Analysis

  • max time kernel
    145s
  • max time network
    147s
  • 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, 20:39

General

  • Target
    install.2.0.02.exe
  • Size 34.6MB
  • Sample261022-zfr5qafv21
  • SHA256 85a9994901d9335195e4e98cf07be49e0ab74f837e6cdb56d02e4d86b433f401
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 2 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 3 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 1 IoCs
  • Suspicious use of WriteProcessMemory 22 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:5844
  • C:\Users\Public\L91kNf\h9rrb3.exe
    "C:\Users\Public\L91kNf\h9rrb3.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:5608
    • 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:3396
    • 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\L91kNf\" /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:2420
      • 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\L91kNf\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2812
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:4648
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:5272
        • 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:5596
          • 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:1188
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:1404
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:2244
            • 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:5492
              • 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:1476
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:3264
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:1388
                • 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:1412
                  • 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:4216
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:5688
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:1248
                    • 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:840
                      • 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:4956
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:4900
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:5036
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\L91kNf" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        PID:4732
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\L91kNf" /t REG_DWORD /d 0 /f
                          2⤵
                            PID:2544
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:5316
                          • C:\Users\Public\L91kNf\h9rrb3.exe
                            "C:\Users\Public\L91kNf\h9rrb3.exe"
                            1⤵
                            • Executes dropped EXE
                            • Loads dropped DLL
                            PID:1964
                          • C:\Windows\system32\cmd.exe
                            "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
                            1⤵
                            • Executes a command shell one-liner
                            • Suspicious use of WriteProcessMemory
                            PID:4816
                            • C:\Windows\System32\reg.exe
                              reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
                              2⤵
                              • Windows security bypass
                              PID:2868
                          • C:\Windows\system32\cmd.exe
                            "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
                            1⤵
                            • Executes a command shell one-liner
                            PID:1156
                            • C:\Windows\System32\reg.exe
                              reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
                              2⤵
                                PID:4048

                            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 cfa627a820998f21233960f253d38c89335ba7278141bcf80be053c7641730bc
                                  • MD5 SHA1 SHA512 TLSH

                                  B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6

                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6
                                  • Size 1KB
                                  • SHA256 ba7b10fbba92c986ca68ecf228df57e8de4c29661665f38549191176d18ef033
                                  • MD5 SHA1 SHA512 TLSH

                                  0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97

                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97
                                  • Size 512B
                                  • SHA256 acb368402d05c39559a3687c39ab5a34e69142f72cdeaee91f5a211ada72c993
                                  • MD5 SHA1 SHA512 TLSH

                                  B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6

                                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6
                                  • Size 506B
                                  • SHA256 5703f9eb07562e707a9364637c853769f5f6c95295e95befbcc47bc04286ee1e
                                  • MD5 SHA1 SHA512 TLSH

                                  __PSScriptPolicyTest_zjr11frj.2iz.psm1

                                  • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zjr11frj.2iz.psm1
                                  • Size 60B
                                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                  • MD5 SHA1 SHA512 TLSH

                                  UxEnhance64.dll

                                  • Path C:\Users\Public\L91kNf\UxEnhance64.dll
                                  • Size 3.1MB
                                  • SHA256 4ee2440df0838fb7c7a8d4c99a1d5c8af59b9a6965370bb4477a627ae5588680
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  adoresd.dat

                                  • Path C:\Users\Public\L91kNf\adoresd.dat
                                  • Size 4.8MB
                                  • SHA256 6f471ee2a4ac7e6e685fab8a47ecfd748085357b159c7621715a430ba34d9a46
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  h9rrb3.exe

                                  • Path C:\Users\Public\L91kNf\h9rrb3.exe
                                  • Size 135KB
                                  • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  msadox.tb

                                  • Path C:\Users\Public\L91kNf\msadox.tb
                                  • Size 8KB
                                  • SHA256 9e5908fc197e182b11e1e3874706f0a36d8d4695a01dd994602b457efb72a4bc
                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                  memory/1964-580-0x000002932CA80000-0x000002932D357000-memory.dmp

                                  memory/1964-577-0x00007FF821480000-0x00007FF82199E000-memory.dmp

                                  memory/1964-589-0x000002932CA80000-0x000002932D357000-memory.dmp

                                  memory/1964-590-0x000002932CA80000-0x000002932D357000-memory.dmp

                                  memory/1964-591-0x00007FF844350000-0x00007FF844352000-memory.dmp

                                  memory/1964-588-0x000002932CA80000-0x000002932D357000-memory.dmp

                                  memory/1964-587-0x000002932CA80000-0x000002932D357000-memory.dmp

                                  memory/1964-583-0x000002932CA80000-0x000002932D357000-memory.dmp

                                  memory/1964-582-0x00007FF844360000-0x00007FF844362000-memory.dmp

                                  memory/3396-607-0x000001E3EAB80000-0x000001E3EAB8A000-memory.dmp

                                  memory/3396-606-0x000001E3EAF00000-0x000001E3EAFB2000-memory.dmp

                                  memory/3396-605-0x000001E3EAEE0000-0x000001E3EAEFE000-memory.dmp

                                  memory/3396-600-0x000001E3EAB50000-0x000001E3EAB72000-memory.dmp

                                  memory/5608-550-0x0000026AD39C0000-0x0000026AD4297000-memory.dmp

                                  memory/5608-539-0x0000026AD39C0000-0x0000026AD4297000-memory.dmp

                                  memory/5608-562-0x0000026AD46C0000-0x0000026AD474A000-memory.dmp

                                  memory/5608-561-0x0000026AD46C0000-0x0000026AD474A000-memory.dmp

                                  memory/5608-564-0x0000026AD39C0000-0x0000026AD4297000-memory.dmp

                                  memory/5608-566-0x0000026AD39C0000-0x0000026AD4297000-memory.dmp

                                  memory/5608-558-0x0000026AD45E0000-0x0000026AD462E000-memory.dmp

                                  memory/5608-530-0x00007FF844350000-0x00007FF844352000-memory.dmp

                                  memory/5608-537-0x0000026AD39C0000-0x0000026AD4297000-memory.dmp

                                  memory/5608-543-0x0000026AD39C0000-0x0000026AD4297000-memory.dmp

                                  memory/5608-559-0x0000026AD46C0000-0x0000026AD474A000-memory.dmp

                                  memory/5608-538-0x00007FF844360000-0x00007FF844362000-memory.dmp

                                  memory/5608-556-0x0000026AD39C0000-0x0000026AD4297000-memory.dmp

                                  memory/5608-560-0x0000026AD46C0000-0x0000026AD474A000-memory.dmp

                                  memory/5608-531-0x00007FF821480000-0x00007FF82199E000-memory.dmp

                                  memory/5608-546-0x0000026AD39C0000-0x0000026AD4297000-memory.dmp

                                  memory/5608-544-0x0000026AD39C0000-0x0000026AD4297000-memory.dmp

                                  memory/5608-545-0x0000026AD39C0000-0x0000026AD4297000-memory.dmp

                                  memory/5844-525-0x00007FF833A80000-0x00007FF833A92000-memory.dmp

                                  memory/5844-0-0x0000000002000000-0x000000000200E000-memory.dmp

                                  memory/5844-1-0x0000000002000000-0x000000000200E000-memory.dmp

                                  memory/5844-2-0x0000000002050000-0x000000000205C000-memory.dmp

                                  memory/5844-504-0x00007FF833A80000-0x00007FF833A92000-memory.dmp

                                  memory/5844-524-0x0000000002000000-0x000000000200E000-memory.dmp