Analysis

  • max time kernel
    299s
  • max time network
    143s
  • 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, 17:17

General

  • Target
    BANK_PAYMENT_RECEIPT_MT103.js
  • Size 2.9MB
  • Sample260903-vtv2basbra
  • SHA256 e3ca3a6b8a308747dfdf3e1b8cad46bbe8b850a265e0025f90cee069a50f66e0
  • 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 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • ConfuserEx .NET packer 2 IoCs

    Detects ConfuserEx .NET packer.

  • Suspicious use of SetThreadContext 19 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 63 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\BANK_PAYMENT_RECEIPT_MT103.js
    1⤵
    • Badlisted process makes network request
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_ygW2mpm9ULd4_1788455848799.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3844
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:2368
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          3⤵
            PID:4192
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            3⤵
              PID:5488
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              3⤵
                PID:4320
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                3⤵
                  PID:4276
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  3⤵
                    PID:1832
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    3⤵
                      PID:2952
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                      3⤵
                        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 use of SetThreadContext
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious behavior: MapViewOfSection
                        PID:3148
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        3⤵
                          PID:5396
                        • 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:2128
                        • 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:3632
                        • 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:3940
                        • 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:3140
                        • 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:5072
                        • 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:2716
                        • 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:4092
                        • 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:4136
                        • 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:4756
                        • 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:1944
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          3⤵
                            PID:3296
                          • 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:5972
                          • 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:1620
                          • 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:2312
                          • 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:3020
                        • 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:3240
                          • C:\Program Files\Mozilla Firefox\Firefox.exe
                            "C:\Program Files\Mozilla Firefox\Firefox.exe"
                            3⤵
                              PID:1236
                          • C:\Windows\System32\taskkill.exe
                            "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
                            2⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:4804

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              ps_ygW2mpm9ULd4_1788455848799.ps1

                              • Path C:\Temp\ps_ygW2mpm9ULd4_1788455848799.ps1
                              • Size 2.2MB
                              • SHA256 4a7f7061ebce6c4c089dfcdfa33f05a3f90aa7cebef216ba8f2a3cf289410846
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/1236-46-0x00000239521A0000-0x00000239522A5000-memory.dmp

                              memory/1468-28-0x0000000000BC0000-0x0000000003E66000-memory.dmp

                              memory/1468-36-0x000001922AA00000-0x000001922AAAF000-memory.dmp

                              memory/1468-35-0x0000000000BC0000-0x0000000003E66000-memory.dmp

                              memory/1468-58-0x000001922AA00000-0x000001922AAAF000-memory.dmp

                              memory/3148-31-0x0000000001530000-0x0000000001576000-memory.dmp

                              memory/3148-22-0x0000000000400000-0x0000000000446000-memory.dmp

                              memory/3148-26-0x0000000001530000-0x0000000001576000-memory.dmp

                              memory/3148-24-0x0000000001B40000-0x0000000001EB4000-memory.dmp

                              memory/3148-23-0x0000000001530000-0x0000000001576000-memory.dmp

                              memory/3240-32-0x0000000000360000-0x00000000003A3000-memory.dmp

                              memory/3240-30-0x0000000000360000-0x00000000003A3000-memory.dmp

                              memory/3844-11-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-12-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-18-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-19-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-20-0x000002D4A4C60000-0x000002D4A4C74000-memory.dmp

                              memory/3844-21-0x000002D4A4C70000-0x000002D4A4C76000-memory.dmp

                              memory/3844-16-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-15-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-14-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-13-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-27-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-17-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-29-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-1-0x00007FFBCBD6F000-0x00007FFBCBD70000-memory.dmp

                              memory/3844-10-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-8-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-33-0x000002D4A4CC0000-0x000002D4A4CD4000-memory.dmp

                              memory/3844-7-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-6-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-3-0x000002D4A4BF0000-0x000002D4A4C12000-memory.dmp

                              memory/3844-57-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp

                              memory/3844-2-0x00007FFBCBBE0000-0x00007FFBCC584000-memory.dmp