Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 19:06

General

  • Target
    nsecured_stub.ps1
  • Size 794KB
  • Sample260720-xsd3hsd18s
  • SHA256 bc7493c7253c423bba4e1bd4790fb1a2c6517e7424d8553cdf4a96552a99a91f
  • 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.

  • Looks up external IP address via web service 1 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: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\nsecured_stub.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
        PID:1364
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        2⤵
          PID:4928
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          2⤵
            PID:5664
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            2⤵
              PID:3392
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              2⤵
                PID:5844
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                2⤵
                  PID:624
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3556

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    memory/3556-20-0x0000000000400000-0x000000000041E000-memory.dmp

                    memory/3556-28-0x0000000074360000-0x0000000074B1C000-memory.dmp

                    memory/3556-24-0x0000000074360000-0x0000000074B1C000-memory.dmp

                    memory/3556-23-0x0000000005A10000-0x0000000005AAC000-memory.dmp

                    memory/3556-22-0x0000000005F30000-0x00000000064EA000-memory.dmp

                    memory/3556-21-0x0000000074372000-0x0000000074373000-memory.dmp

                    memory/4816-8-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-17-0x0000017F40830000-0x0000017F40848000-memory.dmp

                    memory/4816-10-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-11-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-12-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-13-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-14-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-15-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-16-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-9-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-18-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-19-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-0-0x00007FF914D7F000-0x00007FF914D80000-memory.dmp

                    memory/4816-7-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-6-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-5-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-4-0x0000017F40860000-0x0000017F40882000-memory.dmp

                    memory/4816-26-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-27-0x00007FF914BF0000-0x00007FF915594000-memory.dmp

                    memory/4816-3-0x00007FF914BF0000-0x00007FF915594000-memory.dmp