Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 00:19

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260808-amny7swdng
  • SHA256 79fbf52e5dd38934776fddb27739e67a7a6ef0a0f3665d864f93cd72c6ed068c
  • 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 9 IoCs
  • Suspicious use of SendNotifyMessage 7 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:5260
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\0ab5e7b6639ebce3\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:2128
  • 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:4192
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D6422FE50DBC0D81CB9B2184506C14CC C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4144
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA5CB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240756296 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4796
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA84D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240756843 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4628
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1B9A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240786359 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1072
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4860
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 69D2B8679B2AC3FD595F623C430E9EAB
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1904
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding D7D8E7FA8690A0622436D5FB849751D1 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4044
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1928
    • C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-bnh08t-relay.screenconnect.com&p=443&s=187a3a63-d91a-445d-8577-dbbc7e192265&k=BgIAAACkAABSU0ExAAgAAAEAAQD9YX%2bg9o0rD3UqbUPQ3c%2bVxtYpUF0JbdmsLAsIGJ6zVmmLlTGOwZbX7AAdrO%2fZA%2fQZtRNrIIzI97W5ZICkbKEXIzfsNc0JxWaaIwr7cMmT1DsRwkAH86ZHLXZXzQZ4A91WoDT761JWuMjLwig2ubX5yPV%2fXrfAqWTaV3mLlTOZt6LauOWssAJtRfs3cWl48SH4aY%2fCCKDMB5fCY%2bTaOCSn6bT%2fSQNXTroBBZcnO0jaQqpmpV3tqivpDVGKLq8tUM4MVRBHW6a05EHll8m2KaOxhLFNP7WUvkVWqRFQ%2fqKChVzxxZTeIuHbydu11MoCIZ2ovAmp4VZeoIbKZFvKUevr"
      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:2432
      • C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.WindowsClient.exe" "RunRole" "58e15a31-369f-402d-ab8c-d9acfc7302da" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2948
      • C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.WindowsClient.exe" "RunRole" "3b29744c-5747-4a90-b33b-375eee2f883a" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5032

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a70be.rbs

          • Path C:\Config.Msi\e5a70be.rbs
          • Size 214KB
          • SHA256 f59ddb2a78619bffeabd51ff0a96df6e1bde7754b7c75e711ade2d33ea17076c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (0ab5e7b6639ebce3)\system.config
          • Size 962B
          • SHA256 79ff182156cc909b9f0860fb5bab49ba9057ea192d75c3dbedd4ab6ea8a7d6a8
          • MD5 SHA1 SHA512 TLSH

          MSIA5CB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA5CB.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA5CB.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA5CB.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA5CB.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA5CB.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA84D.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA84D.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\0ab5e7b6639ebce3\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 d1b89e6ae6ca885058ffc1115f5f544104bd7d24efd2465bcaf1a6bcdbbd1789
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI77D2.tmp

          • Path C:\Windows\Installer\MSI77D2.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          0gvb2yia.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0ab5e7b6639ebce3)\0gvb2yia.newcfg
          • Size 882B
          • SHA256 7a3ddcb3a3d40b554381c200e94be9a73098dca21fe5bdb1ec018a3fde7db744
          • MD5 SHA1 SHA512 TLSH

          hd4xjnzg.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0ab5e7b6639ebce3)\hd4xjnzg.newcfg
          • Size 882B
          • SHA256 90bfb3ed7d58c13717c386b7f62da148c59ac9f1dba64cd70e219147e5adefcb
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0ab5e7b6639ebce3)\user.config
          • Size 683B
          • SHA256 db4864063e5819b00953eea89cfc5a42a385d2bcdd91eb334ab13e3f60304739
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0ab5e7b6639ebce3)\user.config
          • Size 520B
          • SHA256 c7c268697d03c589594c52b8e0da9851091c2f53b4a95cf6c51a0c986f311832
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 d814a7de6829b04251e0569c66911e6fe4c90c2d2a6e32089c410e74af871b35
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {9abc976b-8cc4-47c0-abc3-c787d228b959}_OnDiskSnapshotProp

          • Path \??\Volume{ca73a981-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{9abc976b-8cc4-47c0-abc3-c787d228b959}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 728e87a72d038d45c29dec06a3a28357ab6e997e9d09a8b9a2681cdeb93e48c5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2432-197-0x0000000004480000-0x0000000004556000-memory.dmp

          memory/2432-195-0x0000000004110000-0x0000000004151000-memory.dmp

          memory/2432-152-0x0000000001760000-0x000000000177A000-memory.dmp

          memory/2432-193-0x0000000004290000-0x0000000004322000-memory.dmp

          memory/2432-158-0x0000000003CD0000-0x0000000003D64000-memory.dmp

          memory/2432-162-0x0000000003F60000-0x0000000004110000-memory.dmp

          memory/2432-192-0x0000000004180000-0x00000000041EC000-memory.dmp

          memory/2432-175-0x0000000003F00000-0x0000000003F50000-memory.dmp

          memory/2948-219-0x000000001BAF0000-0x000000001BCA0000-memory.dmp

          memory/2948-216-0x0000000000770000-0x000000000081E000-memory.dmp

          memory/2948-217-0x0000000002B60000-0x0000000002BCC000-memory.dmp

          memory/2948-218-0x000000001B8A0000-0x000000001B934000-memory.dmp

          memory/2948-221-0x000000001BE30000-0x000000001BFB8000-memory.dmp

          memory/2948-220-0x0000000001090000-0x00000000010AA000-memory.dmp

          memory/4628-75-0x0000000005260000-0x0000000005288000-memory.dmp

          memory/4796-33-0x00000000035A0000-0x00000000035CE000-memory.dmp

          memory/4796-45-0x00000000058E0000-0x0000000005A90000-memory.dmp

          memory/4796-37-0x0000000003550000-0x000000000355C000-memory.dmp

          memory/4796-41-0x0000000005690000-0x0000000005724000-memory.dmp

          memory/5260-7-0x00000000064C0000-0x0000000006A7A000-memory.dmp

          memory/5260-5-0x0000000005D50000-0x0000000005F00000-memory.dmp

          memory/5260-1-0x0000000001BF0000-0x0000000001BF8000-memory.dmp

          memory/5260-6-0x0000000074DD0000-0x000000007558C000-memory.dmp

          memory/5260-8-0x0000000074DD0000-0x000000007558C000-memory.dmp

          memory/5260-10-0x0000000074DD0000-0x000000007558C000-memory.dmp

          memory/5260-11-0x0000000074DD0000-0x000000007558C000-memory.dmp

          memory/5260-12-0x0000000074DD0000-0x000000007558C000-memory.dmp

          memory/5260-0-0x0000000074DE2000-0x0000000074DE3000-memory.dmp

          memory/5260-2-0x0000000003540000-0x000000000354C000-memory.dmp

          memory/5260-3-0x0000000005CC0000-0x0000000005D54000-memory.dmp

          memory/5260-4-0x0000000003590000-0x00000000035B8000-memory.dmp