Overview

overview

8

Static

static

8

ScreenConn...up.exe

windows10-2004-x64

8

ScreenConn...up.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    128s
  • max time network
    92s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 18:15

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General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 5.4MB
  • Sample260623-wvvmlse19w
  • SHA256 f2e59b3a78d4ee57638b940ea4910c76c0b09ec505da8f7719ca5064a3901f62
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarerevoked_codesignspyware

Malware Config

Signatures

  • 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.

    persistence
  • Signed with revoked ConnectWise certificate 1 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

    revoked_codesign
  • Loads dropped DLL 11 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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
    adwarespyware
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 56 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

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:3196
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\e0a9d4e3f1ee350e\ScreenConnect.ClientSetup.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2804
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • 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:5816
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AE3E2C920767A6B92350B8897B818379 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5340
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE059.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240705734 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5324
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2700
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4A77A135E13E2D3A5458C7C31360B1F4
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:620
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3128
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2784
      • 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:4496
    • 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:2600
    • 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:3400
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:5432

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e5924b6.rbs
            • Path C:\Config.Msi\e5924b6.rbs
            • Size 10KB
            • SHA256 4df62a8b4ace37952492a047e8ac4f35a2a99c3f5ae035e65b23f482f256a948
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            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
            Submit Download

            MSIE059.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\MSIE059.tmp
            • Size 1.0MB
            • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Microsoft.Deployment.WindowsInstaller.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSIE059.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.Core.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSIE059.tmp-\ScreenConnect.Core.dll
            • Size 538KB
            • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.InstallerActions.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSIE059.tmp-\ScreenConnect.InstallerActions.dll
            • Size 11KB
            • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.Windows.dll
            • Path C:\Users\Admin\AppData\Local\Temp\MSIE059.tmp-\ScreenConnect.Windows.dll
            • Size 1.6MB
            • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ScreenConnect.ClientSetup.msi
            • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\e0a9d4e3f1ee350e\ScreenConnect.ClientSetup.msi
            • Size 12.8MB
            • SHA256 2766cf3ab7b630582571ebe704e414f9a5b85afe888f1f1655c7725b45f5885d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            MSI2C86.tmp
            • Path C:\Windows\Installer\MSI2C86.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            metadata-2
            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 14b1ba653dd828366e10e7678e17649c04225d19a7cf01c263daa856fbecdfab
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            {c0067b59-db42-4fbd-8260-7bace3a0661c}_OnDiskSnapshotProp
            • Path \??\Volume{fc7fe687-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{c0067b59-db42-4fbd-8260-7bace3a0661c}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 f7f4563f738d324e86b2ecc66a114e99e5bbb2a9b365286a1024957960478833
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/2600-119-0x000001C7001E0000-0x000001C7002E0000-memory.dmp
            Download

            memory/2600-144-0x000001C7045F0000-0x000001C704610000-memory.dmp
            Download

            memory/2600-127-0x000001C702C90000-0x000001C702CB0000-memory.dmp
            Download

            memory/2600-124-0x000001C702A30000-0x000001C702A50000-memory.dmp
            Download

            memory/2600-120-0x000001C7001E0000-0x000001C7002E0000-memory.dmp
            Download

            memory/2600-125-0x000001C702E50000-0x000001C702F50000-memory.dmp
            Download

            memory/2600-283-0x000001C707AE0000-0x000001C707D7E000-memory.dmp
            Download

            memory/3196-8-0x0000000074DE0000-0x000000007559C000-memory.dmp
            Download

            memory/3196-9-0x0000000006300000-0x00000000068BA000-memory.dmp
            Download

            memory/3196-1-0x00000000019C0000-0x00000000019C8000-memory.dmp
            Download

            memory/3196-3-0x0000000074DE0000-0x000000007559C000-memory.dmp
            Download

            memory/3196-2-0x0000000005A50000-0x0000000005D42000-memory.dmp
            Download

            memory/3196-12-0x0000000074DE0000-0x000000007559C000-memory.dmp
            Download

            memory/3196-4-0x0000000005750000-0x00000000057DC000-memory.dmp
            Download

            memory/3196-10-0x0000000074DE0000-0x000000007559C000-memory.dmp
            Download

            memory/3196-0-0x0000000074DF2000-0x0000000074DF3000-memory.dmp
            Download

            memory/3196-5-0x00000000032D0000-0x00000000032F2000-memory.dmp
            Download

            memory/3196-6-0x00000000057E0000-0x000000000598C000-memory.dmp
            Download

            memory/3196-7-0x0000000074DE0000-0x000000007559C000-memory.dmp
            Download

            memory/3400-284-0x0000020D77BB0000-0x0000020D77E4E000-memory.dmp
            Download

            memory/5324-44-0x0000000005D00000-0x0000000005EAC000-memory.dmp
            Download

            memory/5324-32-0x0000000005990000-0x00000000059BE000-memory.dmp
            Download

            memory/5324-36-0x00000000059D0000-0x00000000059DA000-memory.dmp
            Download

            memory/5324-40-0x0000000005AC0000-0x0000000005B4C000-memory.dmp
            Download

            memory/5816-64-0x000001C4076E0000-0x000001C408084000-memory.dmp
            Download