Analysis

  • max time kernel
    299s
  • max time network
    292s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/09/2026, 17:04

General

  • Target
    Agency_Appointment_MT_Griya_Bugis_Letter.js
  • Size 2.9MB
  • Sample260903-vlfxesae85
  • SHA256 b7de6647c4ef8606dbbdf967b66c4367d326e096f09bb2f6aea97b3bc9f1560f
  • 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 3 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Agency_Appointment_MT_Griya_Bugis_Letter.js
    1⤵
    • Badlisted process makes network request
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_GohSRUwokcvD_1788455073869.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1560
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:6364
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:716
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:420
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:6604
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:6580
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                    PID:2392
                  • 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:3596
                  • 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:3908
                  • 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:3648
                  • 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:2160
                  • 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:6592
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                      PID:6092
                    • 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:1152
                    • 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:4672
                    • 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:3012
                    • 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:5796
                    • 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:2672
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                      3⤵
                        PID:6844
                      • 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:3404
                      • 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:5124
                      • 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:6984
                      • 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:4356
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                          PID:252
                        • 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:1452
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          3⤵
                            PID:912
                          • 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\SysWOW64\gpresult.exe
                          "C:\Windows\SysWOW64\gpresult.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:5532
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                            3⤵
                              PID:2852
                            • C:\Program Files\Mozilla Firefox\Firefox.exe
                              "C:\Program Files\Mozilla Firefox\Firefox.exe"
                              3⤵
                                PID:3304
                            • C:\Windows\System32\taskkill.exe
                              "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
                              2⤵
                              • Kills process with taskkill
                              • Suspicious use of AdjustPrivilegeToken
                              PID:6948
                          • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
                            1⤵
                              PID:2328

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

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                                  Downloads

                                  ps_GohSRUwokcvD_1788455073869.ps1

                                  • Path C:\Temp\ps_GohSRUwokcvD_1788455073869.ps1
                                  • Size 2.2MB
                                  • SHA256 cde92e9ca1dc1bfb35887ed5fb85f408c41059ff08f1815ac2d5196fa57fd1d0
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  memory/1560-27-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-16-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-6-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-4-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-8-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-9-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-10-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-11-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-12-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-13-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-14-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-15-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-1-0x00007FFC623FF000-0x00007FFC62400000-memory.dmp

                                  memory/1560-17-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-18-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-19-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-20-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-21-0x0000022C36400000-0x0000022C36414000-memory.dmp

                                  memory/1560-22-0x0000022C36410000-0x0000022C36416000-memory.dmp

                                  memory/1560-23-0x0000022C36590000-0x0000022C365A4000-memory.dmp

                                  memory/1560-24-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-71-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-5-0x0000022C365A0000-0x0000022C365C2000-memory.dmp

                                  memory/1560-26-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-37-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-28-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-30-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-31-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-32-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-34-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-52-0x0000022C36680000-0x0000022C36694000-memory.dmp

                                  memory/1560-29-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-33-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/1560-35-0x00007FFC62270000-0x00007FFC62C14000-memory.dmp

                                  memory/2852-63-0x00000255E0ED0000-0x00000255E0FAC000-memory.dmp

                                  memory/3304-68-0x0000019660A70000-0x0000019660B92000-memory.dmp

                                  memory/3596-25-0x0000000000400000-0x0000000000446000-memory.dmp

                                  memory/3596-43-0x0000000001400000-0x0000000001446000-memory.dmp

                                  memory/3596-38-0x00000000017E0000-0x0000000001B54000-memory.dmp

                                  memory/3596-36-0x0000000001400000-0x0000000001446000-memory.dmp

                                  memory/3596-40-0x0000000001400000-0x0000000001446000-memory.dmp

                                  memory/4632-47-0x000001E845580000-0x000001E845638000-memory.dmp

                                  memory/4632-41-0x0000000000150000-0x00000000030AC000-memory.dmp

                                  memory/4632-46-0x0000000000150000-0x00000000030AC000-memory.dmp

                                  memory/4632-72-0x000001E845580000-0x000001E845638000-memory.dmp

                                  memory/5532-42-0x0000000000F00000-0x0000000000F43000-memory.dmp

                                  memory/5532-44-0x0000000000F00000-0x0000000000F43000-memory.dmp