Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 04:16

General

  • Target
    2026-07-08_b417c554e33998ce1f8e0cb78c65717d_bkransomware_elex_hawkeye_maze_remcos.exe
  • Size 1.0MB
  • Sample260708-ev2mgsbt8l
  • SHA256 28515d767ac0e78c6073a36b395f0fab202d678eb33c0f060f2f63d6027761bc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 17 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in System32 directory 21 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 41 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 63 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 2 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 WMI provider

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

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-08_b417c554e33998ce1f8e0cb78c65717d_bkransomware_elex_hawkeye_maze_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-08_b417c554e33998ce1f8e0cb78c65717d_bkransomware_elex_hawkeye_maze_remcos.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:6132
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3824
  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:6088
  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:1656
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:2132
  • \??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE
    "c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"
    1⤵
    • Executes dropped EXE
    PID:1176
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5552
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3288
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:3024
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3088
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5780
    • C:\Windows\System32\GameInputSvc.exe
      C:\Windows\System32\GameInputSvc.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4532
      • C:\Windows\System32\GameInputSvc.exe
        "C:\Windows\System32\GameInputSvc.exe" Global\GameInputSession_1
        2⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:3448
    • C:\Windows\System32\msdtc.exe
      C:\Windows\System32\msdtc.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      PID:3244
    • C:\Windows\system32\PerceptionSimulation\PerceptionSimulationService.exe
      C:\Windows\system32\PerceptionSimulation\PerceptionSimulationService.exe
      1⤵
      • Executes dropped EXE
      PID:3352
    • C:\Windows\SysWow64\perfhost.exe
      C:\Windows\SysWow64\perfhost.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1836
    • C:\Windows\System32\ReFsDedupSvc.exe
      C:\Windows\System32\ReFsDedupSvc.exe
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:2032
    • C:\Windows\system32\locator.exe
      C:\Windows\system32\locator.exe
      1⤵
      • Executes dropped EXE
      PID:4588
    • C:\Windows\System32\SensorDataService.exe
      C:\Windows\System32\SensorDataService.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Checks SCSI registry key(s)
      PID:2952
    • C:\Windows\System32\snmptrap.exe
      C:\Windows\System32\snmptrap.exe
      1⤵
      • Executes dropped EXE
      PID:1560
    • C:\Windows\System32\OpenSSH\ssh-agent.exe
      C:\Windows\System32\OpenSSH\ssh-agent.exe
      1⤵
      • Executes dropped EXE
      PID:420
    • C:\Windows\system32\TieringEngineService.exe
      C:\Windows\system32\TieringEngineService.exe
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:2912
    • C:\Windows\system32\AgentService.exe
      C:\Windows\system32\AgentService.exe
      1⤵
      • Executes dropped EXE
      PID:3408
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:1128
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
          PID:1124
        • C:\Windows\system32\wbengine.exe
          "C:\Windows\system32\wbengine.exe"
          1⤵
            PID:2720

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                elevation_service.exe

                • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
                • Size 2.7MB
                • SHA256 fb87e7466b44b21b5a0ab9d5bc0eb1910250191637f4c75bc7f53f98accdb3cc
                • MD5 SHA1 SHA512 SSDEEP TLSH

                maintenanceservice.exe

                • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
                • Size 845KB
                • SHA256 946cdab5ec8d013680fecf1d3ccae1bdd8d8dcb2380626fddfee920f1da10756
                • MD5 SHA1 SHA512 SSDEEP TLSH

                OSE.EXE

                • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
                • Size 825KB
                • SHA256 1636a34a9c54bc92d1a128d1c557576ce807630d1dc72ace7159de8d0df8586c
                • MD5 SHA1 SHA512 SSDEEP TLSH

                elevation_service.exe

                • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                • Size 2.8MB
                • SHA256 9f3dd96473203039b6097998ea2185a917a31b1d34ed49b78432dd33c4014b4f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prep_Activatable Class_Hermes_perf.cache

                • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                • Size 603B
                • SHA256 b346273b0f3e13afaa9f07d97248343c45a667a5e097d1198a449a4de187aebb
                • MD5 SHA1 SHA512 TLSH

                prep_Activatable Class_Hermes_perf.cache

                • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                • Size 599B
                • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
                • MD5 SHA1 SHA512 TLSH

                perfhost.exe

                • Path C:\Windows\SysWOW64\perfhost.exe
                • Size 606KB
                • SHA256 f78e501f10adb452b346a90d0c61aebc81919f3492c81ffdc84b3c0db51976e8
                • MD5 SHA1 SHA512 SSDEEP TLSH

                AgentService.exe

                • Path C:\Windows\System32\AgentService.exe
                • Size 1.4MB
                • SHA256 16c30f0f54ff59e698d3eda7f06b06fe4a422b19cad2448d04e9b6071d5df599
                • MD5 SHA1 SHA512 SSDEEP TLSH

                GameInputSvc.exe

                • Path C:\Windows\System32\GameInputSvc.exe
                • Size 660KB
                • SHA256 39761967c4d38bbe2978fe498f991c2ca0dfe539bc11a848d0df9574191b18eb
                • MD5 SHA1 SHA512 SSDEEP TLSH

                Locator.exe

                • Path C:\Windows\System32\Locator.exe
                • Size 624KB
                • SHA256 8aa9c21c41c82b3acfc76c9bba6280a4d9f8b1647fd035ebc7aaee325b1551dd
                • MD5 SHA1 SHA512 SSDEEP TLSH

                ssh-agent.exe

                • Path C:\Windows\System32\OpenSSH\ssh-agent.exe
                • Size 1.1MB
                • SHA256 ee87906562bfcb7deb22f250c967a93216c6aa2d5443187f5b65dd16e9108477
                • MD5 SHA1 SHA512 SSDEEP TLSH

                PerceptionSimulationService.exe

                • Path C:\Windows\System32\PerceptionSimulation\PerceptionSimulationService.exe
                • Size 828KB
                • SHA256 5e074004353449781e82571533be2afcc03d37eea124224ecc8d3d649edf5354
                • MD5 SHA1 SHA512 SSDEEP TLSH

                ReFsDedupSvc.exe

                • Path C:\Windows\System32\ReFsDedupSvc.exe
                • Size 2.7MB
                • SHA256 35c9499fc22bb14f197d19338e64325cfd1ec5d28a7bac4b1ed386a09b4b562a
                • MD5 SHA1 SHA512 SSDEEP TLSH

                SensorDataService.exe

                • Path C:\Windows\System32\SensorDataService.exe
                • Size 1.7MB
                • SHA256 e0beeb6da4b32158490bcb32715c01b9cc335cb35ae1f5bbd7ec23aaf9e937aa
                • MD5 SHA1 SHA512 SSDEEP TLSH

                TieringEngineService.exe

                • Path C:\Windows\System32\TieringEngineService.exe
                • Size 932KB
                • SHA256 28e3fd22785c65ace9efae42767aed9e14e28f9137dfe8c0c06a362c51e43d1f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                VSSVC.exe

                • Path C:\Windows\System32\VSSVC.exe
                • Size 2.0MB
                • SHA256 dd4b95d32441644ba02c3a802a66a0ce8180c9481a24432c52b0bc79c884c61b
                • MD5 SHA1 SHA512 SSDEEP TLSH

                alg.exe

                • Path C:\Windows\System32\alg.exe
                • Size 776KB
                • SHA256 661d7b65626add7ddde9fdce67f6edf935c396c3078aa217b9c5719d87b7c790
                • MD5 SHA1 SHA512 SSDEEP TLSH

                msdtc.exe

                • Path C:\Windows\System32\msdtc.exe
                • Size 760KB
                • SHA256 19cee3508cc520dd31bb284a2f3f82cd069eadb289b7591f57130f48710154b3
                • MD5 SHA1 SHA512 SSDEEP TLSH

                snmptrap.exe

                • Path C:\Windows\System32\snmptrap.exe
                • Size 632KB
                • SHA256 0df66428d5d7503f07df8e1c2adbca235ebeac77d9b03ce5b6d016d5ec1923f5
                • MD5 SHA1 SHA512 SSDEEP TLSH

                vds.exe

                • Path C:\Windows\System32\vds.exe
                • Size 1.2MB
                • SHA256 b7ba653ed72700f0eda0694a0a5640c598aafc62e3e5b773fc722c719dab7a3f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                wbengine.exe

                • Path C:\Windows\System32\wbengine.exe
                • Size 2.1MB
                • SHA256 1bb8c3d1d972b3295180adc20daf42aaeee4277115eeaef76f6d98ae5b30a1a0
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/420-521-0x0000029BDF570000-0x0000029BDF5D6000-memory.dmp

                memory/420-519-0x00007FF79BC50000-0x00007FF79BEF2000-memory.dmp

                memory/420-522-0x0000029BDF570000-0x0000029BDF5D6000-memory.dmp

                memory/1124-559-0x00007FF698BE0000-0x00007FF6990B0000-memory.dmp

                memory/1124-561-0x0000014315850000-0x00000143158B6000-memory.dmp

                memory/1124-560-0x0000014315850000-0x00000143158B6000-memory.dmp

                memory/1128-550-0x00007FF6FF870000-0x00007FF6FFAFA000-memory.dmp

                memory/1128-552-0x000002319A080000-0x000002319A0E6000-memory.dmp

                memory/1128-551-0x000002319A080000-0x000002319A0E6000-memory.dmp

                memory/1176-58-0x0000022593A80000-0x0000022593B5E000-memory.dmp

                memory/1176-61-0x0000022593C90000-0x0000022593CF6000-memory.dmp

                memory/1176-59-0x0000022593C90000-0x0000022593CF6000-memory.dmp

                memory/1560-510-0x00007FF681F00000-0x00007FF681FB3000-memory.dmp

                memory/1560-511-0x0000026904B00000-0x0000026904B66000-memory.dmp

                memory/1560-512-0x0000026904B00000-0x0000026904B66000-memory.dmp

                memory/1656-38-0x000002D405CF0000-0x000002D405DCE000-memory.dmp

                memory/1656-40-0x000002D405EF0000-0x000002D405F56000-memory.dmp

                memory/1656-39-0x000002D405EF0000-0x000002D405F56000-memory.dmp

                memory/1836-473-0x00000000008E0000-0x0000000000949000-memory.dmp

                memory/1836-558-0x0000000000400000-0x00000000004AD000-memory.dmp

                memory/1836-477-0x00000000008E0000-0x0000000000949000-memory.dmp

                memory/1836-471-0x0000000000400000-0x00000000004AD000-memory.dmp

                memory/2032-483-0x00007FF7A2DC0000-0x00007FF7A3503000-memory.dmp

                memory/2032-484-0x000001B8F94A0000-0x000001B8F9506000-memory.dmp

                memory/2032-485-0x000001B8F94A0000-0x000001B8F9506000-memory.dmp

                memory/2132-55-0x00007FF7E33A0000-0x00007FF7E3507000-memory.dmp

                memory/2132-46-0x00007FF7E33A0000-0x00007FF7E3507000-memory.dmp

                memory/2132-48-0x000002A0D2B60000-0x000002A0D2BC6000-memory.dmp

                memory/2132-47-0x000002A0D2B60000-0x000002A0D2BC6000-memory.dmp

                memory/2132-54-0x000002A0D2B60000-0x000002A0D2BC6000-memory.dmp

                memory/2720-573-0x00007FF6AC9B0000-0x00007FF6ACEB6000-memory.dmp

                memory/2720-568-0x00000222F6750000-0x00000222F67B6000-memory.dmp

                memory/2720-567-0x00000222F6750000-0x00000222F67B6000-memory.dmp

                memory/2912-531-0x000001D13ADC0000-0x000001D13AE26000-memory.dmp

                memory/2912-529-0x00007FF729880000-0x00007FF729A14000-memory.dmp

                memory/2912-530-0x000001D13ADC0000-0x000001D13AE26000-memory.dmp

                memory/2952-501-0x0000023A51A00000-0x0000023A51A66000-memory.dmp

                memory/2952-500-0x00007FF6528E0000-0x00007FF652CF6000-memory.dmp

                memory/2952-502-0x0000023A51A00000-0x0000023A51A66000-memory.dmp

                memory/3244-446-0x0000025F0CEF0000-0x0000025F0CF56000-memory.dmp

                memory/3244-445-0x00007FF6B4440000-0x00007FF6B4559000-memory.dmp

                memory/3244-447-0x0000025F0CEF0000-0x0000025F0CF56000-memory.dmp

                memory/3244-537-0x00007FF6B4440000-0x00007FF6B4559000-memory.dmp

                memory/3352-465-0x0000028CFB520000-0x0000028CFB586000-memory.dmp

                memory/3352-464-0x0000028CFB520000-0x0000028CFB586000-memory.dmp

                memory/3352-549-0x00007FF782470000-0x00007FF7825B9000-memory.dmp

                memory/3352-462-0x00007FF782470000-0x00007FF7825B9000-memory.dmp

                memory/3408-538-0x00007FF7B4860000-0x00007FF7B4B80000-memory.dmp

                memory/3408-544-0x00000162BDFB0000-0x00000162BE016000-memory.dmp

                memory/3408-540-0x00000162BDFB0000-0x00000162BE016000-memory.dmp

                memory/3408-546-0x00007FF7B4860000-0x00007FF7B4B80000-memory.dmp

                memory/3408-539-0x00000162BDFB0000-0x00000162BE016000-memory.dmp

                memory/3448-442-0x00007FF7AF220000-0x00007FF7AF2E8000-memory.dmp

                memory/3448-528-0x00007FF7AF220000-0x00007FF7AF2E8000-memory.dmp

                memory/3448-453-0x000002840BD10000-0x000002840BD76000-memory.dmp

                memory/3448-452-0x000002840BD10000-0x000002840BD76000-memory.dmp

                memory/3824-16-0x000001CFC66B0000-0x000001CFC6716000-memory.dmp

                memory/3824-15-0x00007FF675A90000-0x00007FF675BB2000-memory.dmp

                memory/3824-65-0x00007FF675A90000-0x00007FF675BB2000-memory.dmp

                memory/3824-17-0x000001CFC66B0000-0x000001CFC6716000-memory.dmp

                memory/3824-18-0x000001CFC66B0000-0x000001CFC6716000-memory.dmp

                memory/4532-518-0x00007FF7AF220000-0x00007FF7AF2E8000-memory.dmp

                memory/4532-434-0x0000025A40040000-0x0000025A400A6000-memory.dmp

                memory/4532-435-0x0000025A40040000-0x0000025A400A6000-memory.dmp

                memory/4532-433-0x00007FF7AF220000-0x00007FF7AF2E8000-memory.dmp

                memory/4588-492-0x00000237EFCE0000-0x00000237EFD46000-memory.dmp

                memory/4588-491-0x00007FF7E3700000-0x00007FF7E37AD000-memory.dmp

                memory/4588-493-0x00000237EFCE0000-0x00000237EFD46000-memory.dmp

                memory/5780-262-0x0000023A80000000-0x0000023A801E3000-memory.dmp

                memory/5780-108-0x0000023A93C40000-0x0000023A93D40000-memory.dmp

                memory/5780-107-0x0000023A83A20000-0x0000023A83A40000-memory.dmp

                memory/5780-93-0x0000023ABDD80000-0x0000023ABDE80000-memory.dmp

                memory/5780-125-0x0000023A83B40000-0x0000023A83B60000-memory.dmp

                memory/5780-139-0x0000023A940C0000-0x0000023A940E0000-memory.dmp

                memory/6088-32-0x000002CBA4DC0000-0x000002CBA4E26000-memory.dmp

                memory/6088-31-0x000002CBA4DC0000-0x000002CBA4E26000-memory.dmp

                memory/6088-29-0x000002CBA4B90000-0x000002CBA4C6E000-memory.dmp

                memory/6088-30-0x000002CBA4DC0000-0x000002CBA4E26000-memory.dmp

                memory/6132-0-0x0000000000400000-0x00000000005FA000-memory.dmp

                memory/6132-1-0x00000000023D0000-0x0000000002439000-memory.dmp

                memory/6132-7-0x00000000023D0000-0x0000000002439000-memory.dmp

                memory/6132-6-0x00000000023D0000-0x0000000002439000-memory.dmp

                memory/6132-26-0x0000000000400000-0x00000000005FA000-memory.dmp