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
    149s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/06/2026, 14:19

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General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 5.4MB
  • Sample260619-rmybbagx2p
  • SHA256 59da31d01c8983dc3f054d29d94f792fac8c4facf5d1b0c88b941f0c14876357
  • 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 55 IoCs
  • Suspicious use of SendNotifyMessage 39 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:828
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\d470575d16e0878c\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:4180
  • 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:4652
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 56CA985D9A0859A6EDE1A7865B849D23 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1380
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6B33.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240741312 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4064
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1584
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C0B58F7B437031A32D52DC4E5D3C0DB9
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3648
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2672
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5044
      • 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:2928
    • 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:1976
    • 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:5028

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59ac45.rbs
          • Path C:\Config.Msi\e59ac45.rbs
          • Size 10KB
          • SHA256 0f1dc0b755f2af92438c73f336f7de9c74b644590ae40d2eb3b6bc698d87ea1f
          • 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

          MSI6B33.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI6B33.tmp
          • Size 1.0MB
          • SHA256 df08b98808c85da1d1ac7338dab9e4f0beeceee270d95bce2e044feb6117dfa6
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI6B33.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\MSI6B33.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\MSI6B33.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\MSI6B33.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\d470575d16e0878c\ScreenConnect.ClientSetup.msi
          • Size 12.9MB
          • SHA256 4e6cfd598ac3bb9ad660b60d761e7c848a7b19af4b335b3cb9bec6cc8eea76f7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientSetup.msi
          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\d470575d16e0878c\ScreenConnect.ClientSetup.msi
          • Size 12.9MB
          • SHA256 01474cf5489851e8bd0764e653e85bbc2461aeb14a95fbc5e2dc6ca1b5d88d6d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSIB117.tmp
          • Path C:\Windows\Installer\MSIB117.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 9a55eb76ad7aaa4c055d4011a40d4813a7f4732a092fc982cab6bde97133281b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {e1ada5fb-7fe7-427f-be91-0fe00efd2384}_OnDiskSnapshotProp
          • Path \??\Volume{48cf2592-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{e1ada5fb-7fe7-427f-be91-0fe00efd2384}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 510ef7ca76b53f0ef36eb8717a9bf20344414061f4ac08d02e493c3f6f545557
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/828-0-0x0000000074492000-0x0000000074493000-memory.dmp
          Download

          memory/828-19-0x0000000074480000-0x0000000074C3C000-memory.dmp
          Download

          memory/828-2-0x0000000005CE0000-0x0000000005FD2000-memory.dmp
          Download

          memory/828-1-0x0000000003280000-0x0000000003288000-memory.dmp
          Download

          memory/828-5-0x00000000032D0000-0x00000000032F2000-memory.dmp
          Download

          memory/828-4-0x0000000005940000-0x00000000059CC000-memory.dmp
          Download

          memory/828-6-0x0000000074480000-0x0000000074C3C000-memory.dmp
          Download

          memory/828-7-0x00000000059F0000-0x0000000005B9C000-memory.dmp
          Download

          memory/828-8-0x0000000074480000-0x0000000074C3C000-memory.dmp
          Download

          memory/828-10-0x0000000074480000-0x0000000074C3C000-memory.dmp
          Download

          memory/828-9-0x0000000006590000-0x0000000006B4A000-memory.dmp
          Download

          memory/828-3-0x0000000074480000-0x0000000074C3C000-memory.dmp
          Download

          memory/1976-286-0x000001CC9B200000-0x000001CC9B634000-memory.dmp
          Download

          memory/4064-46-0x00000000054C0000-0x000000000554C000-memory.dmp
          Download

          memory/4064-50-0x0000000005700000-0x00000000058AC000-memory.dmp
          Download

          memory/4064-42-0x00000000033E0000-0x00000000033EA000-memory.dmp
          Download

          memory/4064-38-0x00000000033B0000-0x00000000033DE000-memory.dmp
          Download

          memory/5028-122-0x0000026403A30000-0x0000026403A50000-memory.dmp
          Download

          memory/5028-155-0x0000026414210000-0x0000026414230000-memory.dmp
          Download

          memory/5028-123-0x0000026413E90000-0x0000026413F90000-memory.dmp
          Download

          memory/5028-133-0x0000026403C90000-0x0000026403CB0000-memory.dmp
          Download

          memory/5028-96-0x00000264001E0000-0x00000264002E0000-memory.dmp
          Download