Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/08/2026, 04:07

General

  • Target
    NYMPH_THETIS_MAIN_VSL_PARTICULARSpdf.js
  • Size 3.0MB
  • Sample260817-epwt2sshmf
  • SHA256 9e3076097c99e0fef6b7bc23763e8af3e8f2e605340d760dc48323cbe1b35e54
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 4 IoCs
  • Badlisted process makes network request 3 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • ConfuserEx .NET packer 3 IoCs

    Detects ConfuserEx .NET packer.

  • Suspicious use of SetThreadContext 22 IoCs
  • 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
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 61 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\NYMPH_THETIS_MAIN_VSL_PARTICULARSpdf.js
    1⤵
    • Badlisted process makes network request
    • Checks computer location settings
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4908
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_GvLwtYtUvMSF_1786939653108.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:1104
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:2596
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:5068
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:5064
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:4988
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: MapViewOfSection
                  PID:4772
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2272
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1492
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3968
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4432
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2804
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                    PID:3420
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1776
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4800
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4216
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1336
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3168
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                      PID:1244
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                      3⤵
                        PID:2616
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1564
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1848
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:2480
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:3448
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4696
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1276
                    • C:\Windows\SysWOW64\SearchProtocolHost.exe
                      "C:\Windows\SysWOW64\SearchProtocolHost.exe"
                      2⤵
                      • Accesses Microsoft Outlook profiles
                      • Suspicious use of SetThreadContext
                      • System Location Discovery: System Language Discovery
                      • Modifies Internet Explorer settings
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: MapViewOfSection
                      • Suspicious use of WriteProcessMemory
                      • outlook_office_path
                      PID:724
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe"
                        3⤵
                          PID:4204
                        • C:\Program Files\Mozilla Firefox\Firefox.exe
                          "C:\Program Files\Mozilla Firefox\Firefox.exe"
                          3⤵
                            PID:1656
                        • C:\Windows\System32\taskkill.exe
                          "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
                          2⤵
                          • Kills process with taskkill
                          • Suspicious use of AdjustPrivilegeToken
                          PID:4084
                      • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                        1⤵
                          PID:4000
                        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                          1⤵
                            PID:3392

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                ps_GvLwtYtUvMSF_1786939653108.ps1

                                • Path C:\Temp\ps_GvLwtYtUvMSF_1786939653108.ps1
                                • Size 2.2MB
                                • SHA256 3077b8f89ba1ac1bc0ddefac3d13cb501bbd4a9226b26a7a6dbd6205cf67e14e
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                __PSScriptPolicyTest_uvqpmick.3wp.ps1

                                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uvqpmick.3wp.ps1
                                • Size 60B
                                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                • MD5 SHA1 SHA512 TLSH

                                memory/724-26-0x0000000000190000-0x00000000001D3000-memory.dmp

                                memory/724-28-0x0000000000190000-0x00000000001D3000-memory.dmp

                                memory/1656-47-0x00000268DE5E0000-0x00000268DE6F1000-memory.dmp

                                memory/2696-14-0x000002557C570000-0x000002557C576000-memory.dmp

                                memory/2696-23-0x0000025579790000-0x00000255797A0000-memory.dmp

                                memory/2696-2-0x0000025579790000-0x00000255797A0000-memory.dmp

                                memory/2696-15-0x0000025579790000-0x00000255797A0000-memory.dmp

                                memory/2696-17-0x0000025579790000-0x00000255797A0000-memory.dmp

                                memory/2696-16-0x0000025579790000-0x00000255797A0000-memory.dmp

                                memory/2696-18-0x000002557C5B0000-0x000002557C5C4000-memory.dmp

                                memory/2696-1-0x0000025579790000-0x00000255797A0000-memory.dmp

                                memory/2696-41-0x0000025579710000-0x0000025579724000-memory.dmp

                                memory/2696-3-0x000002557BE70000-0x000002557BE92000-memory.dmp

                                memory/2696-12-0x0000025579790000-0x00000255797A0000-memory.dmp

                                memory/2696-13-0x00000255799A0000-0x00000255799B4000-memory.dmp

                                memory/2696-25-0x0000025579790000-0x00000255797A0000-memory.dmp

                                memory/4204-39-0x0000012D45E10000-0x0000012D45F08000-memory.dmp

                                memory/4772-22-0x0000000000B20000-0x0000000000B66000-memory.dmp

                                memory/4772-27-0x0000000000B20000-0x0000000000B66000-memory.dmp

                                memory/4772-21-0x0000000000EE0000-0x000000000122A000-memory.dmp

                                memory/4772-20-0x0000000000B20000-0x0000000000B66000-memory.dmp

                                memory/4772-19-0x0000000000400000-0x0000000000446000-memory.dmp

                                memory/4908-24-0x0000000000310000-0x0000000003133000-memory.dmp

                                memory/4908-30-0x0000000000310000-0x0000000003133000-memory.dmp

                                memory/4908-31-0x00000265D3F50000-0x00000265D400C000-memory.dmp

                                memory/4908-56-0x00000265D3F50000-0x00000265D400C000-memory.dmp