Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 12:24

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260722-pljqeshn6v
  • SHA256 69d03a6fd4cbc4ccdc6c233af058775ccbafe653032f5f778748cc656078cf22
  • 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 12 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 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:2308
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\eed4b764c123ff2e\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:4256
  • 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:3388
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 0E9C146DBBF850D77DBEC9406BACF846 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5172
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5F3D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240738218 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4472
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6401.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240739484 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5396
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI69CE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240740921 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1528
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:6000
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 77AD78E93853EECEC7C3D36132F6A1B5
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3756
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 20B8B04EA5A9C0C9A6A9D4CACCC14E53 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4260
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3040
    • C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-jg6vb3-relay.screenconnect.com&p=443&s=38980e9c-f539-42e7-b7be-5f0cdb31c9a6&k=BgIAAACkAABSU0ExAAgAAAEAAQDdlIFg9GJ0rBG%2fXUaReizCzBwHUnjc6Oi9rEk9Ni121Bl8Z3OlMY5nQN%2bUpVl3rvxmM%2f%2bT6ybyDG9RanRJxEuSsW3j0XdpeIVV5uYRaV6U8VCo5JqnbSg19szrPEI9VOTI5y%2fxxN3r5L2eFPHU6bgN2LAVlWaATs%2fE4VA6kNp9PYnIhUMRluaC7%2bF%2bf%2beY2JpkFrDDhZSY1O7B8uEUjBZlXVGxqvV9sOksbWaBDg516XsW80cqoLkmCVzA4eQPGc8qWnszrRgTW5pbhOJyizijjnK4iBuB6vml3hxJvSh4gSk8oBLmT2ype39gyN7OKgqeWp6ke74eAAJlpHdNbNnG&t=babser"
      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:1000
      • C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.WindowsClient.exe" "RunRole" "764d4c49-b2ee-409b-9c16-48a08d46cf4a" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5068
      • C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.WindowsClient.exe" "RunRole" "a3c777e3-b1ce-4c99-8c1d-43b3e8e0f92a" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3228

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59b34a.rbs

          • Path C:\Config.Msi\e59b34a.rbs
          • Size 214KB
          • SHA256 2e2d1cdb9cb8ebdddbd01a6b5a8e045a4dd5d3ce1c45acd2bcb44adb02594164
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (eed4b764c123ff2e)\system.config
          • Size 962B
          • SHA256 cb393de5489610a77b2acb0f5dc52826faa97574a980574a3fefc3842fc518c6
          • MD5 SHA1 SHA512 TLSH

          MSI5F3D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5F3D.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5F3D.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5F3D.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5F3D.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5F3D.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6401.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6401.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\eed4b764c123ff2e\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 8f8a5b193d52cc207dbc43a213841405d00e14c76c3d8558daf9a69a4bc67099
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIB954.tmp

          • Path C:\Windows\Installer\MSIB954.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          rwtkot4s.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (eed4b764c123ff2e)\rwtkot4s.newcfg
          • Size 884B
          • SHA256 bd129ac222240d6c681192606b5cca0a5fa9d19be66863d81a8b12a74e3af32e
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (eed4b764c123ff2e)\user.config
          • Size 520B
          • SHA256 cb36c45f4beaee8dbafb0d296a7679a74e2f5cc6937254e47bb934d49db13c2c
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (eed4b764c123ff2e)\user.config
          • Size 683B
          • SHA256 ba270ca39c6bdf1781969545d6acf44b86892bedc4597563e98ce203c2e26b67
          • MD5 SHA1 SHA512 TLSH

          waub5fl5.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (eed4b764c123ff2e)\waub5fl5.newcfg
          • Size 884B
          • SHA256 31c99265c47d660b4c9613b5e6885609bbfff950a538b07da6ae03c7d97e6f31
          • MD5 SHA1 SHA512 TLSH

          memory/1000-166-0x00000000045A0000-0x00000000045F0000-memory.dmp

          memory/1000-198-0x0000000004960000-0x0000000004A36000-memory.dmp

          memory/1000-196-0x00000000045F0000-0x0000000004631000-memory.dmp

          memory/1000-190-0x0000000004770000-0x0000000004802000-memory.dmp

          memory/1000-154-0x00000000040D0000-0x00000000040EA000-memory.dmp

          memory/1000-160-0x00000000041A0000-0x0000000004234000-memory.dmp

          memory/1000-183-0x0000000004660000-0x00000000046CC000-memory.dmp

          memory/1000-164-0x00000000043F0000-0x00000000045A0000-memory.dmp

          memory/2308-8-0x0000000074810000-0x0000000074FCC000-memory.dmp

          memory/2308-4-0x0000000074810000-0x0000000074FCC000-memory.dmp

          memory/2308-9-0x0000000074810000-0x0000000074FCC000-memory.dmp

          memory/2308-7-0x0000000005F50000-0x000000000650A000-memory.dmp

          memory/2308-11-0x0000000074810000-0x0000000074FCC000-memory.dmp

          memory/2308-12-0x0000000074810000-0x0000000074FCC000-memory.dmp

          memory/2308-1-0x0000000003040000-0x0000000003048000-memory.dmp

          memory/2308-2-0x0000000003070000-0x000000000307C000-memory.dmp

          memory/2308-0-0x0000000074822000-0x0000000074823000-memory.dmp

          memory/2308-6-0x00000000057E0000-0x0000000005990000-memory.dmp

          memory/2308-3-0x0000000005720000-0x00000000057B4000-memory.dmp

          memory/2308-5-0x00000000057B0000-0x00000000057D8000-memory.dmp

          memory/4472-35-0x0000000004040000-0x000000000406E000-memory.dmp

          memory/4472-43-0x00000000041A0000-0x0000000004234000-memory.dmp

          memory/4472-39-0x0000000004070000-0x000000000407C000-memory.dmp

          memory/4472-47-0x0000000006480000-0x0000000006630000-memory.dmp

          memory/5068-219-0x0000000001060000-0x00000000010CC000-memory.dmp

          memory/5068-218-0x0000000000600000-0x00000000006AE000-memory.dmp

          memory/5068-220-0x000000001B560000-0x000000001B5F4000-memory.dmp

          memory/5068-221-0x000000001B9F0000-0x000000001BBA0000-memory.dmp

          memory/5068-222-0x0000000000E10000-0x0000000000E2A000-memory.dmp

          memory/5068-223-0x000000001BD30000-0x000000001BEB8000-memory.dmp

          memory/5068-224-0x0000000001110000-0x0000000001151000-memory.dmp

          memory/5396-77-0x0000000005870000-0x0000000005898000-memory.dmp