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
    08/08/2026, 18:17

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260808-wxaefswyay
  • SHA256 6da94ae29b7c3f8a3983ea42ca891eb24a784ae2bc0b9377724dafebacfdf7d9
  • 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 21 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 11 IoCs
  • Suspicious use of SendNotifyMessage 9 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:3324
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\26116ac97bc64dcf\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:2232
  • 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:5864
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 54C6A41F4D363DA3759A75CB142B5D07 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1DB0.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240721484 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4360
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2310.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240722734 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5676
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2979.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240724578 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1076
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4900
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding AF4B9738DC2AF7CB2B3F2798D48D1F57
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4772
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding BE5F0DB6D7A28176708F28AB5200BF8F E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2484
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4436
    • C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-q0mttg-relay.screenconnect.com&p=443&s=d8306cd9-4b88-4d89-b1dc-4ef24fc66893&k=BgIAAACkAABSU0ExAAgAAAEAAQBNRQHJJexYogTP65rilol4TXPlkuAatFS0RwqdcXGwfNdYq1O5O98zZb1kyH%2fpsa%2bWkBwVaka6nByMACo%2bhwxpzpxh%2fDhxJRlK1T7KzqAKeOyqbM7Eb9DeeyGEJ6iIGkAYSA%2brlzYLpBqG5Fk9wXj6hHViVZyKINz2AvZvLaqvdLdrxp1yLlh7sH%2fqlURHg2HlGKqG6kF%2b0k2TNEPmlmiPKF8GRUIwh94SaP5hQo3%2bmjwNAie0Xe8XFxC%2fhKgjzrXW3jhbpKaJex2iH2MTwkZeG10Io0eCYCDLLnG%2bB4g8o7huSYcmewfIImeHeaJ14Z7AVYR1ERnw8PlsfgCmRczA"
      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:5020
      • C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsClient.exe" "RunRole" "c8cd4c1c-1554-457c-9a15-98ea80ab42f3" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4316

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e597f1a.rbs

          • Path C:\Config.Msi\e597f1a.rbs
          • Size 214KB
          • SHA256 c6b784c152222dd067fbf0d352c9cb84e19f62b4cd4589824e5cebd51eab0dac
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\system.config
          • Size 964B
          • SHA256 e0e7c363a885ab57709525926c054bf6e1ea0b57386d94768496ecc88d909a49
          • MD5 SHA1 SHA512 TLSH

          MSI1DB0.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1DB0.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1DB0.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1DB0.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1DB0.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1DB0.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2310.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2310.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\26116ac97bc64dcf\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 2ee83ac5100407499f2796f42c5f35a5889a618f5f8abe8bf2afeee67663e518
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI8573.tmp

          • Path C:\Windows\Installer\MSI8573.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aex2w5sx.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (26116ac97bc64dcf)\aex2w5sx.newcfg
          • Size 683B
          • SHA256 e84668aaff914dd6b063485f3f1a6e437af47879667fa9fa61c4b9f56ae417dd
          • MD5 SHA1 SHA512 TLSH

          k2utfzs0.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (26116ac97bc64dcf)\k2utfzs0.newcfg
          • Size 881B
          • SHA256 a95880ec4eee8d20b0c3d23b74e1285aefba97af349d8bba4778375df13f4ee0
          • MD5 SHA1 SHA512 TLSH

          l3dba4rp.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (26116ac97bc64dcf)\l3dba4rp.newcfg
          • Size 881B
          • SHA256 b117ac176dc60092076150f41720d0331c622e0fdfbb421ae25a79c47536e0b6
          • MD5 SHA1 SHA512 TLSH

          lcxw2sso.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (26116ac97bc64dcf)\lcxw2sso.newcfg
          • Size 881B
          • SHA256 95eae3cb529d8913e10b27bf9a8dbd815d67926ece920c9038fdd551797fad2c
          • MD5 SHA1 SHA512 TLSH

          payqjuvv.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (26116ac97bc64dcf)\payqjuvv.newcfg
          • Size 881B
          • SHA256 135a8b311ec51654afc9790813d8f09d2ba1d6ad9975dc9a7441edfce5679f8c
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (26116ac97bc64dcf)\user.config
          • Size 520B
          • SHA256 4ff463adf114140c334e9537d75504fd30953c0b47e89a4fb9debb6f0070829b
          • MD5 SHA1 SHA512 TLSH

          zhxv3yrs.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (26116ac97bc64dcf)\zhxv3yrs.newcfg
          • Size 881B
          • SHA256 525224974c7d9de2130cad2dfc96fc2274307cd4c4a1b91502eb0e3e6ce2edf6
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 7926031766c24aad1879f35e2d6b04a38730469adb244907e926739e22b96845
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {3f0ef1bc-4916-4938-91de-1ebd0a57e4ad}_OnDiskSnapshotProp

          • Path \??\Volume{c576ab2f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{3f0ef1bc-4916-4938-91de-1ebd0a57e4ad}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 2676016d38f0bb7dc769d25cfdd5533794f9e85d9815c5ba93cfd78cd4a3cb29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3324-9-0x0000000074E20000-0x00000000755DC000-memory.dmp

          memory/3324-2-0x0000000003460000-0x000000000346C000-memory.dmp

          memory/3324-0-0x0000000074E32000-0x0000000074E33000-memory.dmp

          memory/3324-5-0x0000000005A60000-0x0000000005A88000-memory.dmp

          memory/3324-6-0x0000000005B40000-0x0000000005CF0000-memory.dmp

          memory/3324-4-0x0000000005AB0000-0x0000000005B44000-memory.dmp

          memory/3324-7-0x0000000074E20000-0x00000000755DC000-memory.dmp

          memory/3324-3-0x0000000074E20000-0x00000000755DC000-memory.dmp

          memory/3324-11-0x0000000074E20000-0x00000000755DC000-memory.dmp

          memory/3324-8-0x00000000062B0000-0x000000000686A000-memory.dmp

          memory/3324-12-0x0000000074E20000-0x00000000755DC000-memory.dmp

          memory/3324-1-0x00000000033F0000-0x00000000033F8000-memory.dmp

          memory/4316-225-0x000000001C1F0000-0x000000001C378000-memory.dmp

          memory/4316-221-0x000000001B850000-0x000000001B8BC000-memory.dmp

          memory/4316-222-0x000000001BC60000-0x000000001BCF4000-memory.dmp

          memory/4316-223-0x000000001BEB0000-0x000000001C060000-memory.dmp

          memory/4316-224-0x0000000002EB0000-0x0000000002ECA000-memory.dmp

          memory/4316-219-0x0000000000BB0000-0x0000000000C5E000-memory.dmp

          memory/4316-226-0x0000000002ED0000-0x0000000002F11000-memory.dmp

          memory/4360-35-0x0000000002CA0000-0x0000000002CCE000-memory.dmp

          memory/4360-39-0x0000000002CD0000-0x0000000002CDC000-memory.dmp

          memory/4360-43-0x0000000005B20000-0x0000000005BB4000-memory.dmp

          memory/4360-47-0x0000000005D70000-0x0000000005F20000-memory.dmp

          memory/5020-201-0x0000000004610000-0x00000000046E6000-memory.dmp

          memory/5020-199-0x0000000004050000-0x0000000004091000-memory.dmp

          memory/5020-197-0x0000000004420000-0x00000000044B2000-memory.dmp

          memory/5020-196-0x0000000004310000-0x000000000437C000-memory.dmp

          memory/5020-176-0x0000000004090000-0x00000000040E0000-memory.dmp

          memory/5020-164-0x00000000040F0000-0x00000000042A0000-memory.dmp

          memory/5020-160-0x0000000003EA0000-0x0000000003F34000-memory.dmp

          memory/5020-154-0x00000000019F0000-0x0000000001A0A000-memory.dmp

          memory/5676-77-0x0000000003FB0000-0x0000000003FD8000-memory.dmp