Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/06/2026, 18:14

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260625-wvb59set8l
  • SHA256 ee91f8fdd45ee1cf4e5f012f0a9226f59a659623cea22ab91d879be8f7a5619a
  • 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 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 13 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).

  • 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 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 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:4384
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\181adaa3eca82c6d\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:4028
  • 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:560
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding B433D3A354E51AE90EFD02E9C4A63D40 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:968
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI46A9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240666390 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:848
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4A05.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240667171 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3404
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4EF8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240668406 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4368
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2128
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding DAF2BE4F69369FE9632148335E73BA77
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1152
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2A335360F9B926B64C8CA5BA8D388412 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2412
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2472
    • C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-sjkgl7-relay.screenconnect.com&p=443&s=29810273-02b8-4721-b9e2-8ecd3b33b177&k=BgIAAACkAABSU0ExAAgAAAEAAQB5yiuSbKAdRgKD19LLHRzZS3oX3%2ffZ3HPp28QZ%2bEjSco8HBnIcI6zMfJ%2bibW1fFVQV1ugiGrhItR3X3gJ%2b32ZBYGxUWGze%2foNIR9LoEwKSlz9SjYB3L6zrVA0y2GTPKZ8w%2f9wHpd9UT65WHa%2f%2fitWH4kZ4Tl6UafxV9Q8EY8SPKdvwv3KXC6sjXME4JGV0lisgMcIqLsu413jfFjdPWGw5%2bDgOV4%2bZdaZkf0yiOA9cpWXK5mgnfE4kWxv1ubZqtC3NndLgrVsrZKVu1TYhvjoncDjCGgnhgfh89hx3hdINAnFyRjifIGCuM%2fwb9HPx1iCzPy9p3DIFDk3PFqax1CWa"
      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:1292
      • C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsClient.exe" "RunRole" "b481d866-ba03-45b1-aad3-65c2a19503a6" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2820
      • C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsClient.exe" "RunRole" "b58cf285-b5ee-4253-8c54-27dd31a3a3c0" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3356

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58824b.rbs

          • Path C:\Config.Msi\e58824b.rbs
          • Size 214KB
          • SHA256 bc5193b779a2bc3bd57f73833c06985035b12966ca01b13d84973f1f854a42f5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (181adaa3eca82c6d)\system.config
          • Size 966B
          • SHA256 91ad987d94dab1596cd7e58a2378545a9eec852f452d8bc24a5802b8b4fa2630
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 d45f36633bfef41700bead75be8ffac3e008aa3755bea053976d421515f1acbe
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 9896be4f1e4a2de16d0e12b194b2faf9dc4b2185ba74d32b44a7a876e70a78be
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 4b106b7f0e52ba93b26aee03e78a17b56bc48c71c3ec767fb71d9edefa748f0d
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 fc2d92ab29f547b65e604e2a255b583f2313f2a1e2a1734d651af06ad9fc9852
          • 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

          MSI46A9.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI46A9.tmp
          • Size 1.1MB
          • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI46A9.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI46A9.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI46A9.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI46A9.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4A05.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4A05.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 8e0d135002984f0dbae6575086d9a72d51aa8dd58e53a9e0eba58c0d5bc7678e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\181adaa3eca82c6d\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 10ddce976ef86c0bab6ab219cc501e33014ef164d5817faee5e3c9a2850ae7d9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI83D2.tmp

          • Path C:\Windows\Installer\MSI83D2.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          biyefgrv.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (181adaa3eca82c6d)\biyefgrv.newcfg
          • Size 881B
          • SHA256 4e275c382f1394f6ba013b1e86fc20a2f5f651eceea774aa882d7d15733fa24e
          • MD5 SHA1 SHA512 TLSH

          dyn0kwp1.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (181adaa3eca82c6d)\dyn0kwp1.newcfg
          • Size 881B
          • SHA256 a7a9be82aa556a9676fcab5046a16296302458c873631692ce113f7cb01313e3
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (181adaa3eca82c6d)\user.config
          • Size 520B
          • SHA256 66e4055dc5e5b1a808c84d90a8b49e9fee90159181acfddf71dba95dbffaca34
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (181adaa3eca82c6d)\user.config
          • Size 683B
          • SHA256 158a48f0c30ffea74c6845b4d7644905c06673e21542ab8355bfc254c35b66a6
          • MD5 SHA1 SHA512 TLSH

          memory/848-39-0x0000000002D70000-0x0000000002D9E000-memory.dmp

          memory/848-43-0x0000000002DC0000-0x0000000002DCC000-memory.dmp

          memory/848-51-0x0000000005600000-0x00000000057B0000-memory.dmp

          memory/848-47-0x0000000005270000-0x0000000005304000-memory.dmp

          memory/1292-208-0x0000000003F90000-0x0000000004066000-memory.dmp

          memory/1292-206-0x0000000003AD0000-0x0000000003B11000-memory.dmp

          memory/1292-164-0x0000000001380000-0x000000000139A000-memory.dmp

          memory/1292-176-0x0000000003A80000-0x0000000003AD0000-memory.dmp

          memory/1292-174-0x0000000003B90000-0x0000000003D40000-memory.dmp

          memory/1292-170-0x0000000003940000-0x00000000039D4000-memory.dmp

          memory/1292-204-0x0000000003DB0000-0x0000000003E42000-memory.dmp

          memory/1292-193-0x0000000003D40000-0x0000000003DAC000-memory.dmp

          memory/2820-230-0x000000001D100000-0x000000001D286000-memory.dmp

          memory/2820-228-0x000000001C140000-0x000000001C2F0000-memory.dmp

          memory/2820-227-0x0000000003060000-0x00000000030F4000-memory.dmp

          memory/2820-229-0x0000000001710000-0x000000000172A000-memory.dmp

          memory/2820-225-0x0000000000EA0000-0x0000000000F4C000-memory.dmp

          memory/2820-226-0x0000000002F70000-0x0000000002FDC000-memory.dmp

          memory/3356-245-0x0000000000DF0000-0x0000000000E31000-memory.dmp

          memory/3404-83-0x0000000004BA0000-0x0000000004BC8000-memory.dmp

          memory/4384-2-0x0000000005890000-0x00000000058A0000-memory.dmp

          memory/4384-1-0x00000000018F0000-0x00000000018F8000-memory.dmp

          memory/4384-0-0x0000000005890000-0x00000000058A0000-memory.dmp

          memory/4384-3-0x0000000001910000-0x000000000191C000-memory.dmp

          memory/4384-4-0x00000000057A0000-0x0000000005834000-memory.dmp

          memory/4384-7-0x0000000006000000-0x00000000065A4000-memory.dmp

          memory/4384-8-0x0000000005890000-0x00000000058A0000-memory.dmp

          memory/4384-5-0x0000000005830000-0x0000000005858000-memory.dmp

          memory/4384-6-0x00000000058A0000-0x0000000005A50000-memory.dmp