Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/04/2026, 09:28

General

  • Target
    Keller.ps1
  • Size 1.4MB
  • Sample260428-lfg3vsfx4w
  • SHA256 5c5fd3501c142aee580270869bdfa10af7e94fa89086fe8b12666c0580428d57
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Formbook

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

  • Formbook payload 7 IoCs
  • Badlisted process makes network request 25 IoCs

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

  • Suspicious use of SetThreadContext 33 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

Processes

  • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Keller.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:4560
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
        PID:3164
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        2⤵
          PID:3536
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          2⤵
            PID:2948
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            2⤵
              PID:2996
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              2⤵
                PID:3000
              • 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:3076
              • C:\Windows\SysWOW64\TCPSVCS.EXE
                "C:\Windows\SysWOW64\TCPSVCS.EXE"
                2⤵
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of WriteProcessMemory
                PID:2888
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe"
                  3⤵
                    PID:3400
                  • C:\Program Files\Mozilla Firefox\Firefox.exe
                    "C:\Program Files\Mozilla Firefox\Firefox.exe"
                    3⤵
                      PID:2428
                  • 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:3664
                  • 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:784
                  • 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:2868
                  • 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:2404
                  • 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:324
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                    2⤵
                      PID:1532
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                      2⤵
                        PID:1640
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                        2⤵
                          PID:2956
                        • 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:2028
                        • 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:3660
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                          2⤵
                            PID:4932
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                            2⤵
                              PID:3816
                            • 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:980
                            • 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:1720
                            • 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:1084
                            • 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:2940
                            • 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:380
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                              2⤵
                                PID:232
                              • 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⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:628
                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                2⤵
                                  PID:1132
                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                  2⤵
                                    PID:4716
                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                    2⤵
                                      PID:2452
                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                      2⤵
                                        PID:2876
                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                        2⤵
                                          PID:3104
                                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                          2⤵
                                            PID:2324
                                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                            2⤵
                                              PID:1604
                                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                              2⤵
                                                PID:1516
                                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                2⤵
                                                  PID:1504
                                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                  2⤵
                                                    PID:4948
                                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                    2⤵
                                                      PID:4068
                                                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                      2⤵
                                                        PID:2044
                                                      • 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⤵
                                                            PID:3520
                                                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                            2⤵
                                                              PID:3940
                                                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                              2⤵
                                                                PID:4356
                                                              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                                2⤵
                                                                  PID:3260
                                                                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                                  2⤵
                                                                    PID:3900
                                                                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
                                                                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
                                                                    2⤵
                                                                      PID:2908
                                                                  • 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:844
                                                                    • 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:1200

                                                                      Network

                                                                            MITRE ATT&CK Enterprise v16

                                                                            Replay Monitor

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                                                                            Downloads

                                                                            __PSScriptPolicyTest_h2pyqaio.tij.ps1

                                                                            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h2pyqaio.tij.ps1
                                                                            • Size 60B
                                                                            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                                                            • MD5 SHA1 SHA512 TLSH

                                                                            memory/784-45-0x00000000018C0000-0x0000000001C16000-memory.dmp

                                                                            memory/2428-71-0x000002AECE1D0000-0x000002AECE2A6000-memory.dmp

                                                                            memory/2868-49-0x00000000011C0000-0x0000000001516000-memory.dmp

                                                                            memory/2888-37-0x0000000001150000-0x00000000011F4000-memory.dmp

                                                                            memory/2888-25-0x0000000000A20000-0x0000000000A63000-memory.dmp

                                                                            memory/2888-60-0x0000000005AC0000-0x0000000005BBE000-memory.dmp

                                                                            memory/2888-31-0x0000000000A20000-0x0000000000A63000-memory.dmp

                                                                            memory/2888-26-0x0000000000A20000-0x0000000000A63000-memory.dmp

                                                                            memory/2888-46-0x0000000001150000-0x00000000011F4000-memory.dmp

                                                                            memory/2888-36-0x0000000000A20000-0x0000000000A63000-memory.dmp

                                                                            memory/2888-30-0x0000000001250000-0x00000000015A6000-memory.dmp

                                                                            memory/3076-17-0x0000000001000000-0x0000000001046000-memory.dmp

                                                                            memory/3076-16-0x0000000001600000-0x0000000001956000-memory.dmp

                                                                            memory/3076-19-0x0000000001000000-0x0000000001046000-memory.dmp

                                                                            memory/3076-20-0x0000000001590000-0x00000000015B5000-memory.dmp

                                                                            memory/3076-29-0x0000000001590000-0x00000000015B5000-memory.dmp

                                                                            memory/3076-12-0x0000000000400000-0x0000000000446000-memory.dmp

                                                                            memory/3076-15-0x0000000001000000-0x0000000001046000-memory.dmp

                                                                            memory/3076-28-0x0000000001000000-0x0000000001046000-memory.dmp

                                                                            memory/3400-58-0x000001D903000000-0x000001D9030FB000-memory.dmp

                                                                            memory/3664-35-0x0000000000AC0000-0x0000000000B06000-memory.dmp

                                                                            memory/3664-34-0x0000000000FA0000-0x00000000012F6000-memory.dmp

                                                                            memory/3664-33-0x0000000000AC0000-0x0000000000B06000-memory.dmp

                                                                            memory/4560-18-0x00000269FBD00000-0x00000269FBD10000-memory.dmp

                                                                            memory/4560-39-0x00000269FDFC0000-0x00000269FE095000-memory.dmp

                                                                            memory/4560-10-0x00000269FDCF0000-0x00000269FDCFC000-memory.dmp

                                                                            memory/4560-23-0x00000269FDB70000-0x00000269FDC5A000-memory.dmp

                                                                            memory/4560-24-0x00000269FD5E0000-0x00000269FD5F2000-memory.dmp

                                                                            memory/4560-22-0x00000269FBD50000-0x00000269FBD58000-memory.dmp

                                                                            memory/4560-1-0x00000269FBD00000-0x00000269FBD10000-memory.dmp

                                                                            memory/4560-38-0x00000269FDFC0000-0x00000269FE095000-memory.dmp

                                                                            memory/4560-21-0x00000269FBCF0000-0x00000269FBCFC000-memory.dmp

                                                                            memory/4560-9-0x00000269FBD00000-0x00000269FBD10000-memory.dmp

                                                                            memory/4560-13-0x00000269FBD00000-0x00000269FBD10000-memory.dmp

                                                                            memory/4560-48-0x00000269FDFC0000-0x00000269FE095000-memory.dmp

                                                                            memory/4560-2-0x00000269FDD00000-0x00000269FDD22000-memory.dmp

                                                                            memory/4560-14-0x00000269FBD00000-0x00000269FBD10000-memory.dmp

                                                                            memory/4560-11-0x00000269FDF90000-0x00000269FDF98000-memory.dmp

                                                                            memory/4560-0-0x00000269FBD00000-0x00000269FBD10000-memory.dmp