Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 12:30

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 19.8MB
  • Sample260930-ppln7afc93
  • SHA256 5feee1447b6a4cf325c408efebcc3e468308a02a2c41322bbc14fd57631b21b5
  • 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.

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 10 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 13 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.

  • 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 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⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\7b0cebe6122b2acb\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
      PID:2108
  • 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 WriteProcessMemory
    PID:1296
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F9481845B46D83E7CAE3F86D95C66730 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1256
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7C20.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240680062 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3712
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7EA2.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240680640 11 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:404
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI84FC.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240682250 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:664
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1264
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6EF0725B147D10661999D827A1F06CC7
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2464
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 63067F3879D9D99D563B5FC3C0CF47CD E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:664
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3012
    • C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-xp89kx-relay.screenconnect.com&p=443&s=70666f34-9af9-473f-8799-cc5c75bd3207&k=BgIAAACkAABSU0ExAAgAAAEAAQC9%2fjFTI8iJFADHMrH%2fbMUQPZgzT7xOoYBbLIEvsG1itSFwPm6KERW0FP8Xyam5lw2OYwmMeQP7TbdyPco3ltAY9mRQpHSP%2fVsCbLfn12RftTXRx1dnyo0Ke3rknANgh7lsZie%2faejTLkxgHWreQg6MNd8JUgg74mR9DkZJWJI0F3UhPWoEvkcnvFxLtqhBCD%2bNrLhEizOpdmxyOXSk5kXy4%2fURKpXDkZPPvK6pASrnh9khU3qZ95762l%2bb2QE9VmNoloyVdRDd6nv70XSj%2bFA14KkEywV3lZZbkbtLhsGSO1%2b5tnSp9TX39DDmf7YOKLt5WrG1YEu5SQwFAczPrxPK&c=vip54&c=mega&c=liz&c=trum&c=&c=&c=&c="
      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:3820
      • C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe" "RunRole" "760649cd-d9c9-41b4-801f-743a8e0da53e" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4380
      • C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsClient.exe" "RunRole" "38139a97-5759-429f-bcab-1bfd78ac7096" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3716

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58d3a8.rbs

          • Path C:\Config.Msi\e58d3a8.rbs
          • Size 214KB
          • SHA256 97bd5f6f6dd067e79fd7b2d8e3fff568310d2acb11dce76d132c955621681a67
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.Client.dll
          • Size 615KB
          • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.ClientService.dll
          • Size 176KB
          • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.Windows.dll
          • Size 1.9MB
          • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (7b0cebe6122b2acb)\system.config
          • Size 962B
          • SHA256 3cbcaaebb028b213f795355d2c7dbc3c977aabb523e51b31c81480967fe4530d
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 e8490aa6062cca5accce1de35d837fd3e812b203c932a7855b385ad9a1051d69
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 abfbfbc723ff25914997f9ad5b2cef01b259573d93648869322de8a3008b00bc
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 3a38c283fe422e700f98b20c6b4612f17f286b56fbff5723969a442b308455f5
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 302beff70c0234e00f67a792940d61b7864f9c14e9035b84587d58a38483d1f4
          • MD5 SHA1 SHA512 TLSH

          rundll32.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rundll32.exe.log
          • Size 746B
          • SHA256 ddebb6b1094dbef9e96754a74ebd4761d857864c9bd0b5f20a97259a6d7c8fe0
          • MD5 SHA1 SHA512 TLSH

          MSI7C20.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7C20.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7C20.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7C20.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7C20.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7C20.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7EA2.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7EA2.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 390KB
          • SHA256 c469358d585fa9f1637a02d194e162e454d90b8dc7e4939f88b36e09b04a7a96
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\7b0cebe6122b2acb\ScreenConnect.ClientSetup.msi
          • Size 16.2MB
          • SHA256 d8edd58e0744b7bdf1bb65756651d95294d83a6105bdace06c44c6e12644562d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSID5BB.tmp

          • Path C:\Windows\Installer\MSID5BB.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          t35evsye.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7b0cebe6122b2acb)\t35evsye.newcfg
          • Size 882B
          • SHA256 ae8622a5a70b6119dfe15a774579c3605e15349d4afa80487bdab67ff0312987
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7b0cebe6122b2acb)\user.config
          • Size 683B
          • SHA256 d32f49bde2365cf491a505a4a66305c241be3229ea7f7091a8de2e0555fff6f4
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (7b0cebe6122b2acb)\user.config
          • Size 520B
          • SHA256 1332ed8e11f906af88e66320fff190e27768267504ac6306f8a6aa9d23216245
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 9233fe169d80fc459b6074b52be34bb11e3a35401e4cece341f1b85e0257915b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {d08f56ef-1d6c-43a6-983a-cba9266a74b7}_OnDiskSnapshotProp

          • Path \??\Volume{d05fbc87-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{d08f56ef-1d6c-43a6-983a-cba9266a74b7}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 e2d3dff7dd0548a6da72e5f4100023c32634d8ff492bd6f9d62d2bd744646628
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/404-83-0x0000000004F30000-0x0000000004F98000-memory.dmp

          memory/3712-51-0x00000000055A0000-0x0000000005780000-memory.dmp

          memory/3712-47-0x0000000005260000-0x00000000053BA000-memory.dmp

          memory/3712-43-0x00000000050F0000-0x00000000050FC000-memory.dmp

          memory/3712-39-0x00000000050B0000-0x00000000050DE000-memory.dmp

          memory/3820-212-0x00000000042B0000-0x0000000004386000-memory.dmp

          memory/3820-207-0x0000000003DE0000-0x0000000003E7E000-memory.dmp

          memory/3820-173-0x0000000003B40000-0x0000000003C9A000-memory.dmp

          memory/3820-210-0x0000000003D40000-0x0000000003D81000-memory.dmp

          memory/3820-177-0x0000000003E80000-0x0000000004060000-memory.dmp

          memory/3820-208-0x0000000004060000-0x00000000040F2000-memory.dmp

          memory/3820-167-0x00000000038E0000-0x0000000003910000-memory.dmp

          memory/3820-190-0x0000000003CF0000-0x0000000003D40000-memory.dmp

          memory/3940-6-0x0000000006290000-0x00000000062A0000-memory.dmp

          memory/3940-2-0x0000000006290000-0x00000000062A0000-memory.dmp

          memory/3940-4-0x00000000062A0000-0x00000000063FA000-memory.dmp

          memory/3940-8-0x0000000006B90000-0x0000000007134000-memory.dmp

          memory/3940-5-0x0000000006160000-0x00000000061C8000-memory.dmp

          memory/3940-7-0x0000000006400000-0x00000000065E0000-memory.dmp

          memory/3940-3-0x0000000002410000-0x000000000241C000-memory.dmp

          memory/3940-0-0x0000000006290000-0x00000000062A0000-memory.dmp

          memory/3940-124-0x0000000006290000-0x00000000062A0000-memory.dmp

          memory/3940-1-0x00000000023F0000-0x00000000023F8000-memory.dmp

          memory/4380-226-0x0000000000280000-0x0000000000416000-memory.dmp

          memory/4380-227-0x000000001B010000-0x000000001B0AE000-memory.dmp

          memory/4380-228-0x000000001B510000-0x000000001B66A000-memory.dmp

          memory/4380-229-0x000000001B850000-0x000000001BA30000-memory.dmp

          memory/4380-231-0x000000001C6B0000-0x000000001C836000-memory.dmp

          memory/4380-232-0x0000000002640000-0x0000000002670000-memory.dmp