Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 16:07

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260731-tkp82abl5w
  • SHA256 2bb9e92952edb809d50f83d090b68cba1bfbae48d50a462d3a37c7c260384fb7
  • 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:4572
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.5.3.9691\575c70c8aef1c532\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:2380
  • 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:2824
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 00C0A80803B8F327B7EEBAEE1848476A C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4DD8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240734203 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3948
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5470.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240735390 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1772
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5AF9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240737281 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4208
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5464
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4AE96D0EDD48758EAB79993B21E90420
        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 68D72BC9803E1BDE33EBB03607224020 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1084
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3656
    • C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-omcdhq-relay.screenconnect.com&p=443&s=4d8a99ab-8348-4200-8254-35fb5713142d&k=BgIAAACkAABSU0ExAAgAAAEAAQBdnjg9NDHmg6fPgulNFTxaRNRdCq5YpD%2b9U0AiUxTjHw8xBZ2NGqiEc%2fhJ3RzderCdo7DJ38Y2RvlJHkNjwx6LX0FtcwwDwJzAq%2f6a2fAFY1DdarpFAdvKEAz7V2GmC9dAQSnfrfJtYzATpbvSX0vODBHxvm3h%2bQYftF86Apfm8KR5%2b79ErAmfLhxAI48zx1y7pe7v6YSAnxVYGuYIeTcd9yq%2ffwoASRDFOEW8hoT9WNY3mZTDaifqxBs8R7xcM9%2b1OMLSkLsD3o765jpwImJkRns9Pp%2fpfUMF1iRkBW64wZA1MWeRLWgpexJEYGbwv8Z800s1DQdAnghkEHS%2bFqLR&c=cne.hugo&c=eferadyo.com.tr&c=&c=SP&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:1328
      • C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe" "RunRole" "707aecef-c7b5-4f0d-bfb5-80d70a178501" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:6004
      • C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe" "RunRole" "a208250d-232b-482c-99c3-6d04619188a9" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4968

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59a986.rbs

          • Path C:\Config.Msi\e59a986.rbs
          • Size 214KB
          • SHA256 da76f2496393752bd6b4f0a4a131d47aa4e3736c6a6d871e3d1c87a409e4db61
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.Core.dll
          • Size 579KB
          • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe
          • Size 678KB
          • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (575c70c8aef1c532)\system.config
          • Size 962B
          • SHA256 753512eeae97f4e81d6936799afb1bb6bac528c136e50fd84b44ad38b5c37d56
          • MD5 SHA1 SHA512 TLSH

          MSI4DD8.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4DD8.tmp
          • Size 1.1MB
          • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4DD8.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4DD8.tmp-\ScreenConnect.Core.dll
          • Size 569KB
          • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4DD8.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4DD8.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5470.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5470.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\575c70c8aef1c532\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 e6987551a29ef573ea396e86fefaa2c315cf0a831218e491ed833fc52433c4b3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIB07B.tmp

          • Path C:\Windows\Installer\MSIB07B.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          0bnj2ldr.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (575c70c8aef1c532)\0bnj2ldr.newcfg
          • Size 683B
          • SHA256 78084d0dcafbd2871e99f31d07dc9548eeeb0c736d1aa99d98688265e8f0ecac
          • MD5 SHA1 SHA512 TLSH

          pnk5kiay.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (575c70c8aef1c532)\pnk5kiay.newcfg
          • Size 881B
          • SHA256 e31014c38be01a61fc09c52db33556b5b49c1d701b28ecffdeb8c8a07b7b5404
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (575c70c8aef1c532)\user.config
          • Size 520B
          • SHA256 9e3c6b07b3d5ece5f50eebe558e67e2b1ecb7c1b93f552ee81990df56c728130
          • MD5 SHA1 SHA512 TLSH

          memory/1328-195-0x0000000003F70000-0x0000000004002000-memory.dmp

          memory/1328-199-0x0000000004160000-0x0000000004236000-memory.dmp

          memory/1328-194-0x0000000003E60000-0x0000000003ECC000-memory.dmp

          memory/1328-152-0x0000000001440000-0x000000000145A000-memory.dmp

          memory/1328-197-0x0000000003BB0000-0x0000000003BF1000-memory.dmp

          memory/1328-175-0x0000000003DA0000-0x0000000003DF0000-memory.dmp

          memory/1328-158-0x00000000039A0000-0x0000000003A34000-memory.dmp

          memory/1328-162-0x0000000003BF0000-0x0000000003DA0000-memory.dmp

          memory/1772-75-0x0000000003A20000-0x0000000003A48000-memory.dmp

          memory/2824-225-0x00000143CC7C0000-0x00000143CD164000-memory.dmp

          memory/3948-33-0x0000000005C80000-0x0000000005CAE000-memory.dmp

          memory/3948-41-0x0000000005DB0000-0x0000000005E44000-memory.dmp

          memory/3948-45-0x0000000006000000-0x00000000061B0000-memory.dmp

          memory/3948-37-0x0000000005CC0000-0x0000000005CCC000-memory.dmp

          memory/4572-7-0x0000000074D00000-0x00000000754BC000-memory.dmp

          memory/4572-11-0x0000000074D00000-0x00000000754BC000-memory.dmp

          memory/4572-0-0x0000000074D12000-0x0000000074D13000-memory.dmp

          memory/4572-6-0x0000000005E30000-0x0000000005FE0000-memory.dmp

          memory/4572-10-0x0000000074D00000-0x00000000754BC000-memory.dmp

          memory/4572-5-0x0000000005DC0000-0x0000000005DE8000-memory.dmp

          memory/4572-4-0x0000000005D10000-0x0000000005DA4000-memory.dmp

          memory/4572-3-0x0000000074D00000-0x00000000754BC000-memory.dmp

          memory/4572-2-0x0000000005CA0000-0x0000000005CAC000-memory.dmp

          memory/4572-8-0x00000000065A0000-0x0000000006B5A000-memory.dmp

          memory/4572-1-0x0000000005C80000-0x0000000005C88000-memory.dmp

          memory/4572-13-0x0000000074D00000-0x00000000754BC000-memory.dmp

          memory/4968-227-0x00000000028D0000-0x0000000002911000-memory.dmp

          memory/6004-218-0x0000000002C10000-0x0000000002C7C000-memory.dmp

          memory/6004-220-0x000000001B960000-0x000000001B9F4000-memory.dmp

          memory/6004-221-0x000000001BBB0000-0x000000001BD60000-memory.dmp

          memory/6004-222-0x00000000012C0000-0x00000000012DA000-memory.dmp

          memory/6004-223-0x000000001BEF0000-0x000000001C078000-memory.dmp

          memory/6004-224-0x00000000012F0000-0x0000000001331000-memory.dmp

          memory/6004-217-0x0000000000870000-0x000000000091E000-memory.dmp