Analysis

  • max time kernel
    149s
  • max time network
    144s
  • 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, 06:37

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.0MB
  • Sample260722-hdqensem8x
  • SHA256 bbdb4e10ba2e085d83eeb97b10efc6f446cf040cfd10deb0ee48c375f4805953
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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.

  • 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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 22 IoCs
  • 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 Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 7 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\25.9.5.9473\11e92c26a07655c8\ScreenConnect.ClientSetup.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:5332
  • 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:4632
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D93EB911CB65943B06349DD602A30A43 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3096
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI79D9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240745218 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5600
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5908
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C0CAEC0843D7D346B376B0A2A84C9831
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2180
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding B0957EA54958EB15A51B6C72F0C34617 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5112
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3372
    • C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-vaz93s-relay.screenconnect.com&p=443&s=2f53bfac-2c0c-4829-9943-3ef27f4563b5&k=BgIAAACkAABSU0ExAAgAAAEAAQARObvZeuswai8P0FdisE5KORE0LH7BBHH9viphG6xbYBIJx6UMPINMbosNFFKmX%2bEv5vJfvX9C39mL3Xp2hYgpqsCykW%2bEG9yGbUgK2JKn7qSEKuJgLc5%2bTGO0VEpsl%2bZeqK8T8t223JcBDz8GYa2k8ip2yOe9hG%2f1vOOAcq6ZhtXBYoHEwpJmjujv84D3LzGmmJ1yXvjhl6vDJyhtZQOd0va8Q2gtuI1LH2qZPTohnT8Eer9XzVY%2f5nRZwgmtytow5%2b3m6L9GsbXH17IY0PsWlqlFW8r8jDT8NhLfVDPvNVCCdhD7Tiwk%2fSa0lrHLl0Cmxuk6SkpZ%2f%2faRZBMnhG7I&c=InstallsBot%20USA&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • 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:2460
      • C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.WindowsClient.exe" "RunRole" "d4a2f217-1290-4017-8853-351295906428" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2292

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59d49d.rbs

          • Path C:\Config.Msi\e59d49d.rbs
          • Size 214KB
          • SHA256 ebe60d9ab37b5824e06e4309feed6c8a9ebbdb086637f528ed9a5c7d3597dd35
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\Client.en-US.resources
          • Size 64KB
          • SHA256 efdb0b4fcc38b52cbf72336bd107a814db8454003f3495de21e2026a148823ea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.Client.dll
          • Size 399KB
          • SHA256 dbaffdb4d49e5dba309f54b1fc110c236042ac82ccde029b2917e189edaf84d3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.ClientService.dll
          • Size 78KB
          • SHA256 c8102fc3bda354653fc1c80b500de20d1a6bb274826334f76817f595434d2f0d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a33c975b07fc9db4713b6584965dd88b143d61b99c4d699dd326374b82dcd271
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.Core.dll
          • Size 553KB
          • SHA256 a98c8a07c4b819afb60d4372b2b8428d08cdd93571acb02750c8a17287ca613b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 416a10eb49239bc3aa1b32acfa31bb206a662ab9969043a7f5fe9d6455ebc07a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.WindowsClient.exe
          • Size 604KB
          • SHA256 a5c8ede4d24165797dcfbabbb85f62c44a79b058381e68249bf418a01fc67a1d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 838KB
          • SHA256 7a94f9bc46ebc6285b6a9d2ee989357705707c7e03831ce22e6fae7d8d7b471c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (11e92c26a07655c8)\system.config
          • Size 964B
          • SHA256 40b8b9aa9b724d8e2d2581abbd1c35afefe409cf3589d1fe4d6a7dff11d17b57
          • MD5 SHA1 SHA512 TLSH

          MSI79D9.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI79D9.tmp
          • Size 1.1MB
          • SHA256 80c78c9e4eca39bdefdc9d47b9a8b49dfcc3fe1c0f135338584c7e83702d539a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI79D9.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI79D9.tmp-\ScreenConnect.Core.dll
          • Size 543KB
          • SHA256 553ace16fbc4f84d8c66ca9a56797fffd527e61215aae4c09d79a55b7653a774
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI79D9.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 7071c7fa49e4b177126d58835d7df40ec0a18424d5c9110242d612fefb1974df
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI79D9.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 d7610baba5b37a3c52bc19aae6440e7631d1184a3934ebe64f836716b427490d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.9.5.9473\11e92c26a07655c8\ScreenConnect.ClientSetup.msi
          • Size 9.6MB
          • SHA256 540977992cd5fe03331bcfa64df5b661e0da7129c66f4b3dc2866c216fdd86a4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIDAD7.tmp

          • Path C:\Windows\Installer\MSIDAD7.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 c641ec447c6330c7b363b63a101d5bf771e7a2aa7a42f45099dfe371f0d5702e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {d50c5b1e-4300-4013-b70d-e066b63fe342}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d50c5b1e-4300-4013-b70d-e066b63fe342}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 0988bda7589d87087eda0b147d96a7637a48c46ce7aa0cf081240601304d8801
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2292-132-0x00000000032C0000-0x0000000003301000-memory.dmp

          memory/2292-131-0x0000000003290000-0x00000000032A8000-memory.dmp

          memory/2292-130-0x0000000003250000-0x0000000003268000-memory.dmp

          memory/2292-129-0x000000001C5D0000-0x000000001C758000-memory.dmp

          memory/2292-128-0x000000001C290000-0x000000001C43E000-memory.dmp

          memory/2292-127-0x000000001C050000-0x000000001C0DE000-memory.dmp

          memory/2292-126-0x000000001BC40000-0x000000001BCA8000-memory.dmp

          memory/2292-125-0x0000000000F70000-0x000000000100A000-memory.dmp

          memory/2460-117-0x0000000004010000-0x0000000004051000-memory.dmp

          memory/2460-119-0x0000000004560000-0x0000000004635000-memory.dmp

          memory/2460-85-0x0000000003DC0000-0x0000000003DD8000-memory.dmp

          memory/2460-96-0x0000000004120000-0x00000000042CE000-memory.dmp

          memory/2460-110-0x0000000003FC0000-0x0000000004010000-memory.dmp

          memory/2460-92-0x0000000003E70000-0x0000000003EFE000-memory.dmp

          memory/2460-114-0x0000000004080000-0x00000000040E8000-memory.dmp

          memory/2460-115-0x0000000004370000-0x0000000004402000-memory.dmp

          memory/5260-4-0x00000000021E0000-0x0000000002204000-memory.dmp

          memory/5260-8-0x0000000074310000-0x0000000074ACC000-memory.dmp

          memory/5260-7-0x0000000006990000-0x0000000006F4A000-memory.dmp

          memory/5260-9-0x0000000074310000-0x0000000074ACC000-memory.dmp

          memory/5260-0-0x0000000074322000-0x0000000074323000-memory.dmp

          memory/5260-3-0x00000000060E0000-0x000000000616E000-memory.dmp

          memory/5260-2-0x0000000001DB0000-0x0000000001DB8000-memory.dmp

          memory/5260-11-0x0000000074310000-0x0000000074ACC000-memory.dmp

          memory/5260-1-0x0000000001D90000-0x0000000001D98000-memory.dmp

          memory/5260-6-0x0000000074310000-0x0000000074ACC000-memory.dmp

          memory/5260-5-0x0000000006220000-0x00000000063CE000-memory.dmp

          memory/5260-13-0x0000000074310000-0x0000000074ACC000-memory.dmp

          memory/5600-32-0x00000000034F0000-0x000000000351E000-memory.dmp

          memory/5600-44-0x0000000005930000-0x0000000005ADE000-memory.dmp

          memory/5600-40-0x0000000005610000-0x000000000569E000-memory.dmp

          memory/5600-36-0x0000000003520000-0x000000000352A000-memory.dmp