Overview

overview

8

Static

static

1

ScreenConn...5).msi

windows10-2004-x64

8

ScreenConn...5).msi

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/11/2026, 11:25

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General

  • Target
    ScreenConnect.ClientSetup(5).msi
  • Size 9.8MB
  • Sample261110-njgbvaeh49
  • SHA256 b74b4ef66cad6ef1257a74457df01c7843d1de83f5bc2795b6fcc37ebfcdcaa1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
backdoordiscoverypersistenceprivilege_escalationransomwarerat

Malware Config

Signatures

  • Badlisted process makes network request 2 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.

    persistence
  • ConnectWise ScreenConnect remote access tool

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

    backdoorrat
  • 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 9 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.

    persistenceprivilege_escalation
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 9 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(5).msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4928
  • 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:5340
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6797DF059FC6281C6A65512834A553E8 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4444
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF9EB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240712453 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1764
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI65.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240713875 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:3612
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6BF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240715562 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2984
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3760
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding FE80ADC6DEB691B8E44D2F1D3C877FEF
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5060
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8FFB9EB9745A953A04A835E47D588347 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3236
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:6068
    • C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-w3nkzy-relay.screenconnect.com&p=443&s=c42762d0-c2ec-4f13-8f61-ee2fbe23632f&k=BgIAAACkAABSU0ExAAgAAAEAAQCR24wRhPXbYNiDkw9rQkhrhwCsUNI6xcsc7SF05Fh47jUSZkEg6giRspUztjZ8h3s%2f6GXfLQeAIuQQI6KcqOWmqQbaEVe%2bJ%2bIfckD3ZwFjFynCBiel3JJyQKhLp4meuqBTPKernmq0lqd8zRvv3N6IBPHYqqYxk94bvmHy%2fmFVb5hzv8xrkcBFLENb3UHBijsBDCBNd2lCU2I11K5w0Y5UDUdHKADKjpbI9ws4ycn1yeEROFmv2hAMxcQnXM9%2fG82QmX7RvBZnzWr3WWB%2bsod7UiFMOWxuCqPlM3H8YMTLP%2fGPQpHNBAS%2bDfKuKKnQecEo76JFgmUDwhqLBCQll5%2fA"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2172
      • C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.WindowsClient.exe" "RunRole" "a6322a67-990f-4f0d-a992-1d9da2898123" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3388
      • C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.WindowsClient.exe" "RunRole" "612b2bc7-9429-4e8d-8c39-d8cf6af91493" "System"
        2⤵
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3684

    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

          System Network Configuration Discovery

          1
          T1016

          Lateral Movement

          Collection

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5951a2.rbs
          • Path C:\Config.Msi\e5951a2.rbs
          • Size 214KB
          • SHA256 b500f86277eaeb3542860d7c7ebe137520f71632bcf9d32c25ca749116b1debb
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.en-US.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\Client.en-US.resources
          • Size 65KB
          • SHA256 bd8901dd3666277f6d7aa1f4118ad53f5d4229c5d9f67f94e635bf2add3731dd
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Client.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.Client.dll
          • Size 413KB
          • SHA256 be1e3522a20c244b3e20b4f7bc2fc736b6103c930d6cf8366e0bb97cb82d5241
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientService.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 67f75a75bc19288cac0071e19e7af4463f2ecf4bb75fe13af80a4f0f57144253
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientService.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 bc19602c59b0ba4a7a99f791c87298df76d8d62f86a928e112dca285a88a5a77
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Core.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.Core.dll
          • Size 583KB
          • SHA256 91ae86fd5439c7d8a54b75cbb60c2ff9bdff84657b962d340d48cdf656c4928d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 9ddaf17f7f802e58c645d42184e0ac33dc755a885bc3637a7d837a4f6ae5fdea
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsAuthenticationPackage.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsClient.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.WindowsClient.exe
          • Size 689KB
          • SHA256 24671116eab5a97c5d15c4d7b434adff9ad2119db9b487490f4b251f28167069
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsClient.exe.config
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ScreenConnect.WindowsCredentialProvider.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 89fd40ccc2e2be1bf140e748212922aa4010a7ef4b0465aca958c9d3417e0bdd
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          system.config
          • Path C:\Program Files (x86)\ScreenConnect Client (00cb1adc3c5922a5)\system.config
          • Size 962B
          • SHA256 21fe87c84589408c95b43e3cc9dc6320a0390fd537e2f2be539a279e11e46f44
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          CustomAction.config
          • Path C:\Users\Admin\AppData\Local\Temp\MSI65.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ScreenConnect.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI65.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7fcba418fd772a38e420238d49e8301f23caf47eadcef400ecab8738813d9694
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSIF9EB.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSIF9EB.tmp
          • Size 1.1MB
          • SHA256 d39e53d74c6840d331b91b9c949db26f7c93a824e9fb104c532346a8c465b6e2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSIF9EB.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\MSIF9EB.tmp-\ScreenConnect.Core.dll
          • Size 573KB
          • SHA256 399ab0c1bcf2bf0c7618066d676b6958c2a5f4fed2d8f769f0eeea5492720e4f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.InstallerActions.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSIF9EB.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 f35f007dcb154d0346745309630b8cc21fe49638e76dc8dd77a3c62cb0aa754a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSIF9EB.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 4c281797c351fed77890634006a51bc3a6c60efa4c831fe21934353f304cdf61
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSI580A.tmp
          • Path C:\Windows\Installer\MSI580A.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          e5951a3.msi
          • Path C:\Windows\Installer\e5951a3.msi
          • Size 9.8MB
          • SHA256 b74b4ef66cad6ef1257a74457df01c7843d1de83f5bc2795b6fcc37ebfcdcaa1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          lipcpwt1.newcfg
          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (00cb1adc3c5922a5)\lipcpwt1.newcfg
          • Size 885B
          • SHA256 9879db5463803b5da18334230c361c4746c398de418b8204dd0ff69550087cdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          lmapfswq.newcfg
          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (00cb1adc3c5922a5)\lmapfswq.newcfg
          • Size 683B
          • SHA256 919d99917229b8626a28889d6bbbe67536dd5024ecde6fa00efe30f0e9f1c5df
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          user.config
          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (00cb1adc3c5922a5)\user.config
          • Size 520B
          • SHA256 e4747800bd6713767cdcc755c674c01cefaf7c5bb84fa2c4b7e30bea2b395160
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 32d28735c8159e6de18ee8faad016c04ee1c877f4fceb1ba6431a053dfe885ee
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {14016cb3-a3e9-4c8a-9dda-503078881eaa}_OnDiskSnapshotProp
          • Path \??\Volume{9cfaea72-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{14016cb3-a3e9-4c8a-9dda-503078881eaa}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 6665e81eccb5f5cccef36151f561dc07e39412e8232a0af5fffa3a8fd579235d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1764-34-0x00000000062A0000-0x000000000685A000-memory.dmp
          Download

          memory/1764-33-0x0000000005B30000-0x0000000005CE0000-memory.dmp
          Download

          memory/1764-29-0x0000000005860000-0x00000000058F6000-memory.dmp
          Download

          memory/1764-25-0x00000000057B0000-0x00000000057BC000-memory.dmp
          Download

          memory/1764-21-0x0000000003760000-0x000000000378E000-memory.dmp
          Download

          memory/2172-190-0x0000000004080000-0x00000000040C1000-memory.dmp
          Download

          memory/2172-143-0x00000000017D0000-0x00000000017EA000-memory.dmp
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          memory/2172-192-0x00000000045B0000-0x0000000004686000-memory.dmp
          Download

          memory/2172-187-0x00000000040F0000-0x000000000415C000-memory.dmp
          Download

          memory/2172-166-0x0000000004030000-0x0000000004080000-memory.dmp
          Download

          memory/2172-153-0x0000000004170000-0x0000000004320000-memory.dmp
          Download

          memory/2172-149-0x0000000003F20000-0x0000000003FB6000-memory.dmp
          Download

          memory/2172-188-0x00000000043C0000-0x0000000004452000-memory.dmp
          Download

          memory/3388-212-0x000000001AE70000-0x000000001AF06000-memory.dmp
          Download

          memory/3388-213-0x000000001B3E0000-0x000000001B590000-memory.dmp
          Download

          memory/3388-208-0x000000001AE00000-0x000000001AE6C000-memory.dmp
          Download

          memory/3388-207-0x0000000000170000-0x0000000000220000-memory.dmp
          Download

          memory/3388-216-0x0000000000AA0000-0x0000000000ABA000-memory.dmp
          Download

          memory/3388-217-0x000000001B720000-0x000000001B8A8000-memory.dmp
          Download

          memory/3612-64-0x00000000035C0000-0x00000000035E8000-memory.dmp
          Download