Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 12:19

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 11.8MB
  • Sample260629-pg6dmac16z
  • SHA256 036787c51929ccbb1c937ec0456531fd396965c139a3df8d05d93c5848662f8d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 3 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.

  • 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 4 IoCs
  • Loads dropped DLL 42 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 System32 directory 24 IoCs
  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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.

  • 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 30 IoCs
  • Modifies registry class 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SetWindowsHookEx 6 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:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5964
  • 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:5772
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 8F8C709F77615A2C9197AC8C0BE9FE76 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5688
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI98EF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240687562 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1380
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9D84.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240688546 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6104
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA209.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240689750 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2200
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1656
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5A4E054329E937F9365787BCCF538314
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3916
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding D98C4435CAF637D0557A674B77299B97 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2984
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2068
    • C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-i0kriy-relay.screenconnect.com&p=443&s=38ca3c66-95a0-405b-8d75-2811d077e768&k=BgIAAACkAABSU0ExAAgAAAEAAQD5u7nnPHHHlGWW7E01htBo%2fLpiKiB9qTyfh%2bwDkn1XT9vFdyhHe6NimRglyFD%2f9YAIvvCUplAH0hhmomj1gktqeKJmrdgrYu7ZFPMYH6%2bMcpoVMKgbByrdLdUtXpbzMwGbhy2EO4G5blCL3GBlbALJt4J6%2fe6ICru2Ky8Vfh9F5%2fTYBo0bFp56VsM08620tmsreJl5EepItmClgxfHkAuYyHsJ4z%2b4Ig3F7OYJdA%2bxfval2Uu%2bXBuQnSk6uT%2f11xqHSm7df5qD43SSZk8AgTP0wixuFpScpKv7MDbZrsDwnnKoN657ECg%2bYZOWDEY39MHjiyS8yVll88metk6mQp6b"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1680
      • C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.WindowsClient.exe" "RunRole" "0904d562-56be-4b7e-b663-1a4ef9dc0cbb" "User"
        2⤵
        • Executes dropped EXE
        • Modifies data under HKEY_USERS
        • Suspicious use of FindShellTrayWindow
        PID:5072
      • C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.WindowsBackstageShell.exe
        "C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.WindowsBackstageShell.exe"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:5364
      • C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.WindowsClient.exe" "RunRole" "a90b19ed-d79f-4316-91b1-ea696d8fe058" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5620

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58e115.rbs

          • Path C:\Config.Msi\e58e115.rbs
          • Size 214KB
          • SHA256 5bae530859f12f7636c01b70f9a593e2f3826ae9e2d90a58a075d962e129ed4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.WindowsClient.exe
          • Size 675KB
          • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\app.config
          • Size 1KB
          • SHA256 81d0cc667c5c201267786b2d25b4319354b1d1b1fef2162286be9f35fa363c4e
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (6dc330f3c8187102)\system.config
          • Size 966B
          • SHA256 fedbec7dff5028d6c4eee02724f258e1ba2cb5febff9b1de442e1f6a05baf9b7
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 5c7338db576b3824abe29af5aaa853efd1ca2a69b6023fb5a100ee7b49998fde
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 ad4a20aeff6d5ec18cb275d87ee12f7e42574b315365ce84496a0d4973d69c8a
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 ca81e3b8e509a5da53b21685c4300a7491b2efa847082d8024c216a195ee5cc2
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 f604c7f5959e1049d658f723189e176ae8919bcdf5ea65267c23891b94f7530c
          • MD5 SHA1 SHA512 TLSH

          MSI98EF.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI98EF.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI98EF.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI98EF.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI98EF.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI98EF.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9D84.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9D84.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 8e0d135002984f0dbae6575086d9a72d51aa8dd58e53a9e0eba58c0d5bc7678e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE5A9.tmp

          • Path C:\Windows\Installer\MSIE5A9.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58e114.msi

          • Path C:\Windows\Installer\e58e114.msi
          • Size 11.8MB
          • SHA256 036787c51929ccbb1c937ec0456531fd396965c139a3df8d05d93c5848662f8d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nbuo3yi0.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (6dc330f3c8187102)\nbuo3yi0.newcfg
          • Size 884B
          • SHA256 4dcdc7924ed8dc84a3f30c3b08568c27282fa96f531bd050d3a57e47fa1deba4
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (6dc330f3c8187102)\user.config
          • Size 520B
          • SHA256 6944c84eed3d706ee6fb117d8a78ca36317f54b0cc894e155ed081c26c1ae42e
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (6dc330f3c8187102)\user.config
          • Size 683B
          • SHA256 523a792ab5320d1f460140440ab7765fc3ed06858b40c82127a10b4974d0b803
          • MD5 SHA1 SHA512 TLSH

          memory/1380-40-0x0000000006610000-0x0000000006BCA000-memory.dmp

          memory/1380-27-0x0000000003AA0000-0x0000000003ACE000-memory.dmp

          memory/1380-31-0x0000000003AD0000-0x0000000003ADC000-memory.dmp

          memory/1380-35-0x0000000005C50000-0x0000000005CE4000-memory.dmp

          memory/1380-39-0x0000000005EA0000-0x0000000006050000-memory.dmp

          memory/1680-193-0x00000000041B0000-0x000000000421C000-memory.dmp

          memory/1680-194-0x00000000042C0000-0x0000000004352000-memory.dmp

          memory/1680-162-0x0000000003F40000-0x00000000040F0000-memory.dmp

          memory/1680-198-0x00000000044B0000-0x0000000004586000-memory.dmp

          memory/1680-196-0x0000000003F00000-0x0000000003F41000-memory.dmp

          memory/1680-223-0x0000000006EF0000-0x0000000006F56000-memory.dmp

          memory/1680-176-0x00000000040F0000-0x0000000004140000-memory.dmp

          memory/1680-152-0x00000000014F0000-0x000000000150A000-memory.dmp

          memory/1680-158-0x0000000003CF0000-0x0000000003D84000-memory.dmp

          memory/5072-214-0x00000000006E0000-0x000000000078C000-memory.dmp

          memory/5072-215-0x000000001B450000-0x000000001B4BC000-memory.dmp

          memory/5072-216-0x000000001B7C0000-0x000000001B854000-memory.dmp

          memory/5072-217-0x000000001BB10000-0x000000001BCC0000-memory.dmp

          memory/5072-220-0x0000000002AE0000-0x0000000002AFA000-memory.dmp

          memory/5072-221-0x000000001C8E0000-0x000000001CA68000-memory.dmp

          memory/5072-222-0x0000000002B00000-0x0000000002B41000-memory.dmp

          memory/5072-226-0x000000001B320000-0x000000001B44F000-memory.dmp

          memory/5364-219-0x0000000000A30000-0x0000000000A46000-memory.dmp

          memory/5364-227-0x000000001B5C0000-0x000000001B6EF000-memory.dmp

          memory/5620-224-0x0000000002350000-0x0000000002391000-memory.dmp

          memory/5620-225-0x000000001AC90000-0x000000001ADBF000-memory.dmp

          memory/6104-70-0x00000000051B0000-0x00000000051D8000-memory.dmp