Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/07/2026, 18:15

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260724-wv93asak2s
  • SHA256 f97cfbcbe58183d10c636af484788979d60f866c5aa1c74ca99898a62ddc0d52
  • 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:944
  • 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:3268
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 511EF98E59320ABFE4014650E5A87B06 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4288
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI643E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240739781 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4324
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6B44.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240741265 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4084
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI722B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240743031 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2388
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4212
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 54B46711AE0432ECFDEA0DF0B2294EE3
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5304
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C9F5739A14CB0D647FEE83680B03BE91 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2756
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5660
    • C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-sl019a-relay.screenconnect.com&p=443&s=1e7044cd-63da-44e0-b177-ae494e96819c&k=BgIAAACkAABSU0ExAAgAAAEAAQAlP5WTJeohlaH%2b9V9iJ1BQlMALUcwftvhR1%2bsfv6ucq8QV3UHnzguLikK0RgzIAXL2VT9wZeCb7gNoQV%2b%2bl%2fUeShjltBK5MFY3rFO8epfNVndtNWNpsqSy7%2fdOL%2fazz88dI%2fC0RiH3%2bsvOAdahV2DwestKEF0EV5bN%2bOyJn1dT8sgezEakmfnYqV7dejqQOY85kHV17FOWc7J0nRXBBQZTvfAgsWfUcZ68dNz2LDbIHDcDKvRYSR8ymqr6SDY1ZJexEgFFNsYMF9CXjdnVmV%2boxlDYsvUjioCbdGx4I3WJxNnVkkIJdeceieUF%2fKIKxYhu9FBMupo2SVMx6sZScQO4&c=VCARD%20%20DIRECT&c=&c=&c=&c=&c=&c=&c="
      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:2628
      • C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.WindowsClient.exe" "RunRole" "7be4a52c-80cb-420e-82d0-9efd7bd07f26" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1432
      • C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.WindowsClient.exe" "RunRole" "5426c693-57cf-4de4-81ea-f3a17c3ad6a9" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:1536

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59c338.rbs

          • Path C:\Config.Msi\e59c338.rbs
          • Size 214KB
          • SHA256 a87dd84547aed1735820a7417200d6faba212ec53aa5abe204419601d29b8962
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (a1d3107a608a0704)\system.config
          • Size 968B
          • SHA256 5143d382c16bfdde483e8867471b2f860c4d4205f802c06811fbacbe5251a9bc
          • MD5 SHA1 SHA512 TLSH

          MSI643E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI643E.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI643E.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI643E.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI643E.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI643E.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6B44.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6B44.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIC933.tmp

          • Path C:\Windows\Installer\MSIC933.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59c337.msi

          • Path C:\Windows\Installer\e59c337.msi
          • Size 9.8MB
          • SHA256 f97cfbcbe58183d10c636af484788979d60f866c5aa1c74ca99898a62ddc0d52
          • MD5 SHA1 SHA512 SSDEEP TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (a1d3107a608a0704)\user.config
          • Size 683B
          • SHA256 e4745a4244e77a60e08fe8e38a4f827c0b3f7d8ea88ebde3c9728092756079bd
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (a1d3107a608a0704)\user.config
          • Size 520B
          • SHA256 539609e773f1612618ab1dad2f135c37fb0e48712134b769dd03417fe0fa956e
          • MD5 SHA1 SHA512 TLSH

          xg1yw1v2.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (a1d3107a608a0704)\xg1yw1v2.newcfg
          • Size 882B
          • SHA256 77fd1c858f7f2f866e4aed0aa152e26929674ee3d6dfa0880c372684737e733e
          • MD5 SHA1 SHA512 TLSH

          {ac2293e3-6305-4776-8b61-8c4f887215df}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{ac2293e3-6305-4776-8b61-8c4f887215df}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 9ee63d078173f8955c84bd495115b8561da5f5139f429c872ba0700c5314834b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1432-209-0x0000000000DB0000-0x0000000000DCA000-memory.dmp

          memory/1432-206-0x000000001B040000-0x000000001B0AC000-memory.dmp

          memory/1432-205-0x0000000000370000-0x000000000041E000-memory.dmp

          memory/1432-207-0x000000001B3C0000-0x000000001B454000-memory.dmp

          memory/1432-208-0x000000001B610000-0x000000001B7C0000-memory.dmp

          memory/1432-210-0x000000001B950000-0x000000001BAD8000-memory.dmp

          memory/1536-212-0x0000000002B00000-0x0000000002B41000-memory.dmp

          memory/2628-182-0x0000000004B10000-0x0000000004BA2000-memory.dmp

          memory/2628-184-0x0000000004830000-0x0000000004871000-memory.dmp

          memory/2628-186-0x0000000004D00000-0x0000000004DD6000-memory.dmp

          memory/2628-181-0x0000000004AA0000-0x0000000004B0C000-memory.dmp

          memory/2628-164-0x00000000047E0000-0x0000000004830000-memory.dmp

          memory/2628-151-0x00000000048F0000-0x0000000004AA0000-memory.dmp

          memory/2628-147-0x0000000004680000-0x0000000004714000-memory.dmp

          memory/2628-141-0x00000000045C0000-0x00000000045DA000-memory.dmp

          memory/4084-64-0x0000000005990000-0x00000000059B8000-memory.dmp

          memory/4324-34-0x0000000005BC0000-0x000000000617A000-memory.dmp

          memory/4324-33-0x0000000005450000-0x0000000005600000-memory.dmp

          memory/4324-29-0x0000000005200000-0x0000000005294000-memory.dmp

          memory/4324-25-0x0000000003080000-0x000000000308C000-memory.dmp

          memory/4324-21-0x0000000003120000-0x000000000314E000-memory.dmp