Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 05:09

General

  • Target
    28052026_0504_stub.ps1
  • Size 2.2MB
  • Sample260528-fta9ksht2w
  • SHA256 8aa910ce2a90b5fcbba9fab0d1adced17d8043c1cba09621cac2c3b6f7347472
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 8 IoCs
  • Badlisted process makes network request 6 IoCs

    Network request originating from process or tool commonly abused by malware.

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

    Detects ConfuserEx .NET packer.

  • Suspicious use of SetThreadContext 32 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\28052026_0504_stub.ps1
    1⤵
    • Badlisted process makes network request
    • Suspicious use of SetThreadContext
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
        PID:4200
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        2⤵
          PID:4004
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          2⤵
            PID:4172
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            2⤵
              PID:4136
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              2⤵
                PID:4176
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                2⤵
                  PID:4584
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                  2⤵
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: MapViewOfSection
                  PID:5056
                • C:\Windows\SysWOW64\winrs.exe
                  "C:\Windows\SysWOW64\winrs.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:3848
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe"
                    3⤵
                      PID:4620
                    • C:\Program Files\Mozilla Firefox\Firefox.exe
                      "C:\Program Files\Mozilla Firefox\Firefox.exe"
                      3⤵
                        PID:3152
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                      2⤵
                        PID:792
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:1344
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4048
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4864
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:2736
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        2⤵
                          PID:580
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3068
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3052
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          2⤵
                          • 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"
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4844
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2752
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2524
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3176
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:240
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          2⤵
                            PID:3788
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3044
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4336
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3200
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                            2⤵
                            • 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"
                            2⤵
                              PID:2004
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                              2⤵
                                PID:1304
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                2⤵
                                  PID:5036
                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                  2⤵
                                    PID:4596
                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                    2⤵
                                      PID:2440
                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                      2⤵
                                        PID:2416
                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                        2⤵
                                          PID:3908
                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                          2⤵
                                            PID:568
                                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                            2⤵
                                              PID:4080
                                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                              2⤵
                                                PID:1032
                                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                2⤵
                                                  PID:3856
                                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                  2⤵
                                                    PID:4732
                                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                    2⤵
                                                      PID:4860
                                                  • 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:2296
                                                    • 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:3220

                                                      Network

                                                            MITRE ATT&CK Enterprise v16

                                                            Replay Monitor

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                                                            Downloads

                                                            __PSScriptPolicyTest_jfkp4ikw.twf.ps1

                                                            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jfkp4ikw.twf.ps1
                                                            • Size 60B
                                                            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                                            • MD5 SHA1 SHA512 TLSH

                                                            memory/1344-32-0x0000000000AF0000-0x0000000000B36000-memory.dmp

                                                            memory/1344-31-0x0000000001080000-0x00000000013D6000-memory.dmp

                                                            memory/3152-55-0x0000024946B10000-0x0000024946BE7000-memory.dmp

                                                            memory/3848-40-0x0000000000F00000-0x0000000000FA3000-memory.dmp

                                                            memory/3848-34-0x0000000000F00000-0x0000000000FA3000-memory.dmp

                                                            memory/3848-33-0x0000000000550000-0x0000000000594000-memory.dmp

                                                            memory/3848-22-0x0000000000550000-0x0000000000594000-memory.dmp

                                                            memory/3848-29-0x0000000000550000-0x0000000000594000-memory.dmp

                                                            memory/3848-28-0x0000000001080000-0x00000000013D6000-memory.dmp

                                                            memory/3848-23-0x0000000000550000-0x0000000000594000-memory.dmp

                                                            memory/4048-39-0x0000000001960000-0x0000000001CB6000-memory.dmp

                                                            memory/4048-38-0x0000000001330000-0x0000000001376000-memory.dmp

                                                            memory/4620-47-0x00000226FA540000-0x00000226FA605000-memory.dmp

                                                            memory/4744-35-0x000002BBB1A60000-0x000002BBB1B76000-memory.dmp

                                                            memory/4744-10-0x000002BBA9620000-0x000002BBA9634000-memory.dmp

                                                            memory/4744-1-0x000002BB8D920000-0x000002BB8D930000-memory.dmp

                                                            memory/4744-48-0x000002BB8D870000-0x000002BB8D884000-memory.dmp

                                                            memory/4744-2-0x000002BBA95B0000-0x000002BBA95D2000-memory.dmp

                                                            memory/4744-42-0x000002BBB1A60000-0x000002BBB1B76000-memory.dmp

                                                            memory/4744-9-0x000002BB8D920000-0x000002BB8D930000-memory.dmp

                                                            memory/4744-11-0x000002BBA9630000-0x000002BBA9636000-memory.dmp

                                                            memory/4744-36-0x000002BBB1A60000-0x000002BBB1B76000-memory.dmp

                                                            memory/4744-0-0x000002BB8D920000-0x000002BB8D930000-memory.dmp

                                                            memory/4744-17-0x000002BB8D920000-0x000002BB8D930000-memory.dmp

                                                            memory/4744-14-0x000002BB8D920000-0x000002BB8D930000-memory.dmp

                                                            memory/4744-12-0x000002BB8D920000-0x000002BB8D930000-memory.dmp

                                                            memory/5056-16-0x0000000001030000-0x0000000001076000-memory.dmp

                                                            memory/5056-15-0x0000000000400000-0x0000000000446000-memory.dmp

                                                            memory/5056-18-0x0000000001600000-0x0000000001956000-memory.dmp

                                                            memory/5056-21-0x0000000004E20000-0x0000000004E44000-memory.dmp

                                                            memory/5056-26-0x0000000001030000-0x0000000001076000-memory.dmp

                                                            memory/5056-27-0x0000000004E20000-0x0000000004E44000-memory.dmp

                                                            memory/5056-25-0x0000000001030000-0x0000000001076000-memory.dmp

                                                            memory/5056-19-0x0000000001030000-0x0000000001076000-memory.dmp

                                                            memory/5056-20-0x0000000001030000-0x0000000001076000-memory.dmp