Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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 5 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 1 IoCs
  • ConfuserEx .NET packer 2 IoCs

    Detects ConfuserEx .NET packer.

  • Suspicious use of SetThreadContext 21 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 7 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
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3720
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_72Trtu5VOOFl_1786939654803.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5500
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:5788
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:4824
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:3416
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:5412
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:5964
                • 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:1696
                • 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:5852
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                    PID:4960
                  • 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:1204
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                      PID:5416
                    • 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:3244
                    • 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:1076
                    • 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:5720
                    • 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:3624
                    • 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:5676
                    • 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:5684
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                      3⤵
                        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⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1408
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                          PID:5984
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          3⤵
                            PID:5976
                          • 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:5712
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                            3⤵
                              PID:5044
                            • 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:3432
                            • 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:1792
                            • 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:696
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                              3⤵
                                PID:2888
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                3⤵
                                  PID:708
                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                  3⤵
                                    PID:3436
                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                    3⤵
                                      PID:2084
                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                      3⤵
                                        PID:5080
                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                        3⤵
                                          PID:2772
                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                          3⤵
                                            PID:4540
                                        • 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:2232
                                          • C:\Program Files\Mozilla Firefox\Firefox.exe
                                            "C:\Program Files\Mozilla Firefox\Firefox.exe"
                                            3⤵
                                              PID:2848
                                          • C:\Windows\System32\taskkill.exe
                                            "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
                                            2⤵
                                            • Kills process with taskkill
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:4792

                                        Network

                                              MITRE ATT&CK Enterprise v16

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              ps_72Trtu5VOOFl_1786939654803.ps1

                                              • Path C:\Temp\ps_72Trtu5VOOFl_1786939654803.ps1
                                              • Size 2.2MB
                                              • SHA256 3077b8f89ba1ac1bc0ddefac3d13cb501bbd4a9226b26a7a6dbd6205cf67e14e
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              memory/1696-29-0x00000000013F0000-0x0000000001413000-memory.dmp

                                              memory/1696-25-0x0000000000E80000-0x0000000000EC6000-memory.dmp

                                              memory/1696-24-0x0000000000400000-0x0000000000446000-memory.dmp

                                              memory/1696-26-0x0000000001470000-0x00000000017E4000-memory.dmp

                                              memory/1696-36-0x0000000000E80000-0x0000000000EC6000-memory.dmp

                                              memory/1696-27-0x0000000000E80000-0x0000000000EC6000-memory.dmp

                                              memory/1696-28-0x0000000000E80000-0x0000000000EC6000-memory.dmp

                                              memory/2232-37-0x0000000000D80000-0x0000000000DC3000-memory.dmp

                                              memory/2232-34-0x0000000000D80000-0x0000000000DC3000-memory.dmp

                                              memory/2848-51-0x0000021587770000-0x000002158785A000-memory.dmp

                                              memory/3720-40-0x00000165ABAF0000-0x00000165ABBE5000-memory.dmp

                                              memory/3720-30-0x0000000000B70000-0x0000000001BC8000-memory.dmp

                                              memory/3720-39-0x0000000000B70000-0x0000000001BC8000-memory.dmp

                                              memory/3720-64-0x00000165ABAF0000-0x00000165ABBE5000-memory.dmp

                                              memory/5500-12-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-13-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-20-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-21-0x0000020E65EC0000-0x0000020E65ED4000-memory.dmp

                                              memory/5500-22-0x0000020E65ED0000-0x0000020E65ED6000-memory.dmp

                                              memory/5500-23-0x0000020E65EE0000-0x0000020E65EF4000-memory.dmp

                                              memory/5500-18-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-17-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-16-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-15-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-14-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-19-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-1-0x00007FFC8095F000-0x00007FFC80960000-memory.dmp

                                              memory/5500-31-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-33-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-11-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-35-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-10-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-9-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-8-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-6-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-4-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-63-0x00007FFC807D0000-0x00007FFC81174000-memory.dmp

                                              memory/5500-5-0x0000020E4D910000-0x0000020E4D932000-memory.dmp