Analysis

  • max time kernel
    297s
  • max time network
    301s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 6 IoCs
  • Badlisted process makes network request 4 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 64 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\Agency_Appointment_MT_Griya_Bugis_Letter.js
    1⤵
    • Badlisted process makes network request
    • Checks computer location settings
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_Xh9ps6VAiPsO_1788455072437.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4024
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:1580
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:1164
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:760
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:4624
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:2056
                • 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⤵
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: MapViewOfSection
                    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:4284
                  • 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:2304
                  • 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:4040
                  • 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:4084
                  • 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:968
                  • 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:2504
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                      PID:3716
                    • 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:2420
                    • 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:1316
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                      3⤵
                        PID:540
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                          PID:4684
                        • 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:1480
                        • 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:1488
                        • 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:1860
                        • 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:3860
                        • 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:4168
                        • 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: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:3992
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          3⤵
                            PID:4212
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                            3⤵
                              PID:4904
                          • 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:5084
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe"
                              3⤵
                                PID:440
                              • C:\Program Files\Mozilla Firefox\Firefox.exe
                                "C:\Program Files\Mozilla Firefox\Firefox.exe"
                                3⤵
                                  PID:2836
                              • C:\Windows\System32\taskkill.exe
                                "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
                                2⤵
                                • Kills process with taskkill
                                • Suspicious use of AdjustPrivilegeToken
                                PID:5080
                            • 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:2352
                              • 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:4796

                                Network

                                      MITRE ATT&CK Enterprise v16

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      ps_Xh9ps6VAiPsO_1788455072437.ps1

                                      • Path C:\Temp\ps_Xh9ps6VAiPsO_1788455072437.ps1
                                      • Size 2.2MB
                                      • SHA256 cde92e9ca1dc1bfb35887ed5fb85f408c41059ff08f1815ac2d5196fa57fd1d0
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      __PSScriptPolicyTest_ak4wxt13.vy1.ps1

                                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ak4wxt13.vy1.ps1
                                      • Size 60B
                                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                      • MD5 SHA1 SHA512 TLSH

                                      memory/440-44-0x000001A61FE00000-0x000001A61FEA6000-memory.dmp

                                      memory/788-27-0x0000000000D00000-0x000000000187F000-memory.dmp

                                      memory/788-62-0x0000024B72870000-0x0000024B72946000-memory.dmp

                                      memory/788-36-0x0000024B72870000-0x0000024B72946000-memory.dmp

                                      memory/788-34-0x0000000000D00000-0x000000000187F000-memory.dmp

                                      memory/1880-32-0x0000000001690000-0x00000000016B4000-memory.dmp

                                      memory/1880-26-0x0000000001690000-0x00000000016B4000-memory.dmp

                                      memory/1880-31-0x0000000000990000-0x00000000009D6000-memory.dmp

                                      memory/1880-18-0x0000000000400000-0x0000000000446000-memory.dmp

                                      memory/1880-20-0x0000000000990000-0x00000000009D6000-memory.dmp

                                      memory/1880-29-0x0000000000990000-0x00000000009D6000-memory.dmp

                                      memory/1880-21-0x00000000012D0000-0x000000000161A000-memory.dmp

                                      memory/1880-22-0x0000000000990000-0x00000000009D6000-memory.dmp

                                      memory/1880-24-0x0000000000990000-0x00000000009D6000-memory.dmp

                                      memory/2836-51-0x000001CE2A200000-0x000001CE2A304000-memory.dmp

                                      memory/4024-14-0x000002B6E27E0000-0x000002B6E27E6000-memory.dmp

                                      memory/4024-4-0x000002B6E2610000-0x000002B6E2632000-memory.dmp

                                      memory/4024-23-0x000002B6FAD30000-0x000002B6FAD40000-memory.dmp

                                      memory/4024-15-0x000002B6FAD30000-0x000002B6FAD40000-memory.dmp

                                      memory/4024-2-0x000002B6FAD30000-0x000002B6FAD40000-memory.dmp

                                      memory/4024-19-0x000002B6FAD30000-0x000002B6FAD40000-memory.dmp

                                      memory/4024-59-0x000002B6D7560000-0x000002B6D7574000-memory.dmp

                                      memory/4024-1-0x000002B6FAD30000-0x000002B6FAD40000-memory.dmp

                                      memory/4024-17-0x000002B6E27F0000-0x000002B6E2804000-memory.dmp

                                      memory/4024-16-0x000002B6FAD30000-0x000002B6FAD40000-memory.dmp

                                      memory/4024-13-0x000002B6E27D0000-0x000002B6E27E4000-memory.dmp

                                      memory/4024-12-0x000002B6FAD30000-0x000002B6FAD40000-memory.dmp

                                      memory/4024-25-0x000002B6FAD30000-0x000002B6FAD40000-memory.dmp

                                      memory/5084-37-0x00000000005B0000-0x00000000005F3000-memory.dmp

                                      memory/5084-33-0x00000000005B0000-0x00000000005F3000-memory.dmp

                                      memory/5084-30-0x00000000005B0000-0x00000000005F3000-memory.dmp

                                      memory/5084-28-0x00000000005B0000-0x00000000005F3000-memory.dmp