Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/07/2026, 12:19

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260717-pg7axset71
  • SHA256 e642cb3bec6cf925307288e5450058ea7cc4be1435fcaf8c6597e2b0156dd9e1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 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 3 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 12 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • 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 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 9 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:5076
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5836
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Badlisted process makes network request
      • 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:4184
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2AAB06BFAC4C96A63937CDAC85EF0FA9 C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4896
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9F92.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240754812 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
          3⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:4468
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA3E8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240755875 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
          3⤵
          • Badlisted process makes network request
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:3960
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIAA23.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240757375 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
          3⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:5756
      • C:\Windows\system32\srtasks.exe
        C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
        2⤵
          PID:2480
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding C39D6DA7D2940C29E64A9B5B539A1331
          2⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:6068
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding EB06255422CF0E32C6B7674E5B3BBCD1 E Global\MSI0000
          2⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1488
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:4680
      • C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.ClientService.exe
        "C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-gwwxwd-relay.screenconnect.com&p=443&s=b141a38f-600c-4b57-8386-2682c9a7efa1&k=BgIAAACkAABSU0ExAAgAAAEAAQCtF3eBhkHnjBNXWaFcGQK3ll3%2b7IBwebl12X3umU74GG3iLToq8pbRZsj%2fNlGK4rJSvymyYuLHYHZNq0%2bqWLGrvPvP%2fcLdTx6Slk37ydYqpWomkhbLDaXgKx6sK45VZJtR2FF2jnOe%2f8ICpsmroiX%2bBvkirqUm%2b8f8A4rTOr814xKxPTK534Ltfn%2brUFg50huSOqjyBxJsDGdQLEpI1Udo2Fzb4eFw%2fu6A3W1y%2b5VdiWnZ0r8umBwPdM0PWGopGvEyBBMCh2O%2fYaCJzWxDgW3olXVHPV8ZaSPqGcK7OcTl51J5yQEGbftQc6%2f7kqpEwn1243jZ2%2flkFD8XFFQsCIPw"
        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:2140
        • C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe
          "C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe" "RunRole" "668cb0ab-e5b0-42aa-b2ec-7d0c3ca95f13" "User"
          2⤵
          • Executes dropped EXE
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2536
        • C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe
          "C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe" "RunRole" "bba0bf3f-1448-43ba-b69d-caa9bd62c1c8" "System"
          2⤵
          • Executes dropped EXE
          • Checks processor information in registry
          • Modifies data under HKEY_USERS
          PID:4764

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e59ea57.rbs

            • Path C:\Config.Msi\e59ea57.rbs
            • Size 214KB
            • SHA256 938fe0c76dc25ce3f8e5af9fec5d25a3a8661d03ddbe1d3d053a733bd59431fe
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\Client.en-US.resources
            • Size 64KB
            • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\Client.resources
            • Size 6KB
            • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.Client.dll
            • Size 412KB
            • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.ClientService.dll
            • Size 91KB
            • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.Core.dll
            • Size 577KB
            • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsAuthenticationPackage.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsAuthenticationPackage.dll
            • Size 254KB
            • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe
            • Size 675KB
            • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe.config

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsClient.exe.config
            • Size 266B
            • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsCredentialProvider.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\ScreenConnect.WindowsCredentialProvider.dll
            • Size 837KB
            • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
            • MD5 SHA1 SHA512 SSDEEP TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (c7f5a80a753e6b83)\system.config
            • Size 970B
            • SHA256 1d64fbb3f2e151ada70e725c3fe5087d6da4a54f77f217b866db841a7ade0fa2
            • MD5 SHA1 SHA512 TLSH

            57C8EDB95DF3F0AD4EE2DC2B8CFD4157

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
            • Size 342B
            • SHA256 986f3a02d81d60099d04f8916a655d47718c9366ca208f2a2bd4591bdbccde35
            • MD5 SHA1 SHA512 TLSH

            MSI9F92.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI9F92.tmp
            • Size 1.1MB
            • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI9F92.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI9F92.tmp-\ScreenConnect.Core.dll
            • Size 567KB
            • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI9F92.tmp-\ScreenConnect.InstallerActions.dll
            • Size 24KB
            • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI9F92.tmp-\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CustomAction.config

            • Path C:\Users\Admin\AppData\Local\Temp\MSIA3E8.tmp-\CustomAction.config
            • Size 234B
            • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIA3E8.tmp-\ScreenConnect.WindowsInstaller.dll
            • Size 137KB
            • SHA256 8e0d135002984f0dbae6575086d9a72d51aa8dd58e53a9e0eba58c0d5bc7678e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI2925.tmp

            • Path C:\Windows\Installer\MSI2925.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e59ea56.msi

            • Path C:\Windows\Installer\e59ea56.msi
            • Size 9.8MB
            • SHA256 e642cb3bec6cf925307288e5450058ea7cc4be1435fcaf8c6597e2b0156dd9e1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            huijml1w.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7f5a80a753e6b83)\huijml1w.newcfg
            • Size 683B
            • SHA256 44e85b7018b14e510da79954c0ebe47fa6aefe11a20dd77cb9ec51f321f0209e
            • MD5 SHA1 SHA512 TLSH

            u0vhifmu.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7f5a80a753e6b83)\u0vhifmu.newcfg
            • Size 884B
            • SHA256 5316e24827248737827db100edf513c6d14fb9977de190c2f23c30418c61b371
            • MD5 SHA1 SHA512 TLSH

            user.config

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7f5a80a753e6b83)\user.config
            • Size 520B
            • SHA256 a9120b7b8b763d2142ae8c3d4bf0dd60fcc8be8564b70121f4941d53af4abbe8
            • MD5 SHA1 SHA512 TLSH

            vb3l0odc.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (c7f5a80a753e6b83)\vb3l0odc.newcfg
            • Size 884B
            • SHA256 f15752921b2f9f5074d3f73dc188ca366669bc852bef961a59bc75b8b9b0fbc1
            • MD5 SHA1 SHA512 TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 7f8100f1291f450d60ab243cb44a0798a98367f7322342cff60af73a85a6c9af
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {be14de54-23d9-4640-8e79-d626bafd940a}_OnDiskSnapshotProp

            • Path \??\Volume{6392210f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{be14de54-23d9-4640-8e79-d626bafd940a}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 2d279d4d88b586d24a34220e5b3f178ae6964378d51fdff094d3bf9ef6d4433a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2140-175-0x0000000004680000-0x00000000046EC000-memory.dmp

            memory/2140-180-0x0000000004610000-0x0000000004651000-memory.dmp

            memory/2140-156-0x00000000045C0000-0x0000000004610000-memory.dmp

            memory/2140-154-0x0000000004410000-0x00000000045C0000-memory.dmp

            memory/2140-178-0x0000000004790000-0x0000000004822000-memory.dmp

            memory/2140-184-0x0000000004980000-0x0000000004A56000-memory.dmp

            memory/2140-144-0x0000000001CA0000-0x0000000001CBA000-memory.dmp

            memory/2140-150-0x00000000041C0000-0x0000000004254000-memory.dmp

            memory/2536-211-0x000000001BA30000-0x000000001BAC4000-memory.dmp

            memory/2536-209-0x0000000000900000-0x00000000009AC000-memory.dmp

            memory/2536-212-0x000000001BC80000-0x000000001BE30000-memory.dmp

            memory/2536-214-0x0000000001330000-0x000000000134A000-memory.dmp

            memory/2536-215-0x000000001BFC0000-0x000000001C148000-memory.dmp

            memory/2536-210-0x0000000002DA0000-0x0000000002E0C000-memory.dmp

            memory/2536-216-0x0000000002C40000-0x0000000002C81000-memory.dmp

            memory/3960-62-0x0000000003800000-0x0000000003828000-memory.dmp

            memory/4468-27-0x00000000053C0000-0x0000000005454000-memory.dmp

            memory/4468-23-0x0000000005310000-0x000000000531C000-memory.dmp

            memory/4468-31-0x0000000005610000-0x00000000057C0000-memory.dmp

            memory/4468-32-0x0000000005D80000-0x000000000633A000-memory.dmp

            memory/4468-19-0x00000000052E0000-0x000000000530E000-memory.dmp