Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/08/2026, 16:18

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260827-trzfaabl4w
  • SHA256 0d89e6bebce4ffe6354770d977272abcad352fdbfdba295ee66d7ace75bb059a
  • 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 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 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:4132
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.3.9722\fb0552e2ee914c31\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:1728
  • 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:568
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AED269559C1669E2B49029066F737E1D C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4340
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI96C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240716421 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6008
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE7E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240717593 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5008
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI143C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240719000 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3032
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5612
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 64630866F6ED3FDFBCE5D34C4E64120E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5992
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 32449B2593E648EDAE0E2B8C4B96117D E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3280
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5264
    • C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-vnv6w1-relay.screenconnect.com&p=443&s=5bf36d8b-31dd-46b0-b42e-7e802d4b94ac&k=BgIAAACkAABSU0ExAAgAAAEAAQDZrYaNoFHZEsjZ3u8vM3MqH4LsYyik5MuUModVKUaQs6qjWkD67r6HbSFjYST63biWeuo0o1WVUpI3gloZC7VhR4Qnib0yIawLqa4Kw0n3T0tOEg4r1tkp%2bDg0ZHbpGXXiR8HHFpJ%2fq85em0ZehReCCHXD01IvysADkCsBfb1LSK%2fcpMu%2bB09DXJx1AOCyBjREBKMMzRzwUs8JNfHTNgUL3Vy%2bfvZXBho3sABXoiAfHRuh9rwETnxBGDaV6iHcbI%2f4n9ini5KOdL5RFHM1B2tpwSCA2fwS83dJiWcoq47TSixfP6RruwFSaUSCttLUXseqiWk%2bxIg%2fXii78M5jhMD6&c=&c=&c=hramony&c=&c=&c=&c=&c=%2f"
      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:1428
      • C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsClient.exe" "RunRole" "744a7174-7b0d-4efb-b3e8-c7f451d6745a" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5848
      • C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsClient.exe" "RunRole" "750c8fdb-d6d3-468d-bec6-47a2f8f42d89" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2456

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e595e92.rbs

          • Path C:\Config.Msi\e595e92.rbs
          • Size 214KB
          • SHA256 1b37fdc0effe5d3f93b9302ed0a2695c7da5ee24cba5610d99c9dec2ac34bc5a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 71e65343e3f98d379b56b3e7742eae2dc0c88a687e49930d04f073dca7edc23e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 e498e07f150be1b99876c411c4c74e7cc8d3052e1b7d65d68cc1403d6a94163b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 9f5910d69a4fbc56ff1854e7e0df3199fbfddd7fe6b374f7d816fa6ae70ef991
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.Core.dll
          • Size 580KB
          • SHA256 493388297ae9d20329925c5d037b2454c259d7b6182f0365fce07bb12c9cd6ac
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 af5da1ea1afa67a434dae1dd3c82343ca7ba5d8a55bbfe2d2049a73b3b6fc9e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsClient.exe
          • Size 684KB
          • SHA256 9996f661a1a65ce415e59e7791de9ef89ea044d16442097f36625c6327095d8e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 dfde9583b8eb91ac7f35af71f104040fe8f7dd43d9625bfe2c0f1081c9ea50bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fb0552e2ee914c31)\system.config
          • Size 960B
          • SHA256 529e8e8d73c1f0a4c9d9a1d105038abd29e0f353d75e8dbe87d823614f946d99
          • MD5 SHA1 SHA512 TLSH

          MSI96C.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI96C.tmp
          • Size 1.1MB
          • SHA256 38a0e6aff01c8495862405c14411a6a34f67109ef6bbe4e6139478a225c01158
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI96C.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI96C.tmp-\ScreenConnect.Core.dll
          • Size 570KB
          • SHA256 951c8e204df2bdd36abc4a7c4d8356286ab9b7885378a8c4828ea4650061c57e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI96C.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 bc94a6dd5a79e0e3b585f2f33c7b85a65a99fb4e44b9f80841e31dfba0ac199b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI96C.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 d12bb8a4c7d633bffc1a561fd3204e67bdce116df51ae195953c1f9eddb37b18
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE7E.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE7E.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 9de19c56cf9d883b0905e0d072b39e24df14d477989bda2c38e6b7f28dc8b9a3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.3.9722\fb0552e2ee914c31\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 11e61e18eaccb95fd4ee86d3c3fae6d10c67ad1cca1826aa6f1f98c94f6e3ae1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI64CC.tmp

          • Path C:\Windows\Installer\MSI64CC.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          14eibxbc.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fb0552e2ee914c31)\14eibxbc.newcfg
          • Size 881B
          • SHA256 ce2f8b386933f792746e776b76fb9f9544440afdddcacd945de1ff7b7529f36b
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fb0552e2ee914c31)\user.config
          • Size 683B
          • SHA256 4467151257f2d0cccde33af7df48ab8c43d61fc8b51361317443a0332ed4e3fb
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fb0552e2ee914c31)\user.config
          • Size 520B
          • SHA256 9e1154b05787f7149e62d628f360f81933e8ce3432cb4383716c1059dd713db9
          • MD5 SHA1 SHA512 TLSH

          memory/1428-195-0x0000000003D70000-0x0000000003DB1000-memory.dmp

          memory/1428-197-0x0000000004230000-0x0000000004306000-memory.dmp

          memory/1428-175-0x0000000003BF0000-0x0000000003C40000-memory.dmp

          memory/1428-193-0x0000000004040000-0x00000000040D2000-memory.dmp

          memory/1428-192-0x0000000003FD0000-0x000000000403C000-memory.dmp

          memory/1428-152-0x00000000013F0000-0x000000000140A000-memory.dmp

          memory/1428-158-0x0000000003B50000-0x0000000003BE4000-memory.dmp

          memory/1428-162-0x0000000003E20000-0x0000000003FD0000-memory.dmp

          memory/2456-223-0x0000000002440000-0x0000000002481000-memory.dmp

          memory/4132-4-0x0000000003AC0000-0x0000000003B54000-memory.dmp

          memory/4132-2-0x0000000002060000-0x000000000206C000-memory.dmp

          memory/4132-9-0x0000000075130000-0x00000000758EC000-memory.dmp

          memory/4132-8-0x0000000006720000-0x0000000006CDA000-memory.dmp

          memory/4132-7-0x0000000005FA0000-0x0000000006150000-memory.dmp

          memory/4132-10-0x0000000075130000-0x00000000758EC000-memory.dmp

          memory/4132-12-0x0000000075130000-0x00000000758EC000-memory.dmp

          memory/4132-0-0x0000000075142000-0x0000000075143000-memory.dmp

          memory/4132-5-0x00000000020A0000-0x00000000020C8000-memory.dmp

          memory/4132-6-0x0000000075130000-0x00000000758EC000-memory.dmp

          memory/4132-1-0x0000000002040000-0x0000000002048000-memory.dmp

          memory/4132-3-0x0000000075130000-0x00000000758EC000-memory.dmp

          memory/5008-75-0x00000000033F0000-0x0000000003418000-memory.dmp

          memory/5848-216-0x000000001B0F0000-0x000000001B15C000-memory.dmp

          memory/5848-215-0x0000000000430000-0x00000000004DE000-memory.dmp

          memory/5848-217-0x000000001B460000-0x000000001B4F4000-memory.dmp

          memory/5848-219-0x000000001B6B0000-0x000000001B860000-memory.dmp

          memory/5848-220-0x0000000001100000-0x000000000111A000-memory.dmp

          memory/5848-221-0x000000001B9F0000-0x000000001BB78000-memory.dmp

          memory/6008-41-0x0000000005E20000-0x0000000005EB4000-memory.dmp

          memory/6008-37-0x0000000003D10000-0x0000000003D1C000-memory.dmp

          memory/6008-45-0x0000000006070000-0x0000000006220000-memory.dmp

          memory/6008-33-0x0000000003CD0000-0x0000000003CFE000-memory.dmp