Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/10/2026, 18:28

General

  • Target
    secured_stub.ps1
  • Size 1.2MB
  • Sample261002-w4kh1axyft
  • SHA256 395a80be300c5071cd724635ad13adea2d97d9a02fe48fec294d45ff486bbec1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • vipkeylogger

Credentials
C2
  • https://api.telegram.org/bot8099843793:AAGeYKMLti1IpyT9o6bz7OtgdXF9md25uXA/sendMessage?chat_id=6337180137

Signatures

  • Family: VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 TTPs 11 IoCs

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

  • ConfuserEx .NET packer 3 IoCs

    Detects ConfuserEx .NET packer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\secured_stub.ps1
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
      2⤵
        PID:4820
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
        2⤵
          PID:1572
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
          2⤵
            PID:4476
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
            2⤵
              PID:2900
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
              2⤵
                PID:3576
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
                2⤵
                • Accesses Microsoft Outlook profiles
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • outlook_office_path
                • outlook_win_path
                PID:4556

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  __PSScriptPolicyTest_ts21fl2o.1pt.ps1

                  • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ts21fl2o.1pt.ps1
                  • Size 60B
                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                  • MD5 SHA1 SHA512 TLSH

                  memory/1072-21-0x000001EB4ADC0000-0x000001EB4ADD0000-memory.dmp

                  memory/1072-20-0x000001EB4ADC0000-0x000001EB4ADD0000-memory.dmp

                  memory/1072-1-0x000001EB4ADC0000-0x000001EB4ADD0000-memory.dmp

                  memory/1072-0-0x000001EB4ADC0000-0x000001EB4ADD0000-memory.dmp

                  memory/1072-11-0x000001EB32740000-0x000001EB32754000-memory.dmp

                  memory/1072-12-0x000001EB327B0000-0x000001EB327B6000-memory.dmp

                  memory/1072-13-0x000001EB4ADC0000-0x000001EB4ADD0000-memory.dmp

                  memory/1072-14-0x000001EB32920000-0x000001EB32934000-memory.dmp

                  memory/1072-7-0x000001EB32760000-0x000001EB32782000-memory.dmp

                  memory/1072-18-0x000001EB4ADC0000-0x000001EB4ADD0000-memory.dmp

                  memory/1072-10-0x000001EB4ADC0000-0x000001EB4ADD0000-memory.dmp

                  memory/1072-19-0x000001EB4ADC0000-0x000001EB4ADD0000-memory.dmp

                  memory/4556-17-0x0000000004F00000-0x0000000004F9C000-memory.dmp

                  memory/4556-15-0x0000000000400000-0x0000000000448000-memory.dmp

                  memory/4556-16-0x00000000054B0000-0x0000000005A54000-memory.dmp

                  memory/4556-22-0x00000000061F0000-0x00000000063B2000-memory.dmp

                  memory/4556-23-0x0000000006090000-0x00000000060E0000-memory.dmp

                  memory/4556-24-0x00000000064C0000-0x0000000006552000-memory.dmp

                  memory/4556-25-0x00000000061E0000-0x00000000061EA000-memory.dmp