Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 00:18

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260910-al3e7ssfrb
  • SHA256 853ad72568f305c07147a1511bf3c76665f582d20f1d83364875a3cce33e4441
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 1 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 12 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 2 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 4 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:\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:2168
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\0af6a3abb4af7515\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:5692
  • 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:5204
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 91B9DAE4CD1FA064C5F32B85D4875A30 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8004.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240746671 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6040
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8515.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240747890 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2520
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8C5A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240749703 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3252
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5536
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 41178AB78C20E98F3E3EB3F2FA0F0BE7
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5036
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 415B421E2CF6BDE488B3F5587E229CF7 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4768
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2932
    • C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-rae2qr-relay.screenconnect.com&p=443&s=18142e2e-3680-4cee-8dfb-e477db51f659&k=BgIAAACkAABSU0ExAAgAAAEAAQBt0Y6Af34A5QkDVtIMU9prpCoNfbfdRYtAClz7%2fzFhd%2fFtTrFxdAdsrEoRxvVTCh7C0P1jFRv3Fxlay7Q8Wem632epSXIf%2b1O8K0psif7VqwDx8WbxT7dDVCL6786gOZzoZht30TYCUbEEfgeeIXDVGSVANn9Bt3uXzlH2Lp4xJnSrNhx2H4d2HQ8%2bfkQjiPFdtICk8DZYCZvETlKo5uduFs%2flPyKWEejFTIsumBNuJx53EuChCikffWB0avLXnOHJgHbQn%2fz%2bdyDgmBJrjg0yPMBy1QmXOKMyC%2bHpGZtfyyZBoDs4MnCp60a7x45ZRfqsZrEteCPBDzoj3iZHQWK4"
      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:5880
      • C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsClient.exe" "RunRole" "fdb6a275-cfcf-4592-aac7-22a8e27d130c" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5008

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59fb6e.rbs

          • Path C:\Config.Msi\e59fb6e.rbs
          • Size 214KB
          • SHA256 5936303e02f3b28f46841e7ac579e2c4d240f2bcec464bf0ea8de9e87c0dbe3b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsClient.exe
          • Size 685KB
          • SHA256 2763b953657e3c4d6b2f952218a1e1963bcd6971f0b1102d99bb7efea04ceb29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\system.config
          • Size 960B
          • SHA256 3f452b843c6afc9e13ed22092f9a45049e150353ec335ddf187bc48691e2599e
          • MD5 SHA1 SHA512 TLSH

          MSI8004.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8004.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8004.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8004.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8004.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8004.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8515.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8515.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 361bbc692084841e4c8d22c89ca89c711d0fe17bc8759241736531a2f28de25b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\0af6a3abb4af7515\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 aa2f2ed612d531cc51915e881b71cf5850b1c9f6258304f932ade3a4ec053571
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI31F.tmp

          • Path C:\Windows\Installer\MSI31F.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          01ke20f3.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0af6a3abb4af7515)\01ke20f3.newcfg
          • Size 884B
          • SHA256 fef4debb22843f517d855233335f5fdafc45938fba337e1fe565896e00433fa8
          • MD5 SHA1 SHA512 TLSH

          mbjmafwa.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0af6a3abb4af7515)\mbjmafwa.newcfg
          • Size 884B
          • SHA256 89677135c6f52f14782766876d6eb0866e791f2a48960b73c50fd9b05e35e0d7
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0af6a3abb4af7515)\user.config
          • Size 520B
          • SHA256 05f061c3460be62259f336c9ea3ed851a168a7361285ca0745ed18fd35a7659a
          • MD5 SHA1 SHA512 TLSH

          ye0br2fb.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0af6a3abb4af7515)\ye0br2fb.newcfg
          • Size 683B
          • SHA256 2c8b3a04248f823bc744e0970e19ae100d435cc75f3b88e8caa6549823544dc4
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 4366e381fe7395c5f24abdfb4a39395ab1455c75fcb1eb12b9ef564be9ed02ab
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {d2eeda6b-9b4e-4143-a426-8e9a46987211}_OnDiskSnapshotProp

          • Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d2eeda6b-9b4e-4143-a426-8e9a46987211}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 b0f0bf032bc673de3eac2feb8c63ea869129b0177c5ce7c9b05b40f30e21ae03
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2168-11-0x0000000074FF0000-0x00000000757AC000-memory.dmp

          memory/2168-7-0x0000000006120000-0x00000000066DA000-memory.dmp

          memory/2168-12-0x0000000074FF0000-0x00000000757AC000-memory.dmp

          memory/2168-0-0x0000000075002000-0x0000000075003000-memory.dmp

          memory/2168-8-0x0000000074FF0000-0x00000000757AC000-memory.dmp

          memory/2168-3-0x00000000058F0000-0x0000000005986000-memory.dmp

          memory/2168-9-0x0000000074FF0000-0x00000000757AC000-memory.dmp

          memory/2168-1-0x0000000001A20000-0x0000000001A28000-memory.dmp

          memory/2168-6-0x00000000059B0000-0x0000000005B60000-memory.dmp

          memory/2168-4-0x0000000074FF0000-0x00000000757AC000-memory.dmp

          memory/2168-5-0x0000000005980000-0x00000000059A8000-memory.dmp

          memory/2168-2-0x0000000001A60000-0x0000000001A6C000-memory.dmp

          memory/2520-75-0x0000000005400000-0x0000000005428000-memory.dmp

          memory/5008-221-0x000000001BEF0000-0x000000001C0A0000-memory.dmp

          memory/5008-219-0x0000000002E50000-0x0000000002EBC000-memory.dmp

          memory/5008-218-0x0000000000BE0000-0x0000000000C90000-memory.dmp

          memory/5008-224-0x0000000002CD0000-0x0000000002D11000-memory.dmp

          memory/5008-220-0x000000001BCA0000-0x000000001BD36000-memory.dmp

          memory/5008-222-0x0000000002CB0000-0x0000000002CCA000-memory.dmp

          memory/5008-223-0x000000001C230000-0x000000001C3B8000-memory.dmp

          memory/5204-225-0x00000224C9770000-0x00000224CA114000-memory.dmp

          memory/5880-162-0x0000000004B40000-0x0000000004CF0000-memory.dmp

          memory/5880-199-0x0000000004F80000-0x0000000005056000-memory.dmp

          memory/5880-197-0x0000000004A40000-0x0000000004A81000-memory.dmp

          memory/5880-195-0x0000000004D90000-0x0000000004E22000-memory.dmp

          memory/5880-194-0x0000000004AB0000-0x0000000004B1C000-memory.dmp

          memory/5880-175-0x00000000049F0000-0x0000000004A40000-memory.dmp

          memory/5880-158-0x00000000048C0000-0x0000000004956000-memory.dmp

          memory/5880-152-0x0000000004800000-0x000000000481A000-memory.dmp

          memory/6040-41-0x0000000005AC0000-0x0000000005B56000-memory.dmp

          memory/6040-33-0x00000000039C0000-0x00000000039EE000-memory.dmp

          memory/6040-37-0x0000000003A00000-0x0000000003A0C000-memory.dmp

          memory/6040-45-0x0000000005DB0000-0x0000000005F60000-memory.dmp