Overview

overview

8

Static

static

1

ScreenConn...up.msi

windows10-2004-x64

8

ScreenConn...up.msi

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/07/2026, 08:19

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General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260729-j76jesfb78
  • SHA256 879617884d18a22bbd36afdcd7bce133f1e1cf92471fea46c7632ce40ca3fa56
  • 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
  • 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 2 IoCs
  • Loads dropped DLL 42 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 9 IoCs
  • Drops file in Program Files directory 16 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 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.

  • Modifies data under HKEY_USERS 8 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 8 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
    • Suspicious use of SetWindowsHookEx
    PID:4372
  • 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:5916
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 4FDC11E57761917E9C9AA65A1F66D371 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4636
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI235D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240723109 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3444
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2998.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240724406 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5728
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3149.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240726609 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3652
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5756
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 029E341AC2EB7ADD042439771B16286E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5376
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9BDA0F5602C1AAC49BD6E27F6D13D1CF E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2336
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1068
    • C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-jr7nv7-relay.screenconnect.com&p=443&s=14d7e929-8210-4d98-a32b-f40f0436debd&k=BgIAAACkAABSU0ExAAgAAAEAAQDti18aQ71w9XNCA%2b2wY2erzk07GMjG%2bPsRN3HI6Ut5%2b71kzwg82El4%2f3N%2b%2f7Vr9QxJ9RWZ2ePzZFBJUyDHI34czVLjP4meAJmCHb6d%2f9baw43bR1HNvhk6dyIF8hduXQErcd6KbH91NywFedpfmchHLu%2fIs3Nf20YXg7dSLDGIG%2fLvexEK9d7QrbfBYBG1yTr9pRXwl3T5lKvZDSGBp5x0sANF0nTeJWFPj%2bsi22I8ngWGtA1oeNGsvPRMoYJDkRuRD1RAcyXDhVc7Y3r1%2bqy7w2w0WxkSinyydvKXe2XyJEokM4u4qcDX0LStEpJ1be27qUWcmJF97LGJ0XN2hmfg"
      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:5236
      • C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.WindowsClient.exe" "RunRole" "85c2081d-c843-4f3b-87c6-a06af707051b" "User"
        2⤵
        • Executes dropped EXE
        PID:2808

    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

          2
          T1012

          System Information Discovery

          2
          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

          e599aff.rbs
          • Path C:\Config.Msi\e599aff.rbs
          • Size 214KB
          • SHA256 d25fdd49b0125ef24da942df5f2b457922536e268fbed870bf4fff9942f78d72
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.en-US.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Client.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientService.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientService.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Core.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsAuthenticationPackage.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsClient.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsCredentialProvider.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          system.config
          • Path C:\Program Files (x86)\ScreenConnect Client (42c80732385da9ef)\system.config
          • Size 966B
          • SHA256 24e3c3a4c739b85671d85d45b15b72ca4737cb8b00e25dd41eb99aa85931f94d
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          MSI235D.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI235D.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI235D.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\MSI235D.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.InstallerActions.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI235D.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI235D.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          CustomAction.config
          • Path C:\Users\Admin\AppData\Local\Temp\MSI2998.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ScreenConnect.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI2998.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSIA271.tmp
          • Path C:\Windows\Installer\MSIA271.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          e599afe.msi
          • Path C:\Windows\Installer\e599afe.msi
          • Size 9.8MB
          • SHA256 879617884d18a22bbd36afdcd7bce133f1e1cf92471fea46c7632ce40ca3fa56
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          3lmsecma.newcfg
          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (42c80732385da9ef)\3lmsecma.newcfg
          • Size 882B
          • SHA256 e871eb087775e9a259471a55a2f3f0a99de327a5aa51e9f354ac4803c5521943
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          user.config
          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (42c80732385da9ef)\user.config
          • Size 683B
          • SHA256 37531e4ff18b813cef20cee660fd4943ee2bf906ced180a451a31a326fa533b5
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          user.config
          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (42c80732385da9ef)\user.config
          • Size 520B
          • SHA256 aef48f3a6532c5ad7d4951beee70da9fc26ad5e76575516334a78c7ed25ff409
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 b91864fcd3c75d3ba5095fbe60c8440accdd4d2fe618039f60b1a4625436de76
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {543d99ce-f4da-4c62-a34d-79b95d810acc}_OnDiskSnapshotProp
          • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{543d99ce-f4da-4c62-a34d-79b95d810acc}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 aa184a677658fde97c26a6eba7f9f74b71e4b48c5d3386e4b020bed1198a9823
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3444-29-0x00000000058B0000-0x0000000005944000-memory.dmp
          Download

          memory/3444-33-0x0000000005C10000-0x0000000005DC0000-memory.dmp
          Download

          memory/3444-21-0x0000000003780000-0x00000000037AE000-memory.dmp
          Download

          memory/3444-25-0x00000000037C0000-0x00000000037CC000-memory.dmp
          Download

          memory/3444-34-0x0000000006380000-0x000000000693A000-memory.dmp
          Download

          memory/5236-141-0x0000000001FC0000-0x0000000001FDA000-memory.dmp
          Download

          memory/5236-184-0x0000000004A00000-0x0000000004A41000-memory.dmp
          Download

          memory/5236-186-0x0000000004D70000-0x0000000004E46000-memory.dmp
          Download

          memory/5236-182-0x0000000004B80000-0x0000000004C12000-memory.dmp
          Download

          memory/5236-164-0x00000000047F0000-0x0000000004840000-memory.dmp
          Download

          memory/5236-181-0x0000000004A70000-0x0000000004ADC000-memory.dmp
          Download

          memory/5236-151-0x0000000004850000-0x0000000004A00000-memory.dmp
          Download

          memory/5236-147-0x0000000004600000-0x0000000004694000-memory.dmp
          Download

          memory/5728-64-0x00000000037F0000-0x0000000003818000-memory.dmp
          Download