Analysis

  • max time kernel
    149s
  • max time network
    109s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/07/2026, 17:10

General

  • Target
    d91d2ac9fd07419f0c502f17e30adc89507a78118aceff3e756aa52ebcd1397a.js
  • Size 3.0MB
  • Sample260724-vpylmsvarc
  • SHA256 d91d2ac9fd07419f0c502f17e30adc89507a78118aceff3e756aa52ebcd1397a
  • 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
  • Suspicious use of SetThreadContext 20 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
  • Views/modifies file attributes 1 TTPs 1 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\d91d2ac9fd07419f0c502f17e30adc89507a78118aceff3e756aa52ebcd1397a.js
    1⤵
    • Badlisted process makes network request
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5320
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_ba6w2NA3dzMb_1784913036687.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5296
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:2384
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:2756
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:248
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:300
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:244
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                    PID:4636
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                      PID:3444
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                      3⤵
                        PID:612
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                          PID:1928
                        • 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:6088
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          3⤵
                            PID:3856
                          • 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:5060
                          • 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:4324
                          • 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:6108
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                            3⤵
                              PID:2768
                            • 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:3440
                            • 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:4280
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                              3⤵
                                PID:5836
                              • 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:3340
                              • 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:1880
                              • 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:1984
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                3⤵
                                  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⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4116
                                • 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:1380
                                • 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:3108
                                • 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:772
                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                  3⤵
                                    PID:4524
                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                    3⤵
                                      PID:4748
                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                      3⤵
                                        PID:2284
                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                        3⤵
                                          PID:4948
                                      • C:\Windows\SysWOW64\attrib.exe
                                        "C:\Windows\SysWOW64\attrib.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
                                        • Views/modifies file attributes
                                        • outlook_office_path
                                        PID:3332
                                        • C:\Program Files\Mozilla Firefox\Firefox.exe
                                          "C:\Program Files\Mozilla Firefox\Firefox.exe"
                                          3⤵
                                            PID:4632
                                        • C:\Windows\System32\taskkill.exe
                                          "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
                                          2⤵
                                          • Kills process with taskkill
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:5476
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k GPSvcGroup
                                        1⤵
                                          PID:1356

                                        Network

                                              MITRE ATT&CK Enterprise v16

                                              Replay Monitor

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                                              Downloads

                                              ps_ba6w2NA3dzMb_1784913036687.ps1

                                              • Path C:\Temp\ps_ba6w2NA3dzMb_1784913036687.ps1
                                              • Size 2.2MB
                                              • SHA256 995e4aaa9a9b4739385ea4160bedd899adeee4d4f14b8652b30854a897a4250d
                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                              memory/3332-32-0x0000000000C00000-0x0000000000C43000-memory.dmp

                                              memory/3332-30-0x0000000000C00000-0x0000000000C43000-memory.dmp

                                              memory/4632-46-0x0000024968020000-0x000002496810F000-memory.dmp

                                              memory/5296-19-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-6-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-10-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-9-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-11-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-12-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-13-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-14-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-15-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-16-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-17-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-18-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-1-0x00007FFDF088F000-0x00007FFDF0890000-memory.dmp

                                              memory/5296-20-0x00000155CB3F0000-0x00000155CB408000-memory.dmp

                                              memory/5296-22-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-57-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-24-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-4-0x00000155CB230000-0x00000155CB252000-memory.dmp

                                              memory/5296-5-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-26-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5296-8-0x00007FFDF0700000-0x00007FFDF10A4000-memory.dmp

                                              memory/5320-29-0x0000000000AD0000-0x0000000002367000-memory.dmp

                                              memory/5320-34-0x0000000000AD0000-0x0000000002367000-memory.dmp

                                              memory/5320-35-0x0000020A0DA80000-0x0000020A0DBA4000-memory.dmp

                                              memory/5320-58-0x0000020A0DA80000-0x0000020A0DBA4000-memory.dmp

                                              memory/6088-28-0x0000000000C50000-0x0000000000C95000-memory.dmp

                                              memory/6088-31-0x0000000000C50000-0x0000000000C95000-memory.dmp

                                              memory/6088-27-0x00000000012E0000-0x0000000001654000-memory.dmp

                                              memory/6088-25-0x0000000000C50000-0x0000000000C95000-memory.dmp

                                              memory/6088-23-0x0000000000400000-0x0000000000445000-memory.dmp