Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/04/2026, 05:40

General

  • Target
    file27.js
  • Size 1.5MB
  • Sample260427-gdahsact41
  • SHA256 fca4414079dd2c991fced7febaa597556a8950e94c43a787f90e0ad3176f7eea
  • 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.

  • 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 3 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
  • 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.

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 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\file27.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:576
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_1bLsaEmj6ZvE_1777268451677.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2268
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:3556
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:2832
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:3100
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:2220
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:4044
                • 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:2164
              • C:\Windows\System32\taskkill.exe
                "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
                2⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:3184

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  ps_1bLsaEmj6ZvE_1777268451677.ps1

                  • Path C:\Temp\ps_1bLsaEmj6ZvE_1777268451677.ps1
                  • Size 1.1MB
                  • SHA256 6e9ea88a667df914e3164ae10b8c4893c925784326fb115cbc6acb5ce68e32f8
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  __PSScriptPolicyTest_aiou0iq4.itq.ps1

                  • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aiou0iq4.itq.ps1
                  • Size 60B
                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                  • MD5 SHA1 SHA512 TLSH

                  memory/576-49-0x0000018AF5800000-0x0000018AF589E000-memory.dmp

                  memory/576-19-0x0000018AF5800000-0x0000018AF589E000-memory.dmp

                  memory/576-20-0x0000018AF70A0000-0x0000018AF70AC000-memory.dmp

                  memory/2164-33-0x00000000072F0000-0x0000000007382000-memory.dmp

                  memory/2164-25-0x0000000005A40000-0x0000000005CCB000-memory.dmp

                  memory/2164-60-0x0000000005A40000-0x0000000005CCB000-memory.dmp

                  memory/2164-14-0x0000000000400000-0x0000000000448000-memory.dmp

                  memory/2164-15-0x0000000006400000-0x00000000069A6000-memory.dmp

                  memory/2164-16-0x0000000005CD0000-0x0000000005D6C000-memory.dmp

                  memory/2164-59-0x0000000005A40000-0x0000000005CCB000-memory.dmp

                  memory/2164-53-0x0000000005A40000-0x0000000005CCB000-memory.dmp

                  memory/2164-44-0x0000000005A40000-0x0000000005CCB000-memory.dmp

                  memory/2164-34-0x0000000007280000-0x000000000728A000-memory.dmp

                  memory/2164-27-0x0000000006EB0000-0x0000000006F00000-memory.dmp

                  memory/2164-26-0x0000000007080000-0x0000000007242000-memory.dmp

                  memory/2268-22-0x000001F032AE0000-0x000001F032AF2000-memory.dmp

                  memory/2268-23-0x000001F04B160000-0x000001F04B170000-memory.dmp

                  memory/2268-12-0x000001F032B30000-0x000001F032B3C000-memory.dmp

                  memory/2268-21-0x000001F032A30000-0x000001F032A3C000-memory.dmp

                  memory/2268-2-0x000001F04B160000-0x000001F04B170000-memory.dmp

                  memory/2268-9-0x000001F04B170000-0x000001F04B192000-memory.dmp

                  memory/2268-10-0x000001F04B160000-0x000001F04B170000-memory.dmp

                  memory/2268-1-0x000001F04B160000-0x000001F04B170000-memory.dmp

                  memory/2268-18-0x000001F04B160000-0x000001F04B170000-memory.dmp

                  memory/2268-17-0x000001F04B160000-0x000001F04B170000-memory.dmp

                  memory/2268-13-0x000001F04B150000-0x000001F04B158000-memory.dmp