Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 20:06

General

  • Target
    RFQ-26EOGT1326.js
  • Size 1.8MB
  • Sample260723-yvle2sda48
  • SHA256 74907691b45180b173f18e6a100b2b074bb57ca3486e9a0529f50f97ed5748f5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    00-00-0000

  • host_password

    Zs5s*QVx(4yLLl*1

  • 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 2 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 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\RFQ-26EOGT1326.js
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3144
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -NonInteractive -NoLogo -File "C:\Temp\ps_EPcXYmRlsFYq_1784837188876.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4116
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:4892
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:4704
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:1980
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:3348
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:5876
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                    PID:3204
                  • 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:1864
              • 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:5188

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    ps_EPcXYmRlsFYq_1784837188876.ps1

                    • Path C:\Temp\ps_EPcXYmRlsFYq_1784837188876.ps1
                    • Size 628KB
                    • SHA256 faedce662e1ed9ba3efcdf97eee029ac59f9abaccc5dc9a088dbd56d7a19b1cd
                    • 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/1864-23-0x0000000000400000-0x000000000041E000-memory.dmp

                    memory/1864-36-0x0000000006850000-0x000000000685A000-memory.dmp

                    memory/1864-35-0x0000000006AB0000-0x0000000006B42000-memory.dmp

                    memory/1864-34-0x00000000068E0000-0x0000000006AA2000-memory.dmp

                    memory/1864-33-0x00000000065C0000-0x0000000006610000-memory.dmp

                    memory/1864-25-0x00000000057B0000-0x000000000584C000-memory.dmp

                    memory/1864-24-0x0000000005D70000-0x000000000632A000-memory.dmp

                    memory/4116-28-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-10-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-15-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-16-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-17-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-5-0x000001E66D020000-0x000001E66D042000-memory.dmp

                    memory/4116-22-0x000001E66D010000-0x000001E66D018000-memory.dmp

                    memory/4116-21-0x000001E66CFD0000-0x000001E66CFDC000-memory.dmp

                    memory/4116-13-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-12-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-11-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-27-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-2-0x00007FFA3798F000-0x00007FFA37990000-memory.dmp

                    memory/4116-14-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-31-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-32-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-9-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-8-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/4116-6-0x00007FFA37800000-0x00007FFA381A4000-memory.dmp

                    memory/5188-20-0x0000025BEC690000-0x0000025BEC6D8000-memory.dmp