Analysis

  • max time kernel
    300s
  • max time network
    299s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    14/08/2026, 16:07

General

  • Target
    MB320843298AE.js
  • Size 207KB
  • Sample260814-tkrrvsel5s
  • SHA256 07f832fec18520e00fd3366300677edebd045585873aee8c19c6a51148854429
  • 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.

  • Checks computer location settings 2 TTPs 2 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 7 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 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 14 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 WriteProcessMemory 17 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\MB320843298AE.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4140
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\s42a7mf3\dat_21022_4063.vbs"
      2⤵
      • Checks computer location settings
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:60
      • 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\s42a7mf3\tmp_98541_4024.ps1"
        3⤵
        • 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:3368
        • 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\vxu4bkfz\vxu4bkfz.cmdline"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1476
          • 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\RES3236.tmp" "c:\Users\Admin\AppData\Local\Temp\vxu4bkfz\CSC87B61FC2E8224935AC5441D63966FA0.TMP"
            5⤵
              PID:4372
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
            • 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:4948
            • 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'
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4304
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MSBuild.exe'
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1788
            • 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'
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2440
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'bin.exe'
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:736
            • 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"
              5⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:2288
            • 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_7dd1b17615024f37b2d98d47bbf77634.cs"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4080
              • 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\RES88F2.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC9FC8F5993A0440F2AB644F5662323AC3.TMP"
                6⤵
                  PID:5068
              • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
                "C:\Users\Admin\AppData\Local\Temp\MSBuild.exe" 4948
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4472
      • 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:3300
      • 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:3228
      • 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:3048
      • 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:4304
      • 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:2116
      • 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:4652

      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 841B
            • SHA256 ff981780f37479af6a428dd121eef68cf6e0b471ae92f080893a55320cc993f7
            • MD5 SHA1 SHA512 TLSH

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 7f036b1837d205690b992027eb8b81939ba0228fc296d3f30039eeba00bd4476
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 94ca44d976c2042cec4a01adc68d6ea397f4e5bb4014bc5f9af54081a072818c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 afcadc6f5eb624819e6613219e33adbc9fb8f0c17e2a9bb61c3cf99ed0fe7f31
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 19KB
            • SHA256 e9f0e26180b84521dca7c131bc0e8f2e3cf0f644acf75d018bd9bb0273ac6287
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 6b71dc30bd9b8663f132eaa6aa8593dd74ec8335f589d31a34a675716d577801
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSBuild.exe

            • Path C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
            • Size 5KB
            • SHA256 59ceabcffcae4bb8a677cf306e6ef0c999e95adf21f64b8bd1c9e6d0fdb4f02f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RES3236.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES3236.tmp
            • Size 1KB
            • SHA256 e748059e9daf9ae0cd97795a1f4e363ff207c33070bd7c18ddffde628067aa55
            • MD5 SHA1 SHA512 TLSH

            RES88F2.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES88F2.tmp
            • Size 1KB
            • SHA256 90c70df2c2221ecffcfbd1f5712217b1ddc50385930164f8e1e42f5154fd17f4
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_sj2y53lj.apb.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sj2y53lj.apb.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            dat_21022_4063.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\s42a7mf3\dat_21022_4063.vbs
            • Size 228B
            • SHA256 a10384e3cba88a79245cfa63944218de437a8514d0c9a0657079623b23ead2d6
            • MD5 SHA1 SHA512 TLSH

            tmp_98541_4024.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\s42a7mf3\tmp_98541_4024.ps1
            • Size 68KB
            • SHA256 ce6a456d37ea55c067a361f2cf6c98c824fde8ae57ceaacd66cd142724bdfecc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vxu4bkfz.dll

            • Path C:\Users\Admin\AppData\Local\Temp\vxu4bkfz\vxu4bkfz.dll
            • Size 3KB
            • SHA256 a53cc5c5fdf1aac9efea3bc5c0ef799d6f1a6d93c5429f0654b2fde0b918f5b2
            • MD5 SHA1 SHA512 TLSH

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\bin.exe
            • Size 256KB
            • SHA256 ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSC9FC8F5993A0440F2AB644F5662323AC3.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\CSC9FC8F5993A0440F2AB644F5662323AC3.TMP
            • Size 1KB
            • SHA256 a50a6f311d400c946c1444ca8be5df32c74461ece7f9e3b2b69446225a4d633c
            • MD5 SHA1 SHA512 TLSH

            guardian_src_7dd1b17615024f37b2d98d47bbf77634.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_7dd1b17615024f37b2d98d47bbf77634.cs
            • Size 4KB
            • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSC87B61FC2E8224935AC5441D63966FA0.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\vxu4bkfz\CSC87B61FC2E8224935AC5441D63966FA0.TMP
            • Size 652B
            • SHA256 e7379004f0a809ce66162fc1c90d9484359ef72ef831dff7b81bacd113e07c3f
            • MD5 SHA1 SHA512 TLSH

            vxu4bkfz.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\vxu4bkfz\vxu4bkfz.0.cs
            • Size 342B
            • SHA256 6e7c584ab6a22978c7d48d0eb70f3e9cc9fc9d7b41314e78d6ad3e95efc376ea
            • MD5 SHA1 SHA512 TLSH

            vxu4bkfz.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\vxu4bkfz\vxu4bkfz.cmdline
            • Size 369B
            • SHA256 4c30a9bba2892b84601f46d01b25be245c430d6860a640429a93574092a1f2f4
            • MD5 SHA1 SHA512 TLSH

            memory/736-119-0x0000000005720000-0x0000000005A74000-memory.dmp

            memory/736-123-0x00000000708F0000-0x000000007093C000-memory.dmp

            memory/1788-81-0x0000000005850000-0x0000000005BA4000-memory.dmp

            memory/1788-94-0x0000000007390000-0x00000000073A4000-memory.dmp

            memory/1788-93-0x0000000007340000-0x0000000007351000-memory.dmp

            memory/1788-84-0x00000000708F0000-0x000000007093C000-memory.dmp

            memory/1788-92-0x0000000007080000-0x0000000007123000-memory.dmp

            memory/1788-83-0x0000000005ED0000-0x0000000005F1C000-memory.dmp

            memory/2440-105-0x00000000708B0000-0x00000000708FC000-memory.dmp

            memory/2440-103-0x00000000061B0000-0x0000000006504000-memory.dmp

            memory/3300-138-0x0000000000710000-0x0000000000750000-memory.dmp

            memory/3300-140-0x0000000005100000-0x000000000525A000-memory.dmp

            memory/3300-139-0x0000000004EC0000-0x0000000004EDA000-memory.dmp

            memory/3368-8-0x0000000005200000-0x0000000005266000-memory.dmp

            memory/3368-36-0x0000000007130000-0x0000000007138000-memory.dmp

            memory/3368-6-0x00000000052B0000-0x00000000058D8000-memory.dmp

            memory/3368-7-0x0000000004F60000-0x0000000004F82000-memory.dmp

            memory/3368-4-0x0000000002630000-0x0000000002666000-memory.dmp

            memory/3368-3-0x0000000004C70000-0x0000000004C80000-memory.dmp

            memory/3368-23-0x0000000007120000-0x0000000007136000-memory.dmp

            memory/3368-21-0x0000000007900000-0x0000000007F7A000-memory.dmp

            memory/3368-18-0x0000000005F30000-0x0000000005F4E000-memory.dmp

            memory/3368-5-0x0000000004C70000-0x0000000004C80000-memory.dmp

            memory/3368-9-0x00000000058E0000-0x0000000005946000-memory.dmp

            memory/3368-19-0x0000000005F60000-0x0000000005FAC000-memory.dmp

            memory/3368-22-0x00000000064E0000-0x00000000064FA000-memory.dmp

            memory/3368-42-0x0000000007F80000-0x0000000008524000-memory.dmp

            memory/3368-41-0x00000000071E0000-0x0000000007202000-memory.dmp

            memory/3368-40-0x0000000007280000-0x0000000007316000-memory.dmp

            memory/3368-17-0x0000000005950000-0x0000000005CA4000-memory.dmp

            memory/3368-37-0x0000000007150000-0x0000000007158000-memory.dmp

            memory/4304-70-0x0000000007F90000-0x0000000007FA4000-memory.dmp

            memory/4304-65-0x0000000007B80000-0x0000000007B9E000-memory.dmp

            memory/4304-55-0x0000000006EC0000-0x0000000006F0C000-memory.dmp

            memory/4304-46-0x0000000006350000-0x00000000066A4000-memory.dmp

            memory/4304-72-0x0000000007FC0000-0x0000000007FC8000-memory.dmp

            memory/4304-71-0x0000000007FD0000-0x0000000007FEA000-memory.dmp

            memory/4304-69-0x0000000007F80000-0x0000000007F8E000-memory.dmp

            memory/4304-68-0x0000000007F20000-0x0000000007F31000-memory.dmp

            memory/4304-67-0x0000000007DC0000-0x0000000007DCA000-memory.dmp

            memory/4304-56-0x0000000007BA0000-0x0000000007BD2000-memory.dmp

            memory/4304-57-0x00000000708B0000-0x00000000708FC000-memory.dmp

            memory/4304-66-0x0000000007BF0000-0x0000000007C93000-memory.dmp

            memory/4472-156-0x0000000000710000-0x0000000000718000-memory.dmp

            memory/4948-144-0x0000000006A20000-0x0000000006A28000-memory.dmp

            memory/4948-38-0x0000000000400000-0x0000000000410000-memory.dmp

            memory/4948-143-0x0000000006980000-0x00000000069FC000-memory.dmp

            memory/4948-142-0x00000000067E0000-0x0000000006872000-memory.dmp

            memory/4948-157-0x0000000007750000-0x0000000007912000-memory.dmp

            memory/4948-39-0x00000000050F0000-0x000000000518C000-memory.dmp