Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 10:15

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 14.3MB
  • Sample260722-man5nade59
  • SHA256 37222a81caeb1a70fdae469fa835cf1c90e01ed6880cdb317502632677606c39
  • 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 15 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 14 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 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 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:4900
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\2a44520c741a996c\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:4356
  • 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:3356
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 560D535033F3AEC5FE58849BCEB7A0CA C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID93.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240717343 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4336
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI10A1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240718046 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5844
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI15E2.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240719359 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5172
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5504
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E990B3F3C2F6CCF9C5103A4D45314649
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5876
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 94268AB479DCC204CC280B0060A41BE0 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3532
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4636
    • C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-zoh45o-relay.screenconnect.com&p=443&s=9baf72ea-552f-4991-944e-a64d67be3a57&k=BgIAAACkAABSU0ExAAgAAAEAAQD9vEubvDy9gQoRYqbV7ArhiGD99%2bC%2f%2f%2f1toYkMahbB4pKGXsyPwCeGbVhlACLMtiPEoqRHGxkeJfpZlkcHPHYQijGibhMgdx03rXWMDvkLCCvgx%2fdlCO1yYDbI8rTpNKjReJrhbt1wI1iN46dFVaYAW0ET4NcJrn6SBb%2f8MrPaK2PP%2fs4tHyWUGggJ8Z0YSpjzZKTnYeD%2forrU%2bhDw2PMs3ttDY%2f5clIvdZHSJ8%2ftPq%2b6szY4%2bvx1VBH7LgC78v3XJzgV8vVozG%2btunsoUHd8YZOoXz2TcaIagAqjFPljp6KuxD67KuCr4sl1tLvBksH7bi1pWDa3GryxEAZUmlxPB&c=00065&c=limuin&c=01&c=01&c=&c=&c=&c="
      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:2284
      • C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.WindowsClient.exe" "RunRole" "271a66bf-de65-405e-8361-5d7abcd5f60d" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4236
      • C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.WindowsClient.exe" "RunRole" "dd3e619b-a11d-4321-a174-f44b9228d1f9" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3560

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59650a.rbs

          • Path C:\Config.Msi\e59650a.rbs
          • Size 214KB
          • SHA256 f1076db20873af08291df203116c76f0a45ca4adcd749b23a68f1c5906bdaace
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\app.config
          • Size 1KB
          • SHA256 b3369f06d13bca8a10e0870cabd470c48734cd10604ff8a77eb3de17a608f6c4
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (2a44520c741a996c)\system.config
          • Size 972B
          • SHA256 3624683ee2f4feb0c7c5eba539d2493e8adc95ce07004597bbabfbcb5572ff5a
          • MD5 SHA1 SHA512 TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI10A1.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI10A1.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSID93.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSID93.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID93.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID93.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID93.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID93.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\2a44520c741a996c\ScreenConnect.ClientSetup.msi
          • Size 11.8MB
          • SHA256 aa0e5c31c39cc7e8c9ad16f9ac6df7ce1c131754b9e4a1a1b63592bb4c0c52f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI6B83.tmp

          • Path C:\Windows\Installer\MSI6B83.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          1pmvewbn.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (2a44520c741a996c)\1pmvewbn.newcfg
          • Size 883B
          • SHA256 d9b9ed03ab3e7306a21df51b09087017c65be941f2de0e5f4bc245527faa0f69
          • MD5 SHA1 SHA512 TLSH

          dcjwws0f.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (2a44520c741a996c)\dcjwws0f.newcfg
          • Size 883B
          • SHA256 5b477e1a3c2f398e80713d42c00403a96d00a03976b8f436e2d7ea698b6580d5
          • MD5 SHA1 SHA512 TLSH

          ewrsk0dv.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (2a44520c741a996c)\ewrsk0dv.newcfg
          • Size 883B
          • SHA256 6287c64336b21a757a61b9db75122616b88b1b597caad3cbc611b2873ba4ebe6
          • MD5 SHA1 SHA512 TLSH

          jpdoaeao.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (2a44520c741a996c)\jpdoaeao.newcfg
          • Size 683B
          • SHA256 fc854682c5b7b28cf3dce5a4cdae489315134b35cafc53c96bc4361c75b6d696
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (2a44520c741a996c)\user.config
          • Size 520B
          • SHA256 ff62a506e24d80a4d298eb3d7b76e947b085a5f0fde2ef272b9f307dc7e9ea4a
          • MD5 SHA1 SHA512 TLSH

          {719ea27a-5583-4f66-b451-042092a922bb}_OnDiskSnapshotProp

          • Path \??\Volume{c61f8367-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{719ea27a-5583-4f66-b451-042092a922bb}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 6c946c9dfb8466ea2db9e348b49ca707cd492b123bb85085f190e39bdc7a2bbf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2284-198-0x0000000004510000-0x000000000457C000-memory.dmp

          memory/2284-199-0x0000000004580000-0x0000000004612000-memory.dmp

          memory/2284-165-0x0000000004360000-0x0000000004510000-memory.dmp

          memory/2284-155-0x0000000003FC0000-0x0000000003FDA000-memory.dmp

          memory/2284-203-0x0000000004770000-0x0000000004846000-memory.dmp

          memory/2284-170-0x0000000004260000-0x00000000042B0000-memory.dmp

          memory/2284-201-0x0000000004220000-0x0000000004261000-memory.dmp

          memory/2284-161-0x0000000004110000-0x00000000041A4000-memory.dmp

          memory/3560-263-0x0000000002490000-0x00000000024D1000-memory.dmp

          memory/3560-264-0x000000001C600000-0x000000001C7CA000-memory.dmp

          memory/4236-228-0x00000000027B0000-0x00000000027F1000-memory.dmp

          memory/4236-225-0x000000001B880000-0x000000001BA30000-memory.dmp

          memory/4236-226-0x00000000026D0000-0x00000000026EA000-memory.dmp

          memory/4236-227-0x000000001BBC0000-0x000000001BD48000-memory.dmp

          memory/4236-230-0x000000001CA50000-0x000000001CC1A000-memory.dmp

          memory/4236-224-0x000000001B3D0000-0x000000001B464000-memory.dmp

          memory/4236-223-0x0000000002720000-0x000000000278C000-memory.dmp

          memory/4236-222-0x00000000004F0000-0x000000000059E000-memory.dmp

          memory/4336-35-0x0000000005F90000-0x0000000005FBE000-memory.dmp

          memory/4336-47-0x00000000062D0000-0x0000000006480000-memory.dmp

          memory/4336-43-0x0000000006080000-0x0000000006114000-memory.dmp

          memory/4336-39-0x0000000005FD0000-0x0000000005FDC000-memory.dmp

          memory/4900-4-0x0000000005D60000-0x0000000005DF4000-memory.dmp

          memory/4900-1-0x0000000001E50000-0x0000000001E58000-memory.dmp

          memory/4900-2-0x0000000001E70000-0x0000000001E7C000-memory.dmp

          memory/4900-3-0x0000000074FF0000-0x00000000757AC000-memory.dmp

          memory/4900-5-0x0000000001F30000-0x0000000001F58000-memory.dmp

          memory/4900-8-0x00000000065E0000-0x0000000006B9A000-memory.dmp

          memory/4900-7-0x0000000074FF0000-0x00000000757AC000-memory.dmp

          memory/4900-6-0x0000000005E70000-0x0000000006020000-memory.dmp

          memory/4900-12-0x0000000074FF0000-0x00000000757AC000-memory.dmp

          memory/4900-0-0x0000000075002000-0x0000000075003000-memory.dmp

          memory/4900-10-0x0000000074FF0000-0x00000000757AC000-memory.dmp

          memory/4900-11-0x0000000074FF0000-0x00000000757AC000-memory.dmp

          memory/5844-77-0x0000000004110000-0x0000000004138000-memory.dmp