Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 18:12

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260820-wtmwdafa82
  • SHA256 0ce8a244d2f3f88dc2ba99173a2c87ff7efd021efd1201495d01a2798901fc35
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 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 16 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:708
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\ce3aa5378f965b40\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:2264
  • 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:780
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 72640C24D0EE957AD954C204D0005641 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4692
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8989.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240749093 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6024
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8CE5.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240749828 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3800
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8783.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240814187 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5056
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1968
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding ADC0831933985EB3123803193925CF34
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4556
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9DFBFAB06A351DD556677350D5171C34 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2400
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3016
    • C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-equjws-relay.screenconnect.com&p=443&s=f38d8d81-5309-4fe6-9734-811afa1d7daa&k=BgIAAACkAABSU0ExAAgAAAEAAQAxlJdQrujf3xVQasDP%2bDK8UVzLQTVzzpnmThKCMD63afaasqE4GVSd9x5r9UsrEeunrrbGI7cJu%2fe5AJwOrdkozwu4hxMPrEo6NtGcibYcH2xPXGvsGXW2EMMbHuKIkPaULjdErmRonF6r7R%2bJKsIK2cdeUnTrvKUD1k8IyrojbyMm1fzvT%2bvmFA7%2bqDGCogxFf2KX3JJn0SHcXXWHRD6mUmCaWvTKULiCz32EVJXxwa0XkkdTUH9O3FRlPwmqSFkU43y%2fEeli5BGW2cGn3LxtyDM0ZLAjNm4iJYuQDQ51vlJiDty3JqVzyxhQeuKhdukFRw1OuxvlPiHo2og6i2X8"
      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:3368
      • C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.WindowsClient.exe" "RunRole" "79059a14-e068-4884-8651-d27e81692401" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4632
      • C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.WindowsClient.exe" "RunRole" "f0972f3b-99b2-49c7-bd99-f2af48521b22" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5484

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5ad3dd.rbs

          • Path C:\Config.Msi\e5ad3dd.rbs
          • Size 214KB
          • SHA256 acb6dcfb09f5e626201a760697a9f0026dc671da8a95ba18a855b3fb5e926783
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.WindowsClient.exe
          • Size 678KB
          • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (ce3aa5378f965b40)\system.config
          • Size 956B
          • SHA256 da97ae7d17f6d420e901137b97252943de569da1e8b48f5148017570d7474292
          • MD5 SHA1 SHA512 TLSH

          MSI8989.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8989.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8989.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8989.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8989.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8989.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8CE5.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8CE5.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\ce3aa5378f965b40\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 af8b5b5c59b18d322dcc65b34e90d1c95bcd45f726814e86b4e52b71327a4aa4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIDAF1.tmp

          • Path C:\Windows\Installer\MSIDAF1.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          kxmt1hrd.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ce3aa5378f965b40)\kxmt1hrd.newcfg
          • Size 683B
          • SHA256 ab9bb0dd93280bbe9ba47af086832ca3ca24fe831d0e4a81916eb745a373f113
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ce3aa5378f965b40)\user.config
          • Size 520B
          • SHA256 6d463897af8538d0737c3fe16cfe148f554f425c9387c841e0d885d65f09fc88
          • MD5 SHA1 SHA512 TLSH

          xlee1wdl.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ce3aa5378f965b40)\xlee1wdl.newcfg
          • Size 881B
          • SHA256 5f30c2e2d775beaf22b3bae0fe46768010b61fd78e93572ad8977f3e65c004d8
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 41e82651b45045085e7078afca498d5a60e7197b05531fbae1cf8c0a1183f566
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {7107c969-a46e-4c55-8a96-bda0cccd13a5}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{7107c969-a46e-4c55-8a96-bda0cccd13a5}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 9f4460a2a39f55eef362ace7b25b94f85d0e6e24c78e7cbd5fc4d42c4544939f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/708-10-0x00000000748B0000-0x000000007506C000-memory.dmp

          memory/708-4-0x00000000057F0000-0x0000000005818000-memory.dmp

          memory/708-1-0x0000000000B40000-0x0000000000B48000-memory.dmp

          memory/708-7-0x00000000748B0000-0x000000007506C000-memory.dmp

          memory/708-2-0x0000000000BC0000-0x0000000000BCC000-memory.dmp

          memory/708-8-0x0000000006050000-0x000000000660A000-memory.dmp

          memory/708-3-0x0000000005750000-0x00000000057E4000-memory.dmp

          memory/708-5-0x00000000748B0000-0x000000007506C000-memory.dmp

          memory/708-6-0x00000000058E0000-0x0000000005A90000-memory.dmp

          memory/708-0-0x00000000748C2000-0x00000000748C3000-memory.dmp

          memory/708-12-0x00000000748B0000-0x000000007506C000-memory.dmp

          memory/3368-192-0x0000000004370000-0x00000000043B1000-memory.dmp

          memory/3368-166-0x0000000004600000-0x00000000047B0000-memory.dmp

          memory/3368-187-0x0000000004510000-0x000000000457C000-memory.dmp

          memory/3368-190-0x0000000004850000-0x00000000048E2000-memory.dmp

          memory/3368-162-0x00000000043B0000-0x0000000004444000-memory.dmp

          memory/3368-168-0x0000000004450000-0x00000000044A0000-memory.dmp

          memory/3368-156-0x0000000001CA0000-0x0000000001CBA000-memory.dmp

          memory/3368-203-0x0000000004A40000-0x0000000004B16000-memory.dmp

          memory/3800-76-0x0000000006110000-0x0000000006138000-memory.dmp

          memory/4632-222-0x0000000002990000-0x00000000029FC000-memory.dmp

          memory/4632-223-0x000000001B930000-0x000000001B9C4000-memory.dmp

          memory/4632-224-0x000000001BC80000-0x000000001BE30000-memory.dmp

          memory/4632-221-0x0000000000850000-0x00000000008FE000-memory.dmp

          memory/4632-225-0x0000000002930000-0x000000000294A000-memory.dmp

          memory/4632-226-0x000000001BE30000-0x000000001BFB8000-memory.dmp

          memory/4632-227-0x0000000002A00000-0x0000000002A41000-memory.dmp

          memory/6024-34-0x0000000003A90000-0x0000000003ABE000-memory.dmp

          memory/6024-38-0x0000000003AD0000-0x0000000003ADC000-memory.dmp

          memory/6024-46-0x0000000005F00000-0x00000000060B0000-memory.dmp

          memory/6024-42-0x0000000003B90000-0x0000000003C24000-memory.dmp