Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 11:14

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260728-nb7ttsgg83
  • SHA256 028a7e47977fc8f133c4ca2a1c910799c7586b4a3355f19e200497941925f123
  • 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 6 IoCs
  • Suspicious use of SendNotifyMessage 4 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:4932
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\e3ed02c266dfd707\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:3308
  • 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:5924
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 82353906197326312746FAD3EE9EE970 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5360
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI10EE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240718187 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5732
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI13BE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240718812 12 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5588
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI198B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240720328 19 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3480
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2908
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 654B0621921F521AE87F55711E1A6B28
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2260
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 582CFDBE286AB59A3316A4DEE3EFC422 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4800
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3908
    • C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-e8salu-relay.screenconnect.com&p=443&s=1b21be00-9200-4459-9311-696263c3533a&k=BgIAAACkAABSU0ExAAgAAAEAAQDp6r0xsbOjmZjNUhI3YRZEVvGIXP1tVL%2fla1RW60o%2bkbtWzfoI4%2bc5AxNqhOIjZuVYYvXgPdD8DQ76HWOnNzleatzrgjCVu6BTj%2bOy7MgzzxEvxMNxnuzmM2gV8Mapnk9yoLBBCUpU0qOgooxaW%2f0H4cMVnasmB5jzmh1BJu%2f6pJzf5JApgchy4gteOEgmr1%2bp6%2fiu%2fnrPsgVIyn8M9XzHjX6VtN5Ba7%2bX8FqNj6aBgkYoABjdrqhP7QVmVK83xIPw7C75kkCKVXyZZBtg5PVr%2bhZcf3vmhWfgQstV0K4iZgh93WHQte3b9D6QQkIZ4TFAaRYOAfvOIitqEYSfpbra&t=Valley%20Tek500&c=MFA&c=&c=&c=&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:5872
      • C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.WindowsClient.exe" "RunRole" "57b7408c-7e61-490a-a8af-c3d9328ff9aa" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1100
      • C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.WindowsClient.exe" "RunRole" "274c199f-1bf1-4ff5-a4de-a3614620048c" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3296

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59648d.rbs

          • Path C:\Config.Msi\e59648d.rbs
          • Size 214KB
          • SHA256 295577230322e50402838c9e13ca60331533009c05a4eafc75ac26c80fa6c4e9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (e3ed02c266dfd707)\system.config
          • Size 966B
          • SHA256 c70da225821ce99815af6328570551be3acbd2d8664ca104a632a31e565bb17c
          • MD5 SHA1 SHA512 TLSH

          MSI10EE.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI10EE.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI10EE.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI10EE.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI10EE.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI10EE.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI13BE.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI13BE.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\e3ed02c266dfd707\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 b6ba5e36d26c60c8a22cef2fdd399e926a8a6460af75d64a514d9ad5ba6e4f0b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI6A98.tmp

          • Path C:\Windows\Installer\MSI6A98.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ovx5f0n2.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e3ed02c266dfd707)\ovx5f0n2.newcfg
          • Size 884B
          • SHA256 deef58c63ac82f1a464249a69ef08cb5727e1840b912eb19c0c04a8e90f77bd8
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e3ed02c266dfd707)\user.config
          • Size 520B
          • SHA256 dd05128ee4cae0f3bbf061cb10d7ee554afb3e38c01965abea0c2493ca91f898
          • MD5 SHA1 SHA512 TLSH

          wwhgzmqy.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (e3ed02c266dfd707)\wwhgzmqy.newcfg
          • Size 683B
          • SHA256 8071fa9a4d4a991d4fa42fe94dfc9151397cafc0fc301a562b52a98a1396de25
          • MD5 SHA1 SHA512 TLSH

          memory/1100-220-0x00000000007D0000-0x000000000087E000-memory.dmp

          memory/1100-225-0x000000001BDD0000-0x000000001BF58000-memory.dmp

          memory/1100-221-0x000000001B4D0000-0x000000001B53C000-memory.dmp

          memory/1100-223-0x000000001BA90000-0x000000001BC40000-memory.dmp

          memory/1100-224-0x00000000029C0000-0x00000000029DA000-memory.dmp

          memory/1100-222-0x000000001B840000-0x000000001B8D4000-memory.dmp

          memory/4932-11-0x0000000074BC0000-0x000000007537C000-memory.dmp

          memory/4932-6-0x0000000005950000-0x0000000005B00000-memory.dmp

          memory/4932-12-0x0000000074BC0000-0x000000007537C000-memory.dmp

          memory/4932-8-0x00000000060C0000-0x000000000667A000-memory.dmp

          memory/4932-9-0x0000000074BC0000-0x000000007537C000-memory.dmp

          memory/4932-0-0x0000000074BD2000-0x0000000074BD3000-memory.dmp

          memory/4932-3-0x0000000005760000-0x00000000057F4000-memory.dmp

          memory/4932-5-0x00000000057F0000-0x0000000005818000-memory.dmp

          memory/4932-7-0x0000000074BC0000-0x000000007537C000-memory.dmp

          memory/4932-2-0x0000000003090000-0x000000000309C000-memory.dmp

          memory/4932-1-0x0000000003070000-0x0000000003078000-memory.dmp

          memory/4932-4-0x0000000074BC0000-0x000000007537C000-memory.dmp

          memory/5588-75-0x0000000003E60000-0x0000000003E88000-memory.dmp

          memory/5732-37-0x0000000005D50000-0x0000000005D5C000-memory.dmp

          memory/5732-41-0x0000000005E00000-0x0000000005E94000-memory.dmp

          memory/5732-33-0x0000000005D20000-0x0000000005D4E000-memory.dmp

          memory/5732-45-0x0000000006050000-0x0000000006200000-memory.dmp

          memory/5872-201-0x0000000004B10000-0x0000000004BE6000-memory.dmp

          memory/5872-199-0x00000000045C0000-0x0000000004601000-memory.dmp

          memory/5872-197-0x0000000004920000-0x00000000049B2000-memory.dmp

          memory/5872-196-0x0000000004630000-0x000000000469C000-memory.dmp

          memory/5872-177-0x0000000004560000-0x00000000045B0000-memory.dmp

          memory/5872-164-0x0000000004770000-0x0000000004920000-memory.dmp

          memory/5872-160-0x0000000004470000-0x0000000004504000-memory.dmp

          memory/5872-154-0x0000000001D50000-0x0000000001D6A000-memory.dmp

          memory/5924-116-0x0000014D5EB30000-0x0000014D5EE77000-memory.dmp

          memory/5924-227-0x0000014D5EB30000-0x0000014D5EE77000-memory.dmp