Analysis

  • geolocation tags

    nanew-jerseynorth-americaunited-statesususa
  • max time kernel
    900s
  • max time network
    886s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/08/2026, 19:43

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260818-yfn8dsz1ex
  • SHA256 f7dabed915e83c7f8f31b92e94b89477d5ab43621b7a13d636beb00e341c330e
  • 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:4344
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\ab37133ab800db55\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:4836
  • 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:2032
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D712994326E831688166C6056A2563CF C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5740
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1340.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240718765 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:424
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI15D1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240719343 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3708
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1B12.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240720718 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:240
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1924
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 148DC81475BAFCCB6B3295AE1119356D
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4788
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E66F46342A2CE5D8759D427D195778F5 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3276
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5348
    • C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-z9m0fs-relay.screenconnect.com&p=443&s=a1aab1a5-8e57-46d0-82fb-e05ea5c96cdf&k=BgIAAACkAABSU0ExAAgAAAEAAQAhM%2boS5a%2bGiiTQ7ojBNp9h56dYEAbS8WQ7EqpHKWcYXjjussRp6jKCUL033ScWrjroduY6TvpsMMx1mrCSBwUnOKHVrrPo8K%2bEQHc4yCboSrIOHBEl9M4PA%2fes4GxDvdFuhfKWmaZvdTt9LE9opXFVmK69gTIAJVAVPVZATW1W5n0AcRqaVsvZc74xOHM8J9HwT8hzDO13BT1McW5zNDtP8tWNHuVnY7uSDQlIhkWYPNGn2DdWjEoeAIUjeridco763L4cr9e4uC%2bNI4c3Nn3H2Il%2b7B0hMDnAxm%2fJawzWD%2fbQOnZ3cDuA%2bNX14VHfsNFDvJHdd21wUu2DGlBD3R3K"
      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:4164
      • C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.WindowsClient.exe" "RunRole" "f1e25b0d-611e-4aba-8d88-50e4d54fa248" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5768
      • C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.WindowsClient.exe" "RunRole" "6c11e904-593b-4646-b3f9-a2e3f0f3a663" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4868
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4868
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:2560

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              e596950.rbs

              • Path C:\Config.Msi\e596950.rbs
              • Size 214KB
              • SHA256 18a64f08d528b206d47439a36a1c46d5e347eccc031ee0c61ac570a330445aaf
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.en-US.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\Client.en-US.resources
              • Size 64KB
              • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\Client.resources
              • Size 6KB
              • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Client.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.Client.dll
              • Size 412KB
              • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientService.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.ClientService.dll
              • Size 92KB
              • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientService.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.ClientService.exe
              • Size 93KB
              • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Core.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.Core.dll
              • Size 579KB
              • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Windows.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.Windows.dll
              • Size 1.7MB
              • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsAuthenticationPackage.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.WindowsAuthenticationPackage.dll
              • Size 254KB
              • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsClient.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.WindowsClient.exe
              • Size 678KB
              • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsClient.exe.config

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.WindowsClient.exe.config
              • Size 266B
              • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
              • MD5 SHA1 SHA512 TLSH

              ScreenConnect.WindowsCredentialProvider.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\ScreenConnect.WindowsCredentialProvider.dll
              • Size 837KB
              • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
              • MD5 SHA1 SHA512 SSDEEP TLSH

              system.config

              • Path C:\Program Files (x86)\ScreenConnect Client (ab37133ab800db55)\system.config
              • Size 962B
              • SHA256 e044863a34fa2ee20c6af93b92226a5c36dee076aa12a13296b8c5182ddf21d7
              • MD5 SHA1 SHA512 TLSH

              MSI1340.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\MSI1340.tmp
              • Size 1.1MB
              • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Microsoft.Deployment.WindowsInstaller.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI1340.tmp-\Microsoft.Deployment.WindowsInstaller.dll
              • Size 172KB
              • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Core.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI1340.tmp-\ScreenConnect.Core.dll
              • Size 569KB
              • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.InstallerActions.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI1340.tmp-\ScreenConnect.InstallerActions.dll
              • Size 24KB
              • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Windows.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI1340.tmp-\ScreenConnect.Windows.dll
              • Size 1.7MB
              • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              CustomAction.config

              • Path C:\Users\Admin\AppData\Local\Temp\MSI15D1.tmp-\CustomAction.config
              • Size 234B
              • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
              • MD5 SHA1 SHA512 TLSH

              ScreenConnect.WindowsInstaller.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI15D1.tmp-\ScreenConnect.WindowsInstaller.dll
              • Size 137KB
              • SHA256 dbf379b93127345a83282380aee634d0b70ec731acfeea76617c76e76fdc764f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientSetup.msi

              • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\ab37133ab800db55\ScreenConnect.ClientSetup.msi
              • Size 9.8MB
              • SHA256 39aa677fe0163e76de77bd47295e8fcddfb043e282e7052f84bb40f28d10f9e9
              • MD5 SHA1 SHA512 SSDEEP TLSH

              MSI6F8A.tmp

              • Path C:\Windows\Installer\MSI6F8A.tmp
              • Size 202KB
              • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
              • MD5 SHA1 SHA512 SSDEEP TLSH

              kxetcytv.newcfg

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ab37133ab800db55)\kxetcytv.newcfg
              • Size 683B
              • SHA256 39fb001122c82e6ffdab8be4d88de60dc4bc393cfc91173fc690cc345ec1875a
              • MD5 SHA1 SHA512 TLSH

              orfkn1ln.newcfg

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ab37133ab800db55)\orfkn1ln.newcfg
              • Size 882B
              • SHA256 bfceb69ce9270f0e60e98169c15a93ecfcfacd23a07a427512e2f0af3290055a
              • MD5 SHA1 SHA512 TLSH

              user.config

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ab37133ab800db55)\user.config
              • Size 520B
              • SHA256 fad804e155c174bb35152ef149218bb619eafdc2678b41dcbb441cc26576b4a2
              • MD5 SHA1 SHA512 TLSH

              memory/424-45-0x0000000006180000-0x0000000006330000-memory.dmp

              memory/424-33-0x0000000005DC0000-0x0000000005DEE000-memory.dmp

              memory/424-41-0x0000000005F30000-0x0000000005FC4000-memory.dmp

              memory/424-37-0x0000000005E00000-0x0000000005E0C000-memory.dmp

              memory/3708-75-0x0000000003AE0000-0x0000000003B08000-memory.dmp

              memory/4164-194-0x0000000003F20000-0x0000000003F8C000-memory.dmp

              memory/4164-152-0x00000000013F0000-0x000000000140A000-memory.dmp

              memory/4164-197-0x0000000003EB0000-0x0000000003EF1000-memory.dmp

              memory/4164-195-0x0000000004030000-0x00000000040C2000-memory.dmp

              memory/4164-158-0x0000000003AB0000-0x0000000003B44000-memory.dmp

              memory/4164-162-0x0000000003D00000-0x0000000003EB0000-memory.dmp

              memory/4164-199-0x0000000004220000-0x00000000042F6000-memory.dmp

              memory/4164-166-0x0000000003CA0000-0x0000000003CF0000-memory.dmp

              memory/4344-8-0x0000000074860000-0x000000007501C000-memory.dmp

              memory/4344-7-0x0000000006450000-0x0000000006A0A000-memory.dmp

              memory/4344-4-0x0000000005C00000-0x0000000005C28000-memory.dmp

              memory/4344-10-0x0000000074860000-0x000000007501C000-memory.dmp

              memory/4344-6-0x0000000074860000-0x000000007501C000-memory.dmp

              memory/4344-11-0x0000000074860000-0x000000007501C000-memory.dmp

              memory/4344-12-0x0000000074860000-0x000000007501C000-memory.dmp

              memory/4344-5-0x0000000005CE0000-0x0000000005E90000-memory.dmp

              memory/4344-3-0x0000000005B70000-0x0000000005C04000-memory.dmp

              memory/4344-0-0x0000000074872000-0x0000000074873000-memory.dmp

              memory/4344-2-0x0000000003790000-0x000000000379C000-memory.dmp

              memory/4344-1-0x0000000003770000-0x0000000003778000-memory.dmp

              memory/5768-218-0x0000000000ED0000-0x0000000000F7E000-memory.dmp

              memory/5768-219-0x0000000003230000-0x000000000329C000-memory.dmp

              memory/5768-220-0x000000001BF90000-0x000000001C024000-memory.dmp

              memory/5768-221-0x000000001C1E0000-0x000000001C390000-memory.dmp

              memory/5768-222-0x00000000017F0000-0x000000000180A000-memory.dmp

              memory/5768-223-0x000000001D140000-0x000000001D2C8000-memory.dmp

              memory/5768-224-0x00000000032D0000-0x0000000003311000-memory.dmp