Analysis

  • max time kernel
    151s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/10/2026, 18:26

General

  • Target
    install.2.0.02.exe
  • Size 34.6MB
  • Sample261022-w3ddasbb66
  • SHA256 a767d33bf9d56afaacc2ddfb6267e3db3a8b28c4f3eb1bafaafb2d76b32d437e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 5 IoCs

    Clear artifacts associated with previously established persistence like scheduletasks on a host.

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 23 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\install.2.0.02.exe
    "C:\Users\Admin\AppData\Local\Temp\install.2.0.02.exe"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    PID:5216
  • C:\Users\Public\CK2bRo\PkpjRf.exe
    "C:\Users\Public\CK2bRo\PkpjRf.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\ProgramData','C:\Users','C:\Program Files (x86)','C:\' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4996
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\CK2bRo\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
      2⤵
      • Indicator Removal: Clear Persistence
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\CK2bRo\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4904
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:3036
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:3440
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
          2⤵
          • Indicator Removal: Clear Persistence
          • Suspicious use of WriteProcessMemory
          PID:2092
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:3088
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:5492
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:4732
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
              2⤵
              • Indicator Removal: Clear Persistence
              • Suspicious use of WriteProcessMemory
              PID:2404
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"
                3⤵
                • Scheduled Task/Job: Scheduled Task
                PID:420
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:5780
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:2344
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
                  2⤵
                  • Indicator Removal: Clear Persistence
                  • Suspicious use of WriteProcessMemory
                  PID:5500
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f"
                    3⤵
                    • Scheduled Task/Job: Scheduled Task
                    PID:2488
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:2644
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:3660
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"%USERPROFILE%\Documents\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
                      2⤵
                      • Indicator Removal: Clear Persistence
                      • Suspicious use of WriteProcessMemory
                      PID:4392
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Admin\Documents\" /t REG_DWORD /d 0 /f"
                        3⤵
                        • Scheduled Task/Job: Scheduled Task
                        PID:2116
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:4896
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:3916
                      • C:\Users\Public\CK2bRo\PkpjRf.exe
                        "C:\Users\Public\CK2bRo\PkpjRf.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:3672
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\CK2bRo" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:3728
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\CK2bRo" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:5860
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:6032
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:3528
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:3060

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97
                              • Size 1KB
                              • SHA256 48cedd4e59ccff60789c15f0339ab478677887e5b2706051b4c37e62e34875b5
                              • MD5 SHA1 SHA512 TLSH

                              B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6
                              • Size 1KB
                              • SHA256 ad872a3500f8420dce30a40bf17a9fc0647d7c5d771d4a18c42b3e12479128c2
                              • MD5 SHA1 SHA512 TLSH

                              0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97
                              • Size 512B
                              • SHA256 6003d6c52909f0dfe6f1a7ebb6e9dcd3fb8e4f87e88f9486624959eb3d41eb3b
                              • MD5 SHA1 SHA512 TLSH

                              B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6
                              • Size 506B
                              • SHA256 0cef64c647d5d58c1fdf70c307b7801e9fc66531fe53bf377cac2881e96cc5e4
                              • MD5 SHA1 SHA512 TLSH

                              __PSScriptPolicyTest_jp3v0s5k.jp2.psm1

                              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jp3v0s5k.jp2.psm1
                              • Size 60B
                              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                              • MD5 SHA1 SHA512 TLSH

                              PkpjRf.exe

                              • Path C:\Users\Public\CK2bRo\PkpjRf.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              UxEnhance64.dll

                              • Path C:\Users\Public\CK2bRo\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 9318e083fa6baa17776ef06ec127a73e1ac58d684b149c9e1802b91f49a67a28
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\CK2bRo\adoresd.dat
                              • Size 4.8MB
                              • SHA256 609d8bd6caa50dcd58f553122720d631fc0ad54c72f258b0502fbddb129968d1
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\CK2bRo\msadox.tb
                              • Size 8KB
                              • SHA256 538e72b3b631a30a7b7b667e9ae41a79d26618b15d4028b067c13d33ca6c1f02
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/3672-582-0x000002C956770000-0x000002C957047000-memory.dmp

                              memory/3672-587-0x000002C956770000-0x000002C957047000-memory.dmp

                              memory/3672-586-0x000002C956770000-0x000002C957047000-memory.dmp

                              memory/3672-581-0x00007FFDBA340000-0x00007FFDBA342000-memory.dmp

                              memory/3672-579-0x000002C956770000-0x000002C957047000-memory.dmp

                              memory/3672-576-0x00007FFD9F770000-0x00007FFD9FC8E000-memory.dmp

                              memory/3672-593-0x00007FFDBA330000-0x00007FFDBA332000-memory.dmp

                              memory/3672-592-0x000002C956770000-0x000002C957047000-memory.dmp

                              memory/3672-591-0x000002C956770000-0x000002C957047000-memory.dmp

                              memory/4888-535-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-542-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-557-0x000001B5D0590000-0x000001B5D05DE000-memory.dmp

                              memory/4888-561-0x000001B5D0670000-0x000001B5D06FA000-memory.dmp

                              memory/4888-559-0x000001B5D0670000-0x000001B5D06FA000-memory.dmp

                              memory/4888-558-0x000001B5D0670000-0x000001B5D06FA000-memory.dmp

                              memory/4888-560-0x000001B5D0670000-0x000001B5D06FA000-memory.dmp

                              memory/4888-565-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-566-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-549-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-545-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-544-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-543-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-555-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-538-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-537-0x00007FFDBA340000-0x00007FFDBA342000-memory.dmp

                              memory/4888-598-0x000001B5CF970000-0x000001B5D0247000-memory.dmp

                              memory/4888-530-0x00007FFD9F770000-0x00007FFD9FC8E000-memory.dmp

                              memory/4888-529-0x00007FFDBA330000-0x00007FFDBA332000-memory.dmp

                              memory/4996-601-0x00000194B4660000-0x00000194B4682000-memory.dmp

                              memory/4996-604-0x00000194B46E0000-0x00000194B46FE000-memory.dmp

                              memory/4996-605-0x00000194CCC80000-0x00000194CCD32000-memory.dmp

                              memory/4996-606-0x00000194B46C0000-0x00000194B46CA000-memory.dmp

                              memory/5216-524-0x00007FFDB1970000-0x00007FFDB1982000-memory.dmp

                              memory/5216-523-0x0000000000440000-0x000000000044E000-memory.dmp

                              memory/5216-503-0x00007FFDB1970000-0x00007FFDB1982000-memory.dmp

                              memory/5216-0-0x0000000000440000-0x000000000044E000-memory.dmp

                              memory/5216-1-0x0000000002060000-0x000000000206C000-memory.dmp