Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/07/2026, 16:03

General

  • Target
    PO-05870-MQ-05868-QTN-1000-04-2026-PR08586.js
  • Size 1.5MB
  • Sample260717-thnx7aay21
  • SHA256 9174fe7f2addfc20d8409a83eb3f5958a9c7b0ac86405929771a16a6ccabc921
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    00-00-0000

  • host_password

    Vd4_wKiUILWQ*tRY

  • host_port

    587

  • host_receiver

    [email protected]

  • host_sender

    [email protected]

  • host_server

    mail.trimnt.com

  • ssl_slate

    True

Signatures

  • Family: MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Drops startup file 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 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\PO-05870-MQ-05868-QTN-1000-04-2026-PR08586.js
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5000
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -NonInteractive -NoLogo -File "C:\Temp\ps_9dH7gUThL4si_1784304221650.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:5596
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:2328
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:5924
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:2212
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:5332
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                  • Accesses Microsoft Outlook profiles
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • outlook_office_path
                  • outlook_win_path
                  PID:2936
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              1⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5164

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  ps_9dH7gUThL4si_1784304221650.ps1

                  • Path C:\Temp\ps_9dH7gUThL4si_1784304221650.ps1
                  • Size 533KB
                  • SHA256 397681f1907581ec4587931389027e340207598695ce8312f83c0f7fdf75c488
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  ModuleAnalysisCache

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
                  • Size 67KB
                  • SHA256 9664b478a1e6f74892648d1f9d56900fe55e882d87f24e6b02f2ada2751e8f1c
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/2024-15-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-14-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-8-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-9-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-11-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-4-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-12-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-13-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-33-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-7-0x000001E07DBB0000-0x000001E07DBD2000-memory.dmp

                  memory/2024-16-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-17-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-37-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-21-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-22-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-23-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-24-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-25-0x000001E07DC70000-0x000001E07DC88000-memory.dmp

                  memory/2024-3-0x00007FF8CF880000-0x00007FF8D0224000-memory.dmp

                  memory/2024-2-0x00007FF8CFA0F000-0x00007FF8CFA10000-memory.dmp

                  memory/2936-29-0x0000000000400000-0x000000000041E000-memory.dmp

                  memory/2936-31-0x00000000059A0000-0x0000000005A3C000-memory.dmp

                  memory/2936-32-0x00000000069D0000-0x0000000006A20000-memory.dmp

                  memory/2936-30-0x0000000006080000-0x000000000663A000-memory.dmp

                  memory/2936-34-0x0000000006CF0000-0x0000000006EB2000-memory.dmp

                  memory/2936-35-0x0000000006BC0000-0x0000000006C52000-memory.dmp

                  memory/2936-36-0x0000000006B60000-0x0000000006B6A000-memory.dmp

                  memory/5164-20-0x000001C566C00000-0x000001C566C48000-memory.dmp