Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/07/2026, 18:13

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260718-wtrvbscx8z
  • SHA256 1baa9dffe816824c92456ba687d71c03d248a51dbdd504bf84c9de026ce76c3d
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • ConnectWise ScreenConnect remote access tool

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

  • 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.

  • Executes dropped EXE 3 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.

  • 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
  • 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.

  • 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.

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:4952
  • 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:3668
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 7C8D194A254EBA4E5E20A6F14891FDA0 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2089.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240787843 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:992
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2676.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240789218 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3384
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2DAB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240791046 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3708
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1560
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 84C870C747889E831AE983D44F9E3370
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3516
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 09148BEEC39F648399B59026E6695678 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3728
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3236
    • C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-qvtg7w-relay.screenconnect.com&p=443&s=cd4940c5-0ad3-4eee-8978-517fa7e3c166&k=BgIAAACkAABSU0ExAAgAAAEAAQBRZ6YvoayUk%2bImyU6FmSvCzmFoGoUbueBdUskUsyxYuPiKJ%2fQ%2fyhxcf01uMlcd6x72HmWzKGFkk7JOt%2flygk3s%2bpuWXr%2bEOZHAVFNKf5A5TdFi%2fqQlornkj94tBtIW%2bsisOmHBB%2fKNIeF%2bweYst04s8Uwn03SWbvBFMEsJkO79FmfENxaxT9rM7NPFYYZGajo1D%2fAYowDV1qnmfvduoEJgYqydG3QAjyHCWDYBZho2vgxMJapQ8yOFnZ07fQ%2bT8Un8LJwXt1BlZDX9nqxsRTpRyOWdRgc1mYiWw0c2SEon3sMtUjorLo8JtClKzuGI8T76jputvQD3%2f515r8uubX6%2f"
      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:4192
      • C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsClient.exe" "RunRole" "910156bd-86d8-4224-a112-da6397de3e3b" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3760
      • C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsClient.exe" "RunRole" "5e8bbbbd-0508-4468-b1cf-877a89467b62" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4064

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a7755.rbs

          • Path C:\Config.Msi\e5a7755.rbs
          • Size 214KB
          • SHA256 ab630efe6196f1283585f4b77831fc647f18095338105d1d72f5f785f9cdae76
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b30aaf371ef90238)\system.config
          • Size 972B
          • SHA256 a7fff1297892de3f3e4a599d7bfb3171a4dc02392b4369ccf85e533f2d58b94a
          • MD5 SHA1 SHA512 TLSH

          MSI2089.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2089.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2089.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2089.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2089.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2089.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2676.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2676.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI7F15.tmp

          • Path C:\Windows\Installer\MSI7F15.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5a7754.msi

          • Path C:\Windows\Installer\e5a7754.msi
          • Size 9.8MB
          • SHA256 1baa9dffe816824c92456ba687d71c03d248a51dbdd504bf84c9de026ce76c3d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b30aaf371ef90238)\user.config
          • Size 683B
          • SHA256 aa589b41d01ed74a1d6d2aa34a24d1168ceb1c591f2b2751d9801d262f2d795e
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b30aaf371ef90238)\user.config
          • Size 520B
          • SHA256 f2f164a62e98cc11679e7c88787413f61b87aebc3ace467818b6338151125257
          • MD5 SHA1 SHA512 TLSH

          xwhke0v1.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b30aaf371ef90238)\xwhke0v1.newcfg
          • Size 881B
          • SHA256 eedfb37be3a1e66fcce03e9162cbd1b35dc05ccf262612a702a9d3909706e1b0
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 cf708427efbaf8b88ba1b92f27a541cf6e325df23dbcf29498970ef9c905696e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {d189754c-8f03-450f-a9f5-4f396b05e357}_OnDiskSnapshotProp

          • Path \??\Volume{6392210f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d189754c-8f03-450f-a9f5-4f396b05e357}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 b0621d1d34fb8deb77a7f0b22cce87b0ee4afa885ec6510ac2fc5ed23fa250d8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/992-32-0x00000000060E0000-0x000000000669A000-memory.dmp

          memory/992-19-0x0000000005600000-0x000000000562E000-memory.dmp

          memory/992-31-0x0000000005970000-0x0000000005B20000-memory.dmp

          memory/992-27-0x0000000005720000-0x00000000057B4000-memory.dmp

          memory/992-23-0x0000000005640000-0x000000000564C000-memory.dmp

          memory/3384-62-0x00000000035D0000-0x00000000035F8000-memory.dmp

          memory/3668-213-0x00000229C3DE0000-0x00000229C4784000-memory.dmp

          memory/3760-209-0x0000000002730000-0x000000000274A000-memory.dmp

          memory/3760-205-0x0000000000630000-0x00000000006DE000-memory.dmp

          memory/3760-210-0x000000001BBC0000-0x000000001BD48000-memory.dmp

          memory/3760-206-0x000000001B2A0000-0x000000001B30C000-memory.dmp

          memory/3760-207-0x000000001B310000-0x000000001B3A4000-memory.dmp

          memory/3760-208-0x000000001B880000-0x000000001BA30000-memory.dmp

          memory/4064-212-0x0000000002C20000-0x0000000002C61000-memory.dmp

          memory/4192-182-0x0000000004AE0000-0x0000000004B72000-memory.dmp

          memory/4192-147-0x0000000004510000-0x00000000045A4000-memory.dmp

          memory/4192-141-0x00000000042F0000-0x000000000430A000-memory.dmp

          memory/4192-151-0x0000000004760000-0x0000000004910000-memory.dmp

          memory/4192-164-0x0000000004910000-0x0000000004960000-memory.dmp

          memory/4192-186-0x0000000004CD0000-0x0000000004DA6000-memory.dmp

          memory/4192-181-0x00000000049D0000-0x0000000004A3C000-memory.dmp

          memory/4192-184-0x0000000004960000-0x00000000049A1000-memory.dmp