Overview

overview

8

Static

static

3

ScreenConn...up.msi

windows10-2004-x64

8

ScreenConn...up.msi

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/08/2026, 18:12

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General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 14.6MB
  • Sample260812-wtpd7ssbla
  • SHA256 f1cfb4ac8fa42e87cb723be8e23ec95ebc0ceb10e988105e1a22623a5d382683
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
backdoordiscoverypersistenceprivilege_escalationransomwareratrevoked_codesign

Malware Config

Signatures

  • 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.

    persistence
  • Signed with revoked ConnectWise certificate 2 IoCs

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

    revoked_codesign
  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

    backdoorrat
  • 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.

    persistenceprivilege_escalation
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 22 IoCs
  • 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.

    persistenceprivilege_escalation
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • 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 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4684
  • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5428
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding CF9F737FBB3B81110D2B5653337A5AB0 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4072
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7FF4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240746750 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5436
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2828
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4E91D9014DB5EB877FACB24518C66A09
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4328
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4401A81FFA5E68B50C7457897F9B316F E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:6056
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2392
    • C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=207.189.4.110&p=8041&s=e20bab17-eca3-4f16-8aed-de2debf652ee&k=BgIAAACkAABSU0ExAAgAAAEAAQAle4kyzDRj%2ft0qCygiq%2bi%2f7yqnUgHta6BJrBZITrsF%2fJo%2frUK%2bsJ1iulzKu7zJU8Wg1HhUgHC%2bajo5v7YQ0p7T5CAzxZjfErlqjdwKH2UqJ5c%2frvRbZpDvX4kVBvovN0XqPXn6csP7b6oBPiTE911aoNYsS3yDPBvD3tBoPfAW2FEDtmzGqtHus18nA5Rw76gc8KM3SJeKtzqHN9xm%2f%2fCs7Cy4bBnw2wh7LordfEccQJtxQwy4S4eS8OktoBOpq79pBqrRmUb2CBPEgyEMaEhpEc3abzncO%2b%2fu8BNyf%2fApAtgYwa4EQdyf%2bhx7FEypvgGaJpwqiYviwmPliNgE2wmx"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:6112
      • C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.WindowsClient.exe" "RunRole" "a4905ae7-8fcf-42e9-ad57-01dcde642377" "User"
        2⤵
        • Executes dropped EXE
        PID:5772
      • C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.WindowsClient.exe" "RunRole" "41b87406-02ae-4c07-927a-8356d147cbda" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3308

    Network

          MITRE ATT&CK Enterprise v16

          Reconnaissance

          Resource Development

          Initial Access

          Execution

          Persistence

          Boot or Logon Autostart Execution

          2
          T1547

          Authentication Package

          1
          T1547.002

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Event Triggered Execution

          2
          T1546

          Component Object Model Hijacking

          1
          T1546.015

          Installer Packages

          1
          T1546.016

          Privilege Escalation

          Boot or Logon Autostart Execution

          2
          T1547

          Authentication Package

          1
          T1547.002

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Event Triggered Execution

          2
          T1546

          Component Object Model Hijacking

          1
          T1546.015

          Installer Packages

          1
          T1546.016

          Defense Evasion

          Modify Registry

          1
          T1112

          System Binary Proxy Execution

          1
          T1218

          Msiexec

          1
          T1218.007

          Credential Access

          Discovery

          Peripheral Device Discovery

          2
          T1120

          Query Registry

          3
          T1012

          System Information Discovery

          3
          T1082

          System Location Discovery

          1
          T1614

          System Language Discovery

          1
          T1614.001

          Lateral Movement

          Collection

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59d5d5.rbs
          • Path C:\Config.Msi\e59d5d5.rbs
          • Size 214KB
          • SHA256 af6cc991c8f1b3240cd5a7866d4ab09d154f524a312338f8aec54322bb56e45a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.Override.en-US.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\Client.Override.en-US.resources
          • Size 245B
          • SHA256 4aa60e71e2a95cff9837b2dedddfa5a2d6e2e685826d1ff8019b9b3b9a02f4cf
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Client.Override.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\Client.Override.resources
          • Size 35KB
          • SHA256 fcd076b4370d16bdbee7003eb9b22a6bae3e86a03ed313e1a758ff8a99bcf3d8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.en-US.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\Client.en-US.resources
          • Size 49KB
          • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\Client.resources
          • Size 33KB
          • SHA256 e0d0e5d951ef955f22d110b65b3fedfb8b1710491563d7c541f5e3d9fd4ccee8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Client.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.Client.dll
          • Size 202KB
          • SHA256 7a4fd2e1cc26200e44b22a17fc6324734e676fa8d5b48a977b50b82c81084a38
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientService.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.ClientService.dll
          • Size 77KB
          • SHA256 4cad8e6604b38b2d1d50a614a24a9c5b6541228eae796e4d460ebbee97617ccc
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientService.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 7976bc6647fead449fdd424f7ccb5150b5d896b4db23782493a11580a2515244
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Core.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.Core.dll
          • Size 549KB
          • SHA256 028c2aa8290b51b14f6668f1318ccddac885fb2ebc34c744dda62b28767115c9
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 1d682bd780fff57619ddbbebdf96a3f933483cc0a7caa194559e5f04f4093a61
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsAuthenticationPackage.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsClient.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.WindowsClient.exe
          • Size 595KB
          • SHA256 446dea870ba05ccb6fb0038aca0d5d5bf5b8423b51f9ff40da74bb9fc603f4c4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsClient.exe.config
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ScreenConnect.WindowsCredentialProvider.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 838KB
          • SHA256 c36e1b629985cf5379733de9c2d645446cb3333f8660bf137a46fb227ef170e4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          app.config
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\app.config
          • Size 849B
          • SHA256 6d5c5d6c2446387c7b9040ff0eeb02f21b28cf0fd39154c0c65c7b1668d6e09c
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          system.config
          • Path C:\Program Files (x86)\ScreenConnect Client (a0ede2b36ccea361)\system.config
          • Size 947B
          • SHA256 5d490713150ae9dbedb87d3e778b9f00fe964045a56201e8df02c0fd85ae3c9c
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          MSI7FF4.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI7FF4.tmp
          • Size 1.0MB
          • SHA256 263f63468a49d9958d65745a023c7b150f05432a309dcecdcfc47e62186b7e39
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI7FF4.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\MSI7FF4.tmp-\ScreenConnect.Core.dll
          • Size 539KB
          • SHA256 abb34dda325ea28f52110212cdf9dc28c7b1375a1b7447ace6054b0684bb486c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.InstallerActions.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI7FF4.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 d634d4d6de70069360b1c897299e06510cef7c1c7531e2464575b300fc6777c8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI7FF4.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 bea9ff7531447973739e84cb1a3a591ba882838efd03705418f8e6f403ff4b4a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSIDC6D.tmp
          • Path C:\Windows\Installer\MSIDC6D.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          e59d5d4.msi
          • Path C:\Windows\Installer\e59d5d4.msi
          • Size 14.6MB
          • SHA256 f1cfb4ac8fa42e87cb723be8e23ec95ebc0ceb10e988105e1a22623a5d382683
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 5091dca58ac22db39daf1a69600ffba00eef369c1e03c58a408b58d11450d9fd
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {7c54bb9e-e16e-4960-83c7-da5ffab33b9b}_OnDiskSnapshotProp
          • Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{7c54bb9e-e16e-4960-83c7-da5ffab33b9b}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 86f7ade1c5eeea3e68e06329e859b3f5f811ebd37290ab52242de756ce72e324
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/5436-30-0x0000000006400000-0x00000000065AC000-memory.dmp
          Download

          memory/5436-31-0x0000000006B70000-0x000000000712A000-memory.dmp
          Download

          memory/5436-26-0x00000000041A0000-0x000000000422E000-memory.dmp
          Download

          memory/5436-18-0x00000000040B0000-0x00000000040DE000-memory.dmp
          Download

          memory/5436-22-0x00000000040F0000-0x00000000040FA000-memory.dmp
          Download

          memory/5772-119-0x0000000001190000-0x00000000011C6000-memory.dmp
          Download

          memory/5772-120-0x000000001B470000-0x000000001B4FE000-memory.dmp
          Download

          memory/5772-124-0x0000000001170000-0x0000000001188000-memory.dmp
          Download

          memory/5772-123-0x0000000001020000-0x0000000001038000-memory.dmp
          Download

          memory/5772-122-0x000000001B9F0000-0x000000001BB78000-memory.dmp
          Download

          memory/5772-121-0x000000001B6B0000-0x000000001B85C000-memory.dmp
          Download

          memory/5772-118-0x0000000000370000-0x0000000000408000-memory.dmp
          Download

          memory/6112-103-0x0000000004A30000-0x0000000004A66000-memory.dmp
          Download

          memory/6112-75-0x00000000022F0000-0x0000000002308000-memory.dmp
          Download

          memory/6112-99-0x00000000049E0000-0x0000000004A30000-memory.dmp
          Download

          memory/6112-108-0x0000000004ED0000-0x0000000004FA5000-memory.dmp
          Download

          memory/6112-104-0x0000000004CE0000-0x0000000004D72000-memory.dmp
          Download

          memory/6112-106-0x0000000004C40000-0x0000000004C81000-memory.dmp
          Download

          memory/6112-85-0x0000000004A90000-0x0000000004C3C000-memory.dmp
          Download

          memory/6112-81-0x0000000004850000-0x00000000048DE000-memory.dmp
          Download