Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 09:16

General

  • Target
    PO-097909-0969-08-2026-QTN200-09768.js
  • Size 823KB
  • Sample260804-k8rbkagf94
  • SHA256 c9efef37449a114244510810c8c5d6feb25d24d163fb16aab8ea2568af02171d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.spacaex.com

  • Port

    587

  • Password

    uO;HAxW8XQ#UMjMv

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    00-00-0000

  • host_password

    uO;HAxW8XQ#UMjMv

  • host_port

    587

  • host_receiver

    [email protected]

  • host_sender

    [email protected]

  • host_server

    mail.spacaex.com

  • ssl_slate

    True

Signatures

  • Family: MassLogger

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

  • Badlisted process makes network request 7 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 TTPs 2 IoCs

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

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 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-097909-0969-08-2026-QTN200-09768.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Windows\System32\conhost.exe
      "C:\Windows\System32\conhost.exe" --headless conhost.exe --headless cmd.exe /c "echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('BaG90B6uKGcxHSy','Process'))| powershell.exe -w H -NOp -NONI -"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3588
      • C:\Windows\System32\conhost.exe
        conhost.exe --headless cmd.exe /c "echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('BaG90B6uKGcxHSy','Process'))| powershell.exe -w H -NOp -NONI -"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4160
        • C:\Windows\System32\cmd.exe
          cmd.exe /c "echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('BaG90B6uKGcxHSy','Process'))| powershell.exe -w H -NOp -NONI -"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:2584
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo $ExecutionContext.InvokeCommand.InvokeScript([Environment]::GetEnvironmentVariable('BaG90B6uKGcxHSy','Process'))"
            5⤵
              PID:3216
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell.exe -w H -NOp -NONI -
              5⤵
              • Badlisted process makes network request
              • Registers new Windows logon scripts automatically executed at logon.
              • Accesses Microsoft Outlook profiles
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • outlook_office_path
              • outlook_win_path
              PID:1596

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1596-0-0x00007FFF84B0F000-0x00007FFF84B10000-memory.dmp

          memory/1596-1-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-2-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-5-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-6-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-7-0x0000023DAFD10000-0x0000023DAFD32000-memory.dmp

          memory/1596-8-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-9-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-10-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-11-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-12-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-13-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-14-0x0000023DC8930000-0x0000023DC8AD6000-memory.dmp

          memory/1596-15-0x0000023DAFD50000-0x0000023DAFDA6000-memory.dmp

          memory/1596-16-0x0000023DAD540000-0x0000023DAD55E000-memory.dmp

          memory/1596-17-0x0000023DAD3E0000-0x0000023DAD50F000-memory.dmp

          memory/1596-18-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

          memory/1596-25-0x0000023DAD3E0000-0x0000023DAD50F000-memory.dmp

          memory/1596-29-0x0000023DC8180000-0x0000023DC81D0000-memory.dmp

          memory/1596-30-0x0000023DAD3E0000-0x0000023DAD50F000-memory.dmp

          memory/1596-31-0x0000023DC8CB0000-0x0000023DC8E72000-memory.dmp

          memory/1596-32-0x0000023DAD3E0000-0x0000023DAD50F000-memory.dmp