Analysis

  • max time kernel
    148s
  • max time network
    156s
  • 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, 18:14

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260708-wvb59sfv6w
  • SHA256 eee93e45b330cb4ba89ee34ae79ba992ca9d5ee553aef13601809626bbdc3bec
  • 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.

  • 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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • 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
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 9 IoCs
  • 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\ScreenConnect.ClientSetup.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2356
  • 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:6096
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 30D8733250159DC2D71B664D68472FEA C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5208
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6279.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240739421 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2012
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6AB7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240741078 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:976
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI663F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240805515 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2564
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:6068
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 160A1DF4647AE5F67F9B7B99AC920472
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1200
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C7E9FC1FB89ACA37A6D8122B53003BE2 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1044
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5856
    • C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-pk7m7o-relay.screenconnect.com&p=443&s=654df020-533d-4861-998d-54090810f543&k=BgIAAACkAABSU0ExAAgAAAEAAQDd6ztwBAmpGItLTtT3eaHH9uRGeROc%2fUuCq3W9QeT194Rm2Rwk0fnv%2frBANVRkX3EkpeaKAuVjUXoLynrYDkp4pT1%2bKv90FOwvYI67gNhA0Ec5biOkTQ3Ej1Inp6OWTrV6knVgXk%2bT0%2bK8ctsVHOYJMtUQO56ySiD4sAB7wARRwElXH47WVNnBMcDq8tlfLskQbYjADVAcmrb4mlGlSWEs%2bGBo35bUeCBa3bsck9ZyNoBfWAPAseNihILMcSP%2bnYprIlg5vVj3mCDKthq7rkT5w%2bSvpTfBq%2beoMOMzh7RVZgLBunrSouIy9yvtnl5JNE%2bDLEdXrXpMvebtGwEGXP%2bm"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.WindowsClient.exe" "RunRole" "c4bd1e23-01d8-4ab7-8b9c-e8171129daf6" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4848
      • C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.WindowsClient.exe" "RunRole" "2ea0664d-4fb0-478d-9925-182f10e577aa" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4064

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5ad8fd.rbs

          • Path C:\Config.Msi\e5ad8fd.rbs
          • Size 214KB
          • SHA256 5e143dd1b9c131323b11c6400b46b982c8678c11da7f856f0116881b4c31e587
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1b66cf277fb851d3)\system.config
          • Size 966B
          • SHA256 1e22ccdccf1c316dd0b1c5b36da8b5e50e214d8a069bc39add34af6153c893df
          • MD5 SHA1 SHA512 TLSH

          MSI6279.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6279.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6279.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6279.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6279.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6279.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6AB7.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6AB7.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 8e0d135002984f0dbae6575086d9a72d51aa8dd58e53a9e0eba58c0d5bc7678e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE09E.tmp

          • Path C:\Windows\Installer\MSIE09E.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5ad8fc.msi

          • Path C:\Windows\Installer\e5ad8fc.msi
          • Size 9.8MB
          • SHA256 eee93e45b330cb4ba89ee34ae79ba992ca9d5ee553aef13601809626bbdc3bec
          • MD5 SHA1 SHA512 SSDEEP TLSH

          qyizizvh.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1b66cf277fb851d3)\qyizizvh.newcfg
          • Size 882B
          • SHA256 40b07b5255f0ea5e925d2875234754126d489e220021b185172286d1f7557e8d
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1b66cf277fb851d3)\user.config
          • Size 520B
          • SHA256 e9601ecd253a292dd23b752e3529e3560b619c2942ef23c33c79793d26d34446
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1b66cf277fb851d3)\user.config
          • Size 683B
          • SHA256 87aa4f1c094375712694f40c11f98562b6da2fd8ebb56e43860c658882296ed0
          • MD5 SHA1 SHA512 TLSH

          {5d7aa9bb-2d75-4ec0-9a11-45d1718c5043}_OnDiskSnapshotProp

          • Path \??\Volume{847325d4-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{5d7aa9bb-2d75-4ec0-9a11-45d1718c5043}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 fff57418ed2b81dd3ba0b9cf548bd7dfc1ecfe77f741f6fc8985e3405833973a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/976-64-0x0000000003230000-0x0000000003258000-memory.dmp

          memory/2012-34-0x0000000006130000-0x00000000066EA000-memory.dmp

          memory/2012-21-0x0000000005620000-0x000000000564E000-memory.dmp

          memory/2012-25-0x0000000005650000-0x000000000565C000-memory.dmp

          memory/2012-29-0x0000000005770000-0x0000000005804000-memory.dmp

          memory/2012-33-0x00000000059C0000-0x0000000005B70000-memory.dmp

          memory/2948-148-0x0000000004850000-0x00000000048E4000-memory.dmp

          memory/2948-182-0x0000000004C50000-0x0000000004CBC000-memory.dmp

          memory/2948-142-0x00000000021E0000-0x00000000021FA000-memory.dmp

          memory/2948-165-0x0000000004980000-0x00000000049D0000-memory.dmp

          memory/2948-185-0x00000000049D0000-0x0000000004A11000-memory.dmp

          memory/2948-152-0x0000000004AA0000-0x0000000004C50000-memory.dmp

          memory/2948-183-0x0000000004CC0000-0x0000000004D52000-memory.dmp

          memory/2948-187-0x0000000004EB0000-0x0000000004F86000-memory.dmp

          memory/4848-206-0x0000000000880000-0x000000000092C000-memory.dmp

          memory/4848-208-0x000000001B960000-0x000000001B9F4000-memory.dmp

          memory/4848-209-0x000000001BBB0000-0x000000001BD60000-memory.dmp

          memory/4848-210-0x00000000012B0000-0x00000000012CA000-memory.dmp

          memory/4848-211-0x000000001CB10000-0x000000001CC98000-memory.dmp

          memory/4848-212-0x0000000002BC0000-0x0000000002C01000-memory.dmp

          memory/4848-207-0x0000000002C00000-0x0000000002C6C000-memory.dmp