Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/08/2026, 11:16

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260815-nddc1aaq3x
  • SHA256 488e4f2c50362dea625eff9bf3cab2f39d59342cca2ecbc627eca774b55eb816
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

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

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 9 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 5 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • 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\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\c558ca306f59298e\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2552
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • 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:3748
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A4015492F2E9B553D5F2A437B6ACF711 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5696
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4CCE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240733578 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3396
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4FEC.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240734578 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5392
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5711.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240736125 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2092
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2820
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F7A1243590B9F7189B81D6D86913105F
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4936
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 23BA34010749F6C01F840CE78960384F E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4456
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1648
    • C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-d8aow3-relay.screenconnect.com&p=443&s=4a562ff3-142e-471f-9fba-23dc2d3e9841&k=BgIAAACkAABSU0ExAAgAAAEAAQCFKENu7bsfUESR60L%2fi%2bblmnefWFfg04sivFz%2fgzksH68KJVwaMCFFlrtlzXcQBJJqftOIUlGDHTw2J4I3mLjPYnEgTtcYuekxRw4wzbqk991ZMtPWaiynQsGA5ELTG3M5yWGSoKD5Dv%2fypNQUxV27OQM4fqzYB9F%2fckAMnsPdd5oqAWbzkInk%2bUB1jQtxmiINEVVwrhPHf2fBP4umtBldHlAW1TeRzi53BXiBjk6Pm7fVKz%2bi2oBBd2bSuQdi%2bWTgbcqgBWuVcHBcLJS73ZH%2b9hLWG4jRPEoU%2bKcnFrw06780WCqqOEYSiY2oLolJtRSEDJN8ZA5F9nQz3e0bHYyu&c=Gbajewa&c=https%3a%2f%2fgbajewa.com&c=BBLIFE&c=Windows&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5808
      • C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.WindowsClient.exe" "RunRole" "95a87492-840e-4558-87b1-b0a7a86c5257" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1952
      • C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.WindowsClient.exe" "RunRole" "ae26081f-d9ce-4e0c-90ca-13c0afe33851" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4716

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e599f16.rbs

          • Path C:\Config.Msi\e599f16.rbs
          • Size 214KB
          • SHA256 4cd0db632f81ee242841291b490cf8adc372776f960007272a489b9ade771ce4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.WindowsClient.exe
          • Size 678KB
          • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (c558ca306f59298e)\system.config
          • Size 964B
          • SHA256 97d600a5706adb0272f22b6c7227a66adb440d1e628bf01620bbe26147861b1b
          • MD5 SHA1 SHA512 TLSH

          MSI4CCE.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4CCE.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4CCE.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4CCE.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4CCE.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4CCE.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4FEC.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4FEC.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 dbf379b93127345a83282380aee634d0b70ec731acfeea76617c76e76fdc764f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\c558ca306f59298e\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 3589637ec79e613701de1a539b1a10d9b45e6c44feb55a836e31b92d7e1f1797
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIA455.tmp

          • Path C:\Windows\Installer\MSIA455.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c558ca306f59298e)\user.config
          • Size 683B
          • SHA256 ce9fb2926309f5ac2d42ec4a89659b9ea6c9cc8fab0e1c5ea3364693e3d0cc95
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c558ca306f59298e)\user.config
          • Size 520B
          • SHA256 90c39c378010eea0d7167ca0825ae7f4805ba9732732c8af312af4f8c4f523a0
          • MD5 SHA1 SHA512 TLSH

          z0em0a4y.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c558ca306f59298e)\z0em0a4y.newcfg
          • Size 883B
          • SHA256 510b503881c2a4a02dd425471da00040159692b16bbee616b9fcebf3afbba015
          • MD5 SHA1 SHA512 TLSH

          memory/1744-9-0x0000000074AB0000-0x000000007526C000-memory.dmp

          memory/1744-2-0x0000000005710000-0x000000000571C000-memory.dmp

          memory/1744-11-0x0000000074AB0000-0x000000007526C000-memory.dmp

          memory/1744-1-0x0000000003070000-0x0000000003078000-memory.dmp

          memory/1744-12-0x0000000074AB0000-0x000000007526C000-memory.dmp

          memory/1744-8-0x0000000074AB0000-0x000000007526C000-memory.dmp

          memory/1744-3-0x0000000005790000-0x0000000005824000-memory.dmp

          memory/1744-4-0x0000000005840000-0x0000000005868000-memory.dmp

          memory/1744-7-0x0000000005FF0000-0x00000000065AA000-memory.dmp

          memory/1744-5-0x0000000074AB0000-0x000000007526C000-memory.dmp

          memory/1744-0-0x0000000074AC2000-0x0000000074AC3000-memory.dmp

          memory/1744-6-0x0000000005870000-0x0000000005A20000-memory.dmp

          memory/1952-216-0x0000000000F20000-0x0000000000FCE000-memory.dmp

          memory/1952-221-0x000000001C580000-0x000000001C708000-memory.dmp

          memory/1952-220-0x0000000001970000-0x000000000198A000-memory.dmp

          memory/1952-219-0x000000001C240000-0x000000001C3F0000-memory.dmp

          memory/1952-218-0x000000001BFF0000-0x000000001C084000-memory.dmp

          memory/1952-217-0x000000001BBD0000-0x000000001BC3C000-memory.dmp

          memory/3396-47-0x00000000054B0000-0x0000000005660000-memory.dmp

          memory/3396-43-0x0000000005260000-0x00000000052F4000-memory.dmp

          memory/3396-39-0x0000000005150000-0x000000000515C000-memory.dmp

          memory/3396-35-0x0000000005120000-0x000000000514E000-memory.dmp

          memory/4716-223-0x0000000002840000-0x0000000002881000-memory.dmp

          memory/5392-77-0x0000000005C60000-0x0000000005C88000-memory.dmp

          memory/5808-152-0x00000000020D0000-0x00000000020EA000-memory.dmp

          memory/5808-193-0x0000000004C90000-0x0000000004D22000-memory.dmp

          memory/5808-175-0x0000000004920000-0x0000000004970000-memory.dmp

          memory/5808-197-0x0000000004E80000-0x0000000004F56000-memory.dmp

          memory/5808-195-0x00000000047C0000-0x0000000004801000-memory.dmp

          memory/5808-192-0x0000000004B80000-0x0000000004BEC000-memory.dmp

          memory/5808-158-0x00000000046E0000-0x0000000004774000-memory.dmp

          memory/5808-162-0x00000000049D0000-0x0000000004B80000-memory.dmp