Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/07/2026, 18:24

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 12.0MB
  • Sample260716-w16basaz9n
  • SHA256 0dbe6bdd744a8d2fe1db7997d6979751ae66bfd823ca53958f6483fa928e15bf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 3 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 12 IoCs
  • Drops file in Program Files directory 17 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 14 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 7 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:4596
  • 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:4876
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6E87AB6CE0DA023352D15C2FF0554406 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1D33.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240721546 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5616
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI23CB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240722921 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1408
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIB8AA.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240761171 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:776
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2372
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8B7C33F5F193AFDDC9918BFA0CBE50F7
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:6080
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 82CB7EF9CAC4A190949CE2E64118908F E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3612
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4808
    • C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-emylbm-relay.screenconnect.com&p=443&s=0237878e-0384-42da-a12b-df5e2094209a&k=BgIAAACkAABSU0ExAAgAAAEAAQCF%2fAeKkUQpk1KWUxEmg3nHOKB%2f2uGS20SavxOQKSxC%2bm989WTRD086N6Vpor3%2fjN%2bnMf3bRq63YuYizAHb5tkqgfMooNL9FLL3GDcf%2f1psLtkzRmwMU7q2Q47HDsOdZrvsBQ%2fghz5tXlMY%2fwH57sWHQrsTUK2J9q8DUM7r0ndhGmKUDu%2bl6oMb98zE0R%2fogwAAkFjqus3vo6yNs9xALTJaj61%2fLCb8szSAmgRUDgvyzrazgQrbxjp0lbARmgS8f8M%2b41jxHc%2f90IBmS9GOA1EBCG3VRogClOWQWylyhkdsowIYJUsrFgljIQwsjb4l2uTYHIv%2bieL93yJQ6hOFx8y%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:3220
      • C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.WindowsClient.exe" "RunRole" "50dbee71-411d-4470-84d9-d6429e16a823" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2300
      • C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.WindowsClient.exe" "RunRole" "79ae19d9-23ec-4771-a094-2fa6388d08a8" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3644

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a103e.rbs

          • Path C:\Config.Msi\e5a103e.rbs
          • Size 214KB
          • SHA256 7a91e36afdb90ba07c09b0a2cefc7f9fddabbb56d5b806698987167ab30c9d28
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.de-DE.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\Client.de-DE.resources
          • Size 55KB
          • SHA256 f248cb5f7b5eaff5d643fa148c7f675c2f1461a564f19b90ebdb71e575bb5f63
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (be93e6b7e4b470ed)\system.config
          • Size 974B
          • SHA256 ed1e2ad9ac4fdd34a251c19c70e79918ce7b57fad79a5f68223e8fcaff24f0ad
          • MD5 SHA1 SHA512 TLSH

          MSI1D33.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1D33.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1D33.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1D33.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1D33.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1D33.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI23CB.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI23CB.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI1724.tmp

          • Path C:\Windows\Installer\MSI1724.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5a103d.msi

          • Path C:\Windows\Installer\e5a103d.msi
          • Size 12.0MB
          • SHA256 0dbe6bdd744a8d2fe1db7997d6979751ae66bfd823ca53958f6483fa928e15bf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          fp30qap4.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (be93e6b7e4b470ed)\fp30qap4.newcfg
          • Size 882B
          • SHA256 c51ea3470ccf20798bc5377d05cfb6a45cfefeda414f6560f5732a37013c353c
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (be93e6b7e4b470ed)\user.config
          • Size 520B
          • SHA256 3e2f92ebde07f4f5ab6f7cf91a7d5ed12a2e0bc896840a98b3c2328a4423ed7a
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (be93e6b7e4b470ed)\user.config
          • Size 683B
          • SHA256 dc847754e4b5664cc6130f85d043d3cc2d6711f95d8b7e9573de33f239c6ff2b
          • MD5 SHA1 SHA512 TLSH

          whvgiqrc.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (be93e6b7e4b470ed)\whvgiqrc.newcfg
          • Size 882B
          • SHA256 6aa9bac87c51a30201836847fc036e06900479a3d73e3084079ef741329eeeb6
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 b5b29df9c241a089c6e625d1c6b99cce486cec43443adb1e2fe0a2386cc0a9a9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {5462d289-5942-4161-a9f7-816feaf7b82c}_OnDiskSnapshotProp

          • Path \??\Volume{6392210f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{5462d289-5942-4161-a9f7-816feaf7b82c}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 37d3181205e22a3158c92edb1c0f7965f4d8ca452e445fd2bba7e4f83512a91b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1408-64-0x00000000055E0000-0x0000000005608000-memory.dmp

          memory/2300-208-0x0000000000C50000-0x0000000000CFE000-memory.dmp

          memory/2300-213-0x000000001C300000-0x000000001C488000-memory.dmp

          memory/2300-212-0x0000000001670000-0x000000000168A000-memory.dmp

          memory/2300-209-0x0000000002F30000-0x0000000002F9C000-memory.dmp

          memory/2300-211-0x000000001C150000-0x000000001C300000-memory.dmp

          memory/2300-210-0x000000001BE00000-0x000000001BE94000-memory.dmp

          memory/3220-166-0x0000000004070000-0x00000000040C0000-memory.dmp

          memory/3220-143-0x0000000001790000-0x00000000017AA000-memory.dmp

          memory/3220-149-0x0000000003FD0000-0x0000000004064000-memory.dmp

          memory/3220-153-0x0000000004220000-0x00000000043D0000-memory.dmp

          memory/3220-186-0x00000000040C0000-0x0000000004101000-memory.dmp

          memory/3220-188-0x0000000004660000-0x0000000004736000-memory.dmp

          memory/3220-183-0x0000000004130000-0x000000000419C000-memory.dmp

          memory/3220-184-0x0000000004470000-0x0000000004502000-memory.dmp

          memory/5616-34-0x0000000006990000-0x0000000006F4A000-memory.dmp

          memory/5616-33-0x0000000006220000-0x00000000063D0000-memory.dmp

          memory/5616-29-0x0000000005E70000-0x0000000005F04000-memory.dmp

          memory/5616-25-0x0000000003D90000-0x0000000003D9C000-memory.dmp

          memory/5616-21-0x0000000003D60000-0x0000000003D8E000-memory.dmp