Analysis

  • max time kernel
    149s
  • max time network
    154s
  • 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, 00:13

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 14.3MB
  • Sample260910-ah9ecabp7t
  • SHA256 fbba1d98d3c9553a2404a22bb8e3bb02fd58d0a3360a5b76b9075bb41b4baa53
  • 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 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 17 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:5108
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\948a0682b613920d\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:5780
  • 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:2640
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 12C3C4385813D0ACB2AFB4115A59CB4F C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3052
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID51E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240702906 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3124
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID9F1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240704031 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2236
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIDF80.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240705453 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4800
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4768
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 21C8A9C846B660399E7C44F449C57357
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5212
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9058766E6CDDF3C021E7946D09C93186 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5216
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4600
    • C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-inq7e1-relay.screenconnect.com&p=443&s=884dd211-7a77-4c12-942e-6009b14ed350&k=BgIAAACkAABSU0ExAAgAAAEAAQBRy285F%2f7Z9o%2b2MhYF9xVKyripY9HRvufAlnghsiPhu%2bkYC0fhtb7dYhYVfIbVZrTpoe5tSrGXGggV9wMDoqRPIVewo4jyzzIJhzbpEXBuwTb7%2fmzwn5qD9gHfvW%2bSkJUN%2bdQhsQWysTtoiT%2bAtGjvA%2fnPwF5XpNETNNUFiWbJns45rFRkIE1hjJfpzTjVYIejJQUaMEouloRLr7I%2fYtEq1HFmmIzGjZSz7BJFcHfF9U3Chg8e%2bUfHCbeGxy3VCuVvILw2peyaywuRLdMz8%2fkW%2bTZQtL19jipdJ4HinhsFe5xqn%2bWQOW8dw%2bXEjjaa3oOz2Gg9nP1h5zNSeHPAHlDA"
      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:4904
      • C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.WindowsClient.exe" "RunRole" "1ad0fba5-b5db-4298-a9d6-14a1fcaab97e" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2168
      • C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.WindowsClient.exe" "RunRole" "13bddb9a-b0b5-4614-a6b6-43d2dde1c86e" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:6028

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e592c09.rbs

          • Path C:\Config.Msi\e592c09.rbs
          • Size 214KB
          • SHA256 ed45b2e9543a740924bdfc17b9fe270fe5b9c72278268dcf375acbb4af935fc7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.WindowsClient.exe
          • Size 685KB
          • SHA256 2763b953657e3c4d6b2f952218a1e1963bcd6971f0b1102d99bb7efea04ceb29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\app.config
          • Size 1KB
          • SHA256 b3369f06d13bca8a10e0870cabd470c48734cd10604ff8a77eb3de17a608f6c4
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (948a0682b613920d)\system.config
          • Size 972B
          • SHA256 4af5b05fec9b68783453c53e12c6b2a43253e833d9e384677002a1ccb3ee6f07
          • MD5 SHA1 SHA512 TLSH

          MSID51E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSID51E.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID51E.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID51E.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID51E.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID51E.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSID9F1.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID9F1.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\948a0682b613920d\ScreenConnect.ClientSetup.msi
          • Size 11.8MB
          • SHA256 18f0a3897dcddf82055e19dd1efe56dd8b68357e213dcd1af6bba408932d2cac
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI3242.tmp

          • Path C:\Windows\Installer\MSI3242.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          5gkiyram.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (948a0682b613920d)\5gkiyram.newcfg
          • Size 883B
          • SHA256 22710d866b1bfa10e2c86701a95353ca7d1bb76bcfe54760b6e1b17891b6a4b4
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (948a0682b613920d)\user.config
          • Size 683B
          • SHA256 7e2f9774f905853bf2ffed558dcd36bf70abd545d3ba23b94ad8a4eb7dd16ba4
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (948a0682b613920d)\user.config
          • Size 520B
          • SHA256 18cbfdc95ce743f2db82074e5a58f6919b568cdd62b828f940bf2e85fae1d1c2
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 b5bca51d186a60dfc122e4cdd997d0b937b8e87ebd688f6ce5422491c8c4fa64
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {f5ccbabe-ff72-47b0-97da-4ca0580e7cec}_OnDiskSnapshotProp

          • Path \??\Volume{c576ab2f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{f5ccbabe-ff72-47b0-97da-4ca0580e7cec}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 b8854d8e19f5511b8379c7c9e2f9c89ef7c2204919ca50a7be9992b02747814f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2168-220-0x0000000000240000-0x00000000002F0000-memory.dmp

          memory/2168-226-0x000000001B8E0000-0x000000001BA68000-memory.dmp

          memory/2168-225-0x0000000002410000-0x000000000242A000-memory.dmp

          memory/2168-223-0x000000001B350000-0x000000001B3E6000-memory.dmp

          memory/2168-224-0x000000001B5A0000-0x000000001B750000-memory.dmp

          memory/2168-222-0x00000000024C0000-0x000000000252C000-memory.dmp

          memory/2236-77-0x00000000051B0000-0x00000000051D8000-memory.dmp

          memory/3124-47-0x0000000006150000-0x0000000006300000-memory.dmp

          memory/3124-39-0x0000000003DD0000-0x0000000003DDC000-memory.dmp

          memory/3124-43-0x0000000005F00000-0x0000000005F96000-memory.dmp

          memory/3124-35-0x0000000003DE0000-0x0000000003E0E000-memory.dmp

          memory/4904-203-0x0000000004BA0000-0x0000000004C76000-memory.dmp

          memory/4904-201-0x0000000004530000-0x0000000004571000-memory.dmp

          memory/4904-157-0x0000000004260000-0x000000000427A000-memory.dmp

          memory/4904-198-0x00000000048A0000-0x000000000490C000-memory.dmp

          memory/4904-163-0x0000000004330000-0x00000000043C6000-memory.dmp

          memory/4904-181-0x00000000044E0000-0x0000000004530000-memory.dmp

          memory/4904-199-0x00000000049B0000-0x0000000004A42000-memory.dmp

          memory/4904-167-0x0000000004580000-0x0000000004730000-memory.dmp

          memory/5108-4-0x00000000033F0000-0x0000000003418000-memory.dmp

          memory/5108-5-0x0000000005A30000-0x0000000005BE0000-memory.dmp

          memory/5108-3-0x0000000005970000-0x0000000005A06000-memory.dmp

          memory/5108-2-0x00000000033C0000-0x00000000033CC000-memory.dmp

          memory/5108-9-0x0000000074D80000-0x000000007553C000-memory.dmp

          memory/5108-1-0x00000000033A0000-0x00000000033A8000-memory.dmp

          memory/5108-8-0x0000000074D80000-0x000000007553C000-memory.dmp

          memory/5108-11-0x0000000074D80000-0x000000007553C000-memory.dmp

          memory/5108-7-0x00000000061A0000-0x000000000675A000-memory.dmp

          memory/5108-6-0x0000000074D80000-0x000000007553C000-memory.dmp

          memory/5108-13-0x0000000074D80000-0x000000007553C000-memory.dmp

          memory/5108-0-0x0000000074D92000-0x0000000074D93000-memory.dmp