Analysis

  • max time kernel
    148s
  • max time network
    137s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 01:15

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260730-bmbvbazvbs
  • SHA256 4fec33e2544b3a74bf45ec01d43831a6f27c0e6c5e87c0de24b61ff29e5056b5
  • 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 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:1792
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\fa50129702da8491\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:1116
  • 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:2896
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding BD0262CBB20238128FF51B85147F332B C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4416
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC50B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240764281 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4640
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC76E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240764796 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1524
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSICC32.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240766031 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4676
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5236
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding BE58CF5BB0290B83325684E0377E75AE
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:248
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C4AC66A08D9A3B01063B74D7F30E36D2 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5056
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4148
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:4732
      • C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.ClientService.exe
        "C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-kwimgq-relay.screenconnect.com&p=443&s=71043de1-2bf2-44f1-b4da-0f35657abd6b&k=BgIAAACkAABSU0ExAAgAAAEAAQC5yMpOmLknsSKCE5bB2e0AAK8YG3ysQ07jehjHsVZRRSck1%2fM1DwBE9%2bYzoiIOT0eDDenz76%2fO6Y6pCi0uwJ350DJHrH8CEY9Jx1u505caF%2fKIURF1lhq3tDyEuK%2f87U52mO0ZyEC7rKdLkmgWGv%2bvZkqivLTcl0zOsFfMp35bN%2fJ6OV7Aqzmggz8pxUjEuc%2bFSwmhM%2bL4H%2fCyxviSNn9BCDKDFgdRsEviS0iDWTN3cEtzYNUpo99m%2bHO6qidjRZrPy%2fn1y1BoIqD8cpqJuwxDbZ5dyfzm6YbvMB4FimBaLX%2bVhfVAQN4GyHGq%2bNZUVSD%2b6qyrGlySnMb7cKeRaqvK"
        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:6004
        • C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.WindowsClient.exe
          "C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.WindowsClient.exe" "RunRole" "9d9f5623-b15b-4738-a69d-79618085a0c8" "User"
          2⤵
          • Executes dropped EXE
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1324
        • C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.WindowsClient.exe
          "C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.WindowsClient.exe" "RunRole" "d3b18c37-517c-4d66-b252-53b75a91e57a" "System"
          2⤵
          • Executes dropped EXE
          • Checks processor information in registry
          • Modifies data under HKEY_USERS
          PID:5868

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e5a134c.rbs

            • Path C:\Config.Msi\e5a134c.rbs
            • Size 214KB
            • SHA256 889c1ee8cc2e71baf80250528533add3e8fe9cfa1c9b4499c216af6c1e6a56f7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\Client.en-US.resources
            • Size 64KB
            • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\Client.resources
            • Size 6KB
            • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.Client.dll
            • Size 412KB
            • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.ClientService.dll
            • Size 91KB
            • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.Core.dll
            • Size 577KB
            • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsAuthenticationPackage.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.WindowsAuthenticationPackage.dll
            • Size 254KB
            • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.WindowsClient.exe
            • Size 676KB
            • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe.config

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.WindowsClient.exe.config
            • Size 266B
            • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsCredentialProvider.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\ScreenConnect.WindowsCredentialProvider.dll
            • Size 837KB
            • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (fa50129702da8491)\system.config
            • Size 974B
            • SHA256 17fac804bad43cc634bc1d8f9059a80e918592800eb2555afc1fa988fae3d3f5
            • MD5 SHA1 SHA512 TLSH

            MSIC50B.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC50B.tmp
            • Size 1.1MB
            • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC50B.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC50B.tmp-\ScreenConnect.Core.dll
            • Size 567KB
            • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC50B.tmp-\ScreenConnect.InstallerActions.dll
            • Size 24KB
            • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC50B.tmp-\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CustomAction.config

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC76E.tmp-\CustomAction.config
            • Size 234B
            • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSIC76E.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\fa50129702da8491\ScreenConnect.ClientSetup.msi
            • Size 9.8MB
            • SHA256 bdd78bf2a21a9722b1a64cf2a0f4cfd4880de75633d59b58ecaf045a528fca23
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI19E3.tmp

            • Path C:\Windows\Installer\MSI19E3.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            hgyv5cdv.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fa50129702da8491)\hgyv5cdv.newcfg
            • Size 683B
            • SHA256 47457d39fb1379885aed76015fc792161e12645dbce98a259a4c5915f60982de
            • MD5 SHA1 SHA512 TLSH

            hrvfkxup.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fa50129702da8491)\hrvfkxup.newcfg
            • Size 883B
            • SHA256 468352b1c1b2b0a7b973033a01dc203b94f427158cf228dfa9204a3c0e872ddc
            • MD5 SHA1 SHA512 TLSH

            user.config

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (fa50129702da8491)\user.config
            • Size 520B
            • SHA256 bce4a209ca1f4692b83a4ddedf542262878064aca778389d8a005918f47d7174
            • MD5 SHA1 SHA512 TLSH

            memory/1324-223-0x000000001BB60000-0x000000001BD10000-memory.dmp

            memory/1324-224-0x0000000002970000-0x000000000298A000-memory.dmp

            memory/1324-221-0x000000001B910000-0x000000001B9A4000-memory.dmp

            memory/1324-219-0x0000000000890000-0x000000000093E000-memory.dmp

            memory/1324-220-0x000000001B500000-0x000000001B56C000-memory.dmp

            memory/1324-226-0x00000000029D0000-0x0000000002A11000-memory.dmp

            memory/1324-225-0x000000001BEA0000-0x000000001C028000-memory.dmp

            memory/1524-77-0x0000000003910000-0x0000000003938000-memory.dmp

            memory/1792-4-0x0000000074430000-0x0000000074BEC000-memory.dmp

            memory/1792-5-0x0000000005790000-0x00000000057B8000-memory.dmp

            memory/1792-1-0x00000000018F0000-0x00000000018F8000-memory.dmp

            memory/1792-9-0x0000000074430000-0x0000000074BEC000-memory.dmp

            memory/1792-2-0x0000000001940000-0x000000000194C000-memory.dmp

            memory/1792-7-0x0000000005FC0000-0x000000000657A000-memory.dmp

            memory/1792-3-0x00000000056E0000-0x0000000005774000-memory.dmp

            memory/1792-6-0x0000000005850000-0x0000000005A00000-memory.dmp

            memory/1792-0-0x0000000074442000-0x0000000074443000-memory.dmp

            memory/1792-12-0x0000000074430000-0x0000000074BEC000-memory.dmp

            memory/1792-10-0x0000000074430000-0x0000000074BEC000-memory.dmp

            memory/1792-8-0x0000000074430000-0x0000000074BEC000-memory.dmp

            memory/4640-35-0x0000000005480000-0x00000000054AE000-memory.dmp

            memory/4640-47-0x00000000057C0000-0x0000000005970000-memory.dmp

            memory/4640-43-0x0000000005570000-0x0000000005604000-memory.dmp

            memory/4640-39-0x00000000054C0000-0x00000000054CC000-memory.dmp

            memory/6004-197-0x00000000048B0000-0x0000000004942000-memory.dmp

            memory/6004-154-0x0000000001C90000-0x0000000001CAA000-memory.dmp

            memory/6004-160-0x00000000043D0000-0x0000000004464000-memory.dmp

            memory/6004-201-0x0000000004AA0000-0x0000000004B76000-memory.dmp

            memory/6004-199-0x00000000044B0000-0x00000000044F1000-memory.dmp

            memory/6004-196-0x00000000045C0000-0x000000000462C000-memory.dmp

            memory/6004-164-0x0000000004660000-0x0000000004810000-memory.dmp

            memory/6004-176-0x0000000004500000-0x0000000004550000-memory.dmp