Analysis

  • max time kernel
    149s
  • 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
    10/09/2026, 00:18

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260910-al25fasfqf
  • SHA256 853ad72568f305c07147a1511bf3c76665f582d20f1d83364875a3cce33e4441
  • 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 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 8 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 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:5044
    • 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⤵
      • 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:5716
  • 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:2412
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 88A18EB1D73EF104890782059CD19CDF C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5732
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9AFE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240756156 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3728
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIAA22.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240757468 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2296
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA471.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240821546 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2844
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3632
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 26B7797E2EE21DB96630604A2531B2E2
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3264
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F0E2D8FE3E2FFB5B2CC10844CB8D9707 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4192
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1864
    • 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=04081708-a5bf-4418-914e-7047e49b2992&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:5344
      • C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0af6a3abb4af7515)\ScreenConnect.WindowsClient.exe" "RunRole" "c340f8ff-a5f5-4ae5-92c7-fbda64037112" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3916

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5af213.rbs

          • Path C:\Config.Msi\e5af213.rbs
          • Size 214KB
          • SHA256 33245863fa3ad2b14722fac43dbd31ad996dc199538f48c727869925f53df568
          • 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.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

          MSI9AFE.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9AFE.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9AFE.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9AFE.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9AFE.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9AFE.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAA22.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAA22.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

          MSIF947.tmp

          • Path C:\Windows\Installer\MSIF947.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          4le2k2nq.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0af6a3abb4af7515)\4le2k2nq.newcfg
          • Size 884B
          • SHA256 e5c5d0282b5f381917eeccd8716386ff5007e2dc358d8021b0414a14fd5b0924
          • MD5 SHA1 SHA512 TLSH

          neioljbr.newcfg

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

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 84c97f99f28b9e9b6e9be718bbf726ccf50af45e7d6b28a1e4718590279a5723
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {d4ebc6d2-237d-4b26-97a3-86ca9b67d9a1}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d4ebc6d2-237d-4b26-97a3-86ca9b67d9a1}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 1e0c13696b10896a73c381bc7ac082ed1e6d8175cbf2a7499a1e18fd697051dc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2296-77-0x00000000061B0000-0x00000000061D8000-memory.dmp

          memory/3728-43-0x0000000005490000-0x0000000005526000-memory.dmp

          memory/3728-35-0x00000000053C0000-0x00000000053EE000-memory.dmp

          memory/3728-39-0x00000000053B0000-0x00000000053BC000-memory.dmp

          memory/3728-47-0x00000000056E0000-0x0000000005890000-memory.dmp

          memory/3916-225-0x000000001B590000-0x000000001B740000-memory.dmp

          memory/3916-227-0x000000001B8D0000-0x000000001BA58000-memory.dmp

          memory/3916-223-0x000000001B340000-0x000000001B3D6000-memory.dmp

          memory/3916-221-0x00000000002B0000-0x0000000000360000-memory.dmp

          memory/3916-226-0x0000000002390000-0x00000000023AA000-memory.dmp

          memory/3916-222-0x00000000025D0000-0x000000000263C000-memory.dmp

          memory/5044-7-0x0000000074BD0000-0x000000007538C000-memory.dmp

          memory/5044-8-0x0000000006330000-0x00000000068EA000-memory.dmp

          memory/5044-0-0x0000000074BE2000-0x0000000074BE3000-memory.dmp

          memory/5044-6-0x0000000005BC0000-0x0000000005D70000-memory.dmp

          memory/5044-9-0x0000000074BD0000-0x000000007538C000-memory.dmp

          memory/5044-5-0x00000000033F0000-0x0000000003418000-memory.dmp

          memory/5044-4-0x0000000005A00000-0x0000000005A96000-memory.dmp

          memory/5044-11-0x0000000074BD0000-0x000000007538C000-memory.dmp

          memory/5044-13-0x0000000074BD0000-0x000000007538C000-memory.dmp

          memory/5044-1-0x0000000003340000-0x0000000003348000-memory.dmp

          memory/5044-3-0x0000000074BD0000-0x000000007538C000-memory.dmp

          memory/5044-2-0x0000000003360000-0x000000000336C000-memory.dmp

          memory/5344-167-0x0000000004740000-0x00000000048F0000-memory.dmp

          memory/5344-200-0x00000000046A0000-0x0000000004732000-memory.dmp

          memory/5344-202-0x00000000044F0000-0x0000000004531000-memory.dmp

          memory/5344-204-0x0000000004A40000-0x0000000004B16000-memory.dmp

          memory/5344-199-0x0000000004590000-0x00000000045FC000-memory.dmp

          memory/5344-180-0x00000000044A0000-0x00000000044F0000-memory.dmp

          memory/5344-162-0x00000000043A0000-0x0000000004436000-memory.dmp

          memory/5344-156-0x0000000001D30000-0x0000000001D4A000-memory.dmp