Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 06:03

General

  • Target
    MB321883405AE.js
  • Size 239KB
  • Sample260819-gr96kaen2x
  • SHA256 173b77f1dcd92e85897552c2e66591d8bca664e0f1147a80cf5f2b75a9f2511e
  • 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
  • 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.

  • 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 4 IoCs
  • 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 11 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 64 IoCs
  • Suspicious use of WriteProcessMemory 16 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\MB321883405AE.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoP -EP Bypass -NonInteractive -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\xsx6wavq\cfg_99698_51c7.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5348
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\nnbba1mj\nnbba1mj.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:700
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESCA3C.tmp" "c:\Users\Admin\AppData\Local\Temp\nnbba1mj\CSCD5D250E04A834ED1B8366026C5FBF77F.TMP"
          4⤵
            PID:2316
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          3⤵
          • Creates a file in the Startup directory
          • 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:4312
          • 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\MSBuild.exe'
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4036
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MSBuild.exe'
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:840
          • 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'
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5324
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'bin.exe'
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:1168
          • 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"
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1756
          • 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\MSBuild.exe" "C:\Users\Admin\AppData\Local\Temp\guardian_src_dc92245943524ccd94c09b13a42df044.cs"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4588
            • 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\RES3605.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC355CD70614B84C9194A51DE7C3BEEB.TMP"
              5⤵
                PID:5444
            • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
              "C:\Users\Admin\AppData\Local\Temp\MSBuild.exe" 4312
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:5820
      • 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:3856
      • 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:2640
      • 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:4580

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 19KB
            • SHA256 23997c8dfa0695071605d8f2a760272852bfc98a3a396ca4fbc5930430233c39
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 21KB
            • SHA256 3e4de42e9643a8f7879697a53f0241838ffc46efdb60ff029ed0c95b6f7f6ed2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 21KB
            • SHA256 d7cd86e372aa68468eecd3ac3287142cc2772c630e17f18e23c5b4a270491221
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 21KB
            • SHA256 fd21789f423fbaab909900b3324ed9d1ac56b069a2caf0ba4c4a41ae9eac6c10
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSBuild.exe

            • Path C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
            • Size 5KB
            • SHA256 cd70971a3b3a6b4f93599843345d1f9de53823b66051510cf290a017042fa153
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RES3605.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES3605.tmp
            • Size 1KB
            • SHA256 5337f49c2d03f1d83696b57b3425a1ae79d393dbe59cd08e7a4728dbea712623
            • MD5 SHA1 SHA512 TLSH

            RESCA3C.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RESCA3C.tmp
            • Size 1KB
            • SHA256 8ef1dbdb078d6578bee81e55fc44e47e8b7ca1642eccd0e83741bb737728433d
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_1p5rlmwl.t1c.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1p5rlmwl.t1c.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            nnbba1mj.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nnbba1mj\nnbba1mj.dll
            • Size 3KB
            • SHA256 e2515b56dde2389b8f266ac5115a25eeb7104818a6b090de9d776a9944de490e
            • MD5 SHA1 SHA512 TLSH

            cfg_99698_51c7.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\xsx6wavq\cfg_99698_51c7.ps1
            • Size 68KB
            • SHA256 55d68f8d59fa33b02bc83890c27cb586abab256a62ef67e4f1cbb4ee6c136ee3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\bin.exe
            • Size 249KB
            • SHA256 151d0125c20cdde578d02de3f2a56eb904870a887bb7f1c59bf61471da231916
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSC355CD70614B84C9194A51DE7C3BEEB.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\CSC355CD70614B84C9194A51DE7C3BEEB.TMP
            • Size 1KB
            • SHA256 a50a6f311d400c946c1444ca8be5df32c74461ece7f9e3b2b69446225a4d633c
            • MD5 SHA1 SHA512 TLSH

            guardian_src_dc92245943524ccd94c09b13a42df044.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_dc92245943524ccd94c09b13a42df044.cs
            • Size 4KB
            • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSCD5D250E04A834ED1B8366026C5FBF77F.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\nnbba1mj\CSCD5D250E04A834ED1B8366026C5FBF77F.TMP
            • Size 652B
            • SHA256 7306bd828a01376e9b5933eba0a7c29f4f6ad78003d3a8ebfadacf6f2bd43856
            • MD5 SHA1 SHA512 TLSH

            nnbba1mj.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\nnbba1mj\nnbba1mj.0.cs
            • Size 342B
            • SHA256 6e7c584ab6a22978c7d48d0eb70f3e9cc9fc9d7b41314e78d6ad3e95efc376ea
            • MD5 SHA1 SHA512 TLSH

            nnbba1mj.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\nnbba1mj\nnbba1mj.cmdline
            • Size 369B
            • SHA256 56370b000fc3908ef0235f0ba1fcb9ae7fbc313bbb73bd3eaaa1daa00bf4ccef
            • MD5 SHA1 SHA512 TLSH

            memory/840-56-0x00000000703B0000-0x00000000703FC000-memory.dmp

            memory/840-54-0x0000000005FB0000-0x000000000630B000-memory.dmp

            memory/1168-70-0x0000000005BC0000-0x0000000005F1B000-memory.dmp

            memory/1168-72-0x00000000703B0000-0x00000000703FC000-memory.dmp

            memory/3856-83-0x00000000054B0000-0x00000000054CA000-memory.dmp

            memory/3856-82-0x0000000000B70000-0x0000000000BB0000-memory.dmp

            memory/3856-84-0x0000000005680000-0x00000000057DA000-memory.dmp

            memory/4036-45-0x00000000703B0000-0x00000000703FC000-memory.dmp

            memory/4036-48-0x0000000007570000-0x0000000007590000-memory.dmp

            memory/4036-50-0x0000000007750000-0x000000000775A000-memory.dmp

            memory/4036-49-0x0000000007630000-0x00000000076D3000-memory.dmp

            memory/4036-44-0x0000000007530000-0x0000000007566000-memory.dmp

            memory/4036-43-0x0000000006930000-0x000000000697C000-memory.dmp

            memory/4312-87-0x00000000076B0000-0x00000000076B8000-memory.dmp

            memory/4312-86-0x0000000007610000-0x000000000768C000-memory.dmp

            memory/4312-33-0x0000000000400000-0x0000000000410000-memory.dmp

            memory/4312-34-0x0000000005360000-0x00000000053FC000-memory.dmp

            memory/4312-99-0x00000000083E0000-0x00000000085A2000-memory.dmp

            memory/4312-85-0x0000000007470000-0x0000000007502000-memory.dmp

            memory/5324-64-0x00000000703B0000-0x00000000703FC000-memory.dmp

            memory/5324-62-0x0000000005780000-0x0000000005ADB000-memory.dmp

            memory/5348-17-0x00000000073B0000-0x00000000073CA000-memory.dmp

            memory/5348-13-0x0000000006260000-0x00000000062AC000-memory.dmp

            memory/5348-37-0x0000000008670000-0x0000000008C2A000-memory.dmp

            memory/5348-36-0x00000000074E0000-0x0000000007502000-memory.dmp

            memory/5348-35-0x0000000007550000-0x00000000075E6000-memory.dmp

            memory/5348-32-0x0000000007440000-0x0000000007448000-memory.dmp

            memory/5348-31-0x0000000007430000-0x0000000007438000-memory.dmp

            memory/5348-18-0x0000000007400000-0x0000000007416000-memory.dmp

            memory/5348-1-0x0000000074972000-0x0000000074973000-memory.dmp

            memory/5348-16-0x0000000007A30000-0x00000000080AC000-memory.dmp

            memory/5348-15-0x0000000074960000-0x000000007511C000-memory.dmp

            memory/5348-39-0x0000000074960000-0x000000007511C000-memory.dmp

            memory/5348-12-0x00000000061E0000-0x00000000061FE000-memory.dmp

            memory/5348-11-0x0000000005D80000-0x00000000060DB000-memory.dmp

            memory/5348-7-0x00000000054A0000-0x0000000005506000-memory.dmp

            memory/5348-8-0x0000000005B60000-0x0000000005BC6000-memory.dmp

            memory/5348-6-0x0000000005400000-0x0000000005422000-memory.dmp

            memory/5348-5-0x0000000074960000-0x000000007511C000-memory.dmp

            memory/5348-4-0x0000000005510000-0x0000000005B5A000-memory.dmp

            memory/5348-3-0x0000000074960000-0x000000007511C000-memory.dmp

            memory/5348-2-0x0000000004D00000-0x0000000004D36000-memory.dmp

            memory/5820-98-0x00000000003F0000-0x00000000003F8000-memory.dmp