA512 TLSH

              guardian_src_05af9e3888f040f993cb990ea3d4bfc0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_05af9e3888f040f993cb990ea3d4bfc0.cs
              • Size 4KB
              • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/536-133-0x00000000000C0000-0x00000000000C8000-memory.dmp

              memory/552-16-0x0000000004E90000-0x0000000004F2C000-memory.dmp

              memory/552-119-0x0000000006BF0000-0x0000000007194000-memory.dmp

              memory/552-136-0x0000000007510000-0x00000000076D2000-memory.dmp

              memory/552-13-0x0000000000400000-0x0000000000410000-memory.dmp

              memory/552-118-0x00000000065A0000-0x0000000006632000-memory.dmp

              memory/552-121-0x00000000067E0000-0x00000000067E8000-memory.dmp

              memory/552-120-0x0000000006740000-0x00000000067BC000-memory.dmp

              memory/1428-116-0x00000000009C0000-0x00000000009D2000-memory.dmp

              memory/1996-83-0x0000000070590000-0x00000000705DC000-memory.dmp

              memory/1996-74-0x0000000005C30000-0x0000000005F84000-memory.dmp

              memory/2752-101-0x0000000070590000-0x00000000705DC000-memory.dmp

              memory/2752-98-0x0000000005610000-0x0000000005964000-memory.dmp

              memory/4064-12-0x00000298DC360000-0x00000298DC370000-memory.dmp

              memory/4064-0-0x00000298DC360000-0x00000298DC370000-memory.dmp

              memory/4064-11-0x00000298DC360000-0x00000298DC370000-memory.dmp

              memory/4064-10-0x00000298DC490000-0x00000298DC49A000-memory.dmp

              memory/4064-9-0x00000298F48D0000-0x00000298F4962000-memory.dmp

              memory/4064-1-0x00000298DC430000-0x00000298DC452000-memory.dmp

              memory/4156-65-0x0000000070590000-0x00000000705DC000-memory.dmp

              memory/4156-62-0x0000000006170000-0x00000000064C4000-memory.dmp

              memory/4796-26-0x0000000005BA0000-0x0000000005C06000-memory.dmp

              memory/4796-52-0x0000000007800000-0x0000000007808000-memory.dmp

              memory/4796-51-0x0000000007820000-0x000000000783A000-memory.dmp

              memory/4796-50-0x0000000007720000-0x0000000007734000-memory.dmp

              memory/4796-49-0x0000000007710000-0x000000000771E000-memory.dmp

              memory/4796-48-0x00000000076E0000-0x00000000076F1000-memory.dmp

              memory/4796-47-0x0000000007760000-0x00000000077F6000-memory.dmp

              memory/4796-46-0x0000000007550000-0x000000000755A000-memory.dmp

              memory/4796-45-0x00000000074E0000-0x00000000074FA000-memory.dmp

              memory/4796-44-0x0000000007B20000-0x000000000819A000-memory.dmp

              memory/4796-43-0x0000000007190000-0x0000000007233000-memory.dmp

              memory/4796-42-0x0000000006760000-0x000000000677E000-memory.dmp

              memory/4796-34-0x0000000070590000-0x00000000705DC000-memory.dmp

              memory/4796-33-0x00000000067A0000-0x00000000067D2000-memory.dmp

              memory/4796-32-0x00000000061F0000-0x000000000623C000-memory.dmp

              memory/4796-31-0x00000000061A0000-0x00000000061BE000-memory.dmp

              memory/4796-29-0x0000000005D10000-0x0000000006064000-memory.dmp

              memory/4796-20-0x0000000005B30000-0x0000000005B96000-memory.dmp

              memory/4796-19-0x0000000005100000-0x0000000005122000-memory.dmp

              memory/4796-18-0x0000000005390000-0x00000000059B8000-memory.dmp

              memory/4796-17-0x0000000002890000-0x00000000028C6000-memory.dmp