Analysis

  • max time kernel
    84s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 18:16

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260701-wwvc8sdv41
  • SHA256 b30de72f1eef1133639611908795347078aed8462861d6edb7cf68c5852363aa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Loads dropped DLL 30 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 64 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 6 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:4936
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.3.11.9650\49320a15c546ab43\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:5388
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:6060
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 05C864AC28A6A0BB187B0F8EDE3A35B0 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID84A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240703765 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4312
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIDD8B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240704953 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4972
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID78C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240769015 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1080
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2644
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 12F06E68B578B460A28B778A975B362B
        2⤵
          PID:2448
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding 93C23AE6BCADB0C90B9EED60BD5D1684 E Global\MSI0000
          2⤵
            PID:4220
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:5884
          • C:\Windows\explorer.exe
            explorer.exe /LOADSAVEDWINDOWS
            2⤵
            • Boot or Logon Autostart Execution: Active Setup
            • Enumerates connected drives
            • Checks SCSI registry key(s)
            • Modifies Internet Explorer settings
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:1332
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:1948
        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:4156
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Checks SCSI registry key(s)
          PID:1356
        • C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.ClientService.exe
          "C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-a00awt-relay.screenconnect.com&p=443&s=836e08a2-dd41-4cbc-a86d-4dfc996859d5&k=BgIAAACkAABSU0ExAAgAAAEAAQCNVkYc9%2bkKss%2bYmu5JXK3gq7x621DZwvfb7bB7l6Tjd9L%2fYMSsdz4mNz2VUGiRK0wQB%2bdL%2fTM%2fy2I%2bxpzP2MT7ya%2fBJUCIZ7kuUN8TRWDzvBqgi2%2bEjEwL1bp9B5pd5akJzFVUB7oi5pgAY9mfL4JF%2blJ3rW4%2bdH1LBk4QLYhS2T0KQgivhEjxu0eTgA2WFeOINzxaFkRn%2bBw%2fyC%2fbRpDAgaAAI6F71GcLZEmO0ujlyjCxW8ycl%2f3NWuql5dBuGbHrjzSLzKs9e7UzREIabeet%2bZOtbNOffEA9cm3TyiReL917gbS6W4O%2bGTOv69e%2bLVyzrLBLwm3O0tGqmBGwgivB"
          1⤵
            PID:1168
            • C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.WindowsClient.exe
              "C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.WindowsClient.exe" "RunRole" "baa76f41-a029-4dbb-945a-03c78e328b50" "User"
              2⤵
                PID:2752
              • C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.WindowsClient.exe
                "C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.WindowsClient.exe" "RunRole" "7883fad1-fe50-4076-a78c-1a30223c85f0" "System"
                2⤵
                  PID:2456

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    e5a3347.rbs

                    • Path C:\Config.Msi\e5a3347.rbs
                    • Size 214KB
                    • SHA256 4c0cdc485522270bd01ea941d64655b742a926099a1f84106c4ac8ace34c0f2d
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Client.en-US.resources

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\Client.en-US.resources
                    • Size 64KB
                    • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Client.resources

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\Client.resources
                    • Size 6KB
                    • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.Client.dll

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.Client.dll
                    • Size 412KB
                    • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.ClientService.dll

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.ClientService.dll
                    • Size 91KB
                    • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.ClientService.exe

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.ClientService.exe
                    • Size 93KB
                    • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.Core.dll

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.Core.dll
                    • Size 577KB
                    • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.Windows.dll

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.Windows.dll
                    • Size 1.7MB
                    • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.WindowsAuthenticationPackage.dll

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.WindowsAuthenticationPackage.dll
                    • Size 254KB
                    • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.WindowsClient.exe

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.WindowsClient.exe
                    • Size 675KB
                    • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.WindowsClient.exe.config

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.WindowsClient.exe.config
                    • Size 266B
                    • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
                    • MD5 SHA1 SHA512 TLSH

                    ScreenConnect.WindowsCredentialProvider.dll

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\ScreenConnect.WindowsCredentialProvider.dll
                    • Size 837KB
                    • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    system.config

                    • Path C:\Program Files (x86)\ScreenConnect Client (49320a15c546ab43)\system.config
                    • Size 980B
                    • SHA256 93a9a071667521d81dd6f98d26729eb674b2ee72a3565ab1e4c548d6fdc25a3a
                    • MD5 SHA1 SHA512 TLSH

                    prep_Activatable Class_Hermes_perf.cache

                    • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                    • Size 599B
                    • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
                    • MD5 SHA1 SHA512 TLSH

                    MSID84A.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\MSID84A.tmp
                    • Size 1.1MB
                    • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Microsoft.Deployment.WindowsInstaller.dll

                    • Path C:\Users\Admin\AppData\Local\Temp\MSID84A.tmp-\Microsoft.Deployment.WindowsInstaller.dll
                    • Size 172KB
                    • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.Core.dll

                    • Path C:\Users\Admin\AppData\Local\Temp\MSID84A.tmp-\ScreenConnect.Core.dll
                    • Size 567KB
                    • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.InstallerActions.dll

                    • Path C:\Users\Admin\AppData\Local\Temp\MSID84A.tmp-\ScreenConnect.InstallerActions.dll
                    • Size 24KB
                    • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    ScreenConnect.Windows.dll

                    • Path C:\Users\Admin\AppData\Local\Temp\MSID84A.tmp-\ScreenConnect.Windows.dll
                    • Size 1.7MB
                    • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    CustomAction.config

                    • Path C:\Users\Admin\AppData\Local\Temp\MSIDD8B.tmp-\CustomAction.config
                    • Size 234B
                    • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
                    • MD5 SHA1 SHA512 TLSH

                    ScreenConnect.WindowsInstaller.dll

                    • Path C:\Users\Admin\AppData\Local\Temp\MSIDD8B.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\49320a15c546ab43\ScreenConnect.ClientSetup.msi
                    • Size 9.8MB
                    • SHA256 eb46f26e19b955bf64be7c3aad137d45691b795c3de2675ea092e1af55e04317
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    MSI3AE8.tmp

                    • Path C:\Windows\Installer\MSI3AE8.tmp
                    • Size 202KB
                    • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    1ucw5jud.newcfg

                    • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (49320a15c546ab43)\1ucw5jud.newcfg
                    • Size 683B
                    • SHA256 ff1ac58deb16bdd5dc73f06a09d1701bc43fa87ff1db6a3a810ac569d79cb5e5
                    • MD5 SHA1 SHA512 TLSH

                    sozl1a0p.newcfg

                    • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (49320a15c546ab43)\sozl1a0p.newcfg
                    • Size 882B
                    • SHA256 f04356a8198da3cc6536bd5d35f6dc553e5b27bae0073e301242aef1cb65025c
                    • MD5 SHA1 SHA512 TLSH

                    user.config

                    • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (49320a15c546ab43)\user.config
                    • Size 520B
                    • SHA256 15f7895e3303d805f80918b2d09016b4cd43318e62bddd2ba70552901f510df9
                    • MD5 SHA1 SHA512 TLSH

                    memory/1168-344-0x00000000018F0000-0x000000000190A000-memory.dmp

                    memory/1168-391-0x0000000004580000-0x0000000004656000-memory.dmp

                    memory/1168-387-0x0000000004390000-0x0000000004422000-memory.dmp

                    memory/1168-386-0x0000000004320000-0x000000000438C000-memory.dmp

                    memory/1168-360-0x0000000003F50000-0x0000000003FA0000-memory.dmp

                    memory/1168-389-0x00000000040C0000-0x0000000004101000-memory.dmp

                    memory/1168-354-0x0000000004170000-0x0000000004320000-memory.dmp

                    memory/1168-350-0x0000000003E60000-0x0000000003EF4000-memory.dmp

                    memory/1332-418-0x000000000E4D0000-0x000000000ED4B000-memory.dmp

                    memory/1332-305-0x000000000E4D0000-0x000000000ED4B000-memory.dmp

                    memory/2752-411-0x000000001BB90000-0x000000001BBFC000-memory.dmp

                    memory/2752-414-0x0000000003180000-0x000000000319A000-memory.dmp

                    memory/2752-415-0x000000001C530000-0x000000001C6B8000-memory.dmp

                    memory/2752-416-0x00000000031A0000-0x00000000031E1000-memory.dmp

                    memory/2752-413-0x000000001C1F0000-0x000000001C3A0000-memory.dmp

                    memory/2752-412-0x000000001BFA0000-0x000000001C034000-memory.dmp

                    memory/2752-409-0x0000000000E80000-0x0000000000F2C000-memory.dmp

                    memory/4156-104-0x0000019E001E0000-0x0000019E002E0000-memory.dmp

                    memory/4156-131-0x0000019E03C90000-0x0000019E03CB0000-memory.dmp

                    memory/4156-103-0x0000019E001E0000-0x0000019E002E0000-memory.dmp

                    memory/4156-105-0x0000019E001E0000-0x0000019E002E0000-memory.dmp

                    memory/4156-117-0x0000019E03930000-0x0000019E03950000-memory.dmp

                    memory/4156-149-0x0000019E146A0000-0x0000019E146C0000-memory.dmp

                    memory/4156-118-0x0000019E13E90000-0x0000019E13F90000-memory.dmp

                    memory/4312-39-0x0000000003990000-0x000000000399C000-memory.dmp

                    memory/4312-35-0x0000000003950000-0x000000000397E000-memory.dmp

                    memory/4312-47-0x0000000005CA0000-0x0000000005E50000-memory.dmp

                    memory/4312-43-0x0000000005A50000-0x0000000005AE4000-memory.dmp

                    memory/4936-8-0x0000000074B10000-0x00000000752CC000-memory.dmp

                    memory/4936-0-0x0000000074B22000-0x0000000074B23000-memory.dmp

                    memory/4936-13-0x0000000074B10000-0x00000000752CC000-memory.dmp

                    memory/4936-11-0x0000000074B10000-0x00000000752CC000-memory.dmp

                    memory/4936-10-0x0000000074B10000-0x00000000752CC000-memory.dmp

                    memory/4936-6-0x0000000074B10000-0x00000000752CC000-memory.dmp

                    memory/4936-7-0x0000000006420000-0x00000000069DA000-memory.dmp

                    memory/4936-5-0x0000000005CB0000-0x0000000005E60000-memory.dmp

                    memory/4936-4-0x0000000003570000-0x0000000003598000-memory.dmp

                    memory/4936-3-0x0000000005BA0000-0x0000000005C34000-memory.dmp

                    memory/4936-2-0x0000000001CF0000-0x0000000001CFC000-memory.dmp

                    memory/4936-1-0x0000000001CD0000-0x0000000001CD8000-memory.dmp

                    memory/4972-77-0x0000000003260000-0x0000000003288000-memory.dmp