Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 18:28

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample261002-w4svdaxt4q
  • SHA256 13e544bda3f4969549f6f160e66b25062b1c8d12f52dc6169200c9693830aa0f
  • 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 47 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).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • 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:696
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\ad34e8377bf65aec\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:1164
  • 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:3240
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DFEC160B0A7DC7156D1FC071A237798B C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1568
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC89.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240717093 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3376
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF59.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240717718 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:1664
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI14E8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240719125 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:208
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1068
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9529C40A0D30ACA61C2C539009F15F86
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2144
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 86B9486DA6C4A85235D34B55A7BCD6D6 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4124
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5616
    • C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-m11i6c-relay.screenconnect.com&p=443&s=f1c1b21c-1ff3-4425-a1f4-dee65b4ce010&k=BgIAAACkAABSU0ExAAgAAAEAAQCRC91h2afPsttczhfVSdTC3iMHFsyrSqmBCBz3g3rtcmFsdzw1tYwBfoE7H6XyOl%2biRprFhzeZStRJ9aln5UCmuUVfx9Qkpij%2fxqisQKEshf2%2bVgDOyWJlm6AcXke1mDDhT2cOX2edaY3BmJLKZs56YrNoEptiFMj2E6xiDP9VjosIgQhFaZGSCblS%2fyTYqasVWxUztnGsijrbCvKRIaJ2X%2fZov4aQG5iqH3vfLiAMLoj2FFAYXg8e2ecqnvt4AgcHm7%2bgmfYTcbmvpsQ9ZI4RiLltnCW%2bY410AJKghHx1%2ffX%2fatMOYRIPxbC3MsP1df4TFiaboQ%2bjwK4SAfwmnm7B"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5148
      • C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.WindowsClient.exe" "RunRole" "287cfb20-0a8a-43c7-8007-25765e2cafce" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1296
      • C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.WindowsClient.exe" "RunRole" "141c8e24-ec6e-4852-9cd1-fd65a94e77e7" "System"
        2⤵
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        PID:2600

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59645e.rbs

          • Path C:\Config.Msi\e59645e.rbs
          • Size 214KB
          • SHA256 69f5ea651a6e2977ecf9de2b6479d9dbe5228a01ee5e03c361be41cb4fd5e539
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.Core.dll
          • Size 582KB
          • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.WindowsClient.exe
          • Size 685KB
          • SHA256 2763b953657e3c4d6b2f952218a1e1963bcd6971f0b1102d99bb7efea04ceb29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (ad34e8377bf65aec)\system.config
          • Size 964B
          • SHA256 290a3de86afff9c4133c6130ee9463dd3005af2c4f2709894d7ca819d0c1a493
          • MD5 SHA1 SHA512 TLSH

          MSIC89.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC89.tmp
          • Size 1.1MB
          • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC89.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC89.tmp-\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC89.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC89.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF59.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF59.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 361bbc692084841e4c8d22c89ca89c711d0fe17bc8759241736531a2f28de25b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.5.9742\ad34e8377bf65aec\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 f2ddaa80e71897b92fb9a053a9472432c5a99daa827b83d2809912d9dd36e091
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI6C0F.tmp

          • Path C:\Windows\Installer\MSI6C0F.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          a0qjfju4.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ad34e8377bf65aec)\a0qjfju4.newcfg
          • Size 882B
          • SHA256 c8a43af007ad46c4318460186105a7392d203f8014390d47394be4f68c32d148
          • MD5 SHA1 SHA512 TLSH

          f313svnk.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ad34e8377bf65aec)\f313svnk.newcfg
          • Size 683B
          • SHA256 5ee529e2ad714bf59798d73ef2a56b222af2734db299ea4434d955c3d2a8032e
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ad34e8377bf65aec)\user.config
          • Size 520B
          • SHA256 89553d0c377a2fec883417a8ed9476dc0626e11e1f8ce66b230c537a6d64e780
          • MD5 SHA1 SHA512 TLSH

          {7cb2e324-d11e-4eda-8d22-bddea9f6293b}_OnDiskSnapshotProp

          • Path \??\Volume{e35bb194-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{7cb2e324-d11e-4eda-8d22-bddea9f6293b}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 883cb8142d75744dc8971aef63870177063e3fb526061d7725e6b062cb0ecd2d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/696-6-0x0000000074CB0000-0x000000007546C000-memory.dmp

          memory/696-4-0x0000000005F20000-0x0000000005F48000-memory.dmp

          memory/696-1-0x0000000003960000-0x0000000003968000-memory.dmp

          memory/696-12-0x0000000074CB0000-0x000000007546C000-memory.dmp

          memory/696-11-0x0000000074CB0000-0x000000007546C000-memory.dmp

          memory/696-2-0x0000000003980000-0x000000000398C000-memory.dmp

          memory/696-3-0x0000000005F90000-0x0000000006026000-memory.dmp

          memory/696-9-0x0000000074CB0000-0x000000007546C000-memory.dmp

          memory/696-8-0x0000000074CB0000-0x000000007546C000-memory.dmp

          memory/696-0-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

          memory/696-5-0x0000000006020000-0x00000000061D0000-memory.dmp

          memory/696-7-0x0000000006790000-0x0000000006D4A000-memory.dmp

          memory/1296-220-0x0000000000E90000-0x0000000000EFC000-memory.dmp

          memory/1296-226-0x000000001BBF0000-0x000000001BD78000-memory.dmp

          memory/1296-225-0x0000000000E30000-0x0000000000E4A000-memory.dmp

          memory/1296-224-0x000000001BA40000-0x000000001BBF0000-memory.dmp

          memory/1296-221-0x000000001B6F0000-0x000000001B786000-memory.dmp

          memory/1296-219-0x0000000000500000-0x00000000005B0000-memory.dmp

          memory/1664-75-0x0000000005A00000-0x0000000005A28000-memory.dmp

          memory/3240-227-0x000001AB333D0000-0x000001AB33D74000-memory.dmp

          memory/3376-41-0x0000000005D40000-0x0000000005DD6000-memory.dmp

          memory/3376-45-0x0000000005F90000-0x0000000006140000-memory.dmp

          memory/3376-33-0x0000000003BC0000-0x0000000003BEE000-memory.dmp

          memory/3376-37-0x0000000003C00000-0x0000000003C0C000-memory.dmp

          memory/5148-158-0x00000000045B0000-0x0000000004646000-memory.dmp

          memory/5148-152-0x00000000044F0000-0x000000000450A000-memory.dmp

          memory/5148-162-0x0000000004800000-0x00000000049B0000-memory.dmp

          memory/5148-175-0x00000000046F0000-0x0000000004740000-memory.dmp

          memory/5148-201-0x0000000004C10000-0x0000000004CE6000-memory.dmp

          memory/5148-199-0x0000000004740000-0x0000000004781000-memory.dmp

          memory/5148-197-0x0000000004A20000-0x0000000004AB2000-memory.dmp

          memory/5148-196-0x00000000049B0000-0x0000000004A1C000-memory.dmp