Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 18:31

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260727-w6arkscf47
  • SHA256 a77923a9dbbae8ea379b340132046503dc9cde7cfdfec8d731d6652bac441898
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 1 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.

  • 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
  • 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.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 10 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5996
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\ae428568348a5b69\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:4228
  • 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:4684
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 36C8BD39A5880D9D265D79E13B79E24E C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2704
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7D73.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240746000 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6036
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI82C4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240747312 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4824
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI890E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240749046 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5960
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2692
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C14243B499320C529C88FB359C484FE5
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4844
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5BD9D41356E0388F6FE738187C8ADAB9 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5648
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1028
    • C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-vy84j2-relay.screenconnect.com&p=443&s=98baa4c9-b35b-48b6-ab02-11d6cc8c71c9&k=BgIAAACkAABSU0ExAAgAAAEAAQA5NKYJL8eoMe4q2bI%2fS3pYN9KFZVN%2fBvayeIO5Z5kIX9Bd8naGgTJcrx807gYNk4Mv0jara5rrOAWab4yfOyHTM75JTzo6sPJaPjy1dkpH%2fZih61Co6lf%2flObsKLq4g09bqDdnFzguEFFfRVEFMqb7%2f%2fmjP%2bDEPlM1m%2b4VkW1kIrQ8ImmTBNnsWr3OXptSr753N1IsgH6zWNOt9p7WvC08KJcmeyBPSX3tVe6fXLNCbDElq0xQ%2fTnNT%2fWGZVjxGyGXQqHQv2kNkZCSz955oh3AfuIupI36hO61V4Xk2JvtxehyGUr1QnUn%2bT3gNd8SP393MUy94Uk9rrkioFXHjuCz&c=FM"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.WindowsClient.exe" "RunRole" "4144ec26-07f9-4898-a839-2e2b2ed72ca6" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5380
      • C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.WindowsClient.exe" "RunRole" "3b4ab29e-08f1-4bf2-a19f-a878331d078d" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5012

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59e2b6.rbs

          • Path C:\Config.Msi\e59e2b6.rbs
          • Size 214KB
          • SHA256 7943ab609441dad533afb1357ad4a063c771affd61604d2a463b2fecf8d78690
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (ae428568348a5b69)\system.config
          • Size 966B
          • SHA256 1f38530516a7629f8fe7ac8178fcc73e4703e9d539f2222615f4b6f3b46f987a
          • MD5 SHA1 SHA512 TLSH

          MSI7D73.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7D73.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7D73.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7D73.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7D73.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7D73.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI82C4.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI82C4.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\ae428568348a5b69\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 3f742de15e304bf23271f3e4e9a0585e040dab55bf1486cb7056a32cb5230da0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE9DA.tmp

          • Path C:\Windows\Installer\MSIE9DA.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          uj4exjbc.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ae428568348a5b69)\uj4exjbc.newcfg
          • Size 883B
          • SHA256 047f30a020a9e9e62575d81535f624e8d49b80e2ea543e4ee0d2fae0b95fcd22
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ae428568348a5b69)\user.config
          • Size 683B
          • SHA256 061e5e7d1e5fe3ccbc61fdbb7e3dbfec9c6d348fdd4649bf2c157c6965c665fb
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (ae428568348a5b69)\user.config
          • Size 520B
          • SHA256 967e0ccb1ff4c13c9b33cf89972cea791dddb3907bc0f647325c527dede584d8
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 12a1d6b0ed776132579e704820a6b34a1b986f09d188e78520ee1c873102a72c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {d9e6dfa9-938b-4a8d-b5ef-a716077e22a5}_OnDiskSnapshotProp

          • Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d9e6dfa9-938b-4a8d-b5ef-a716077e22a5}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 3e8e3948a6528d230e8b3053a7c759e08708c751922d7e5f77c5069f9a5fc08d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2052-192-0x00000000046E0000-0x000000000474C000-memory.dmp

          memory/2052-158-0x0000000004510000-0x00000000045A4000-memory.dmp

          memory/2052-162-0x0000000004820000-0x00000000049D0000-memory.dmp

          memory/2052-152-0x0000000001E50000-0x0000000001E6A000-memory.dmp

          memory/2052-195-0x00000000045B0000-0x00000000045F1000-memory.dmp

          memory/2052-175-0x0000000004600000-0x0000000004650000-memory.dmp

          memory/2052-197-0x0000000004BC0000-0x0000000004C96000-memory.dmp

          memory/2052-193-0x00000000049D0000-0x0000000004A62000-memory.dmp

          memory/4824-75-0x00000000058B0000-0x00000000058D8000-memory.dmp

          memory/5012-227-0x000000001CBA0000-0x000000001CD6A000-memory.dmp

          memory/5012-225-0x00000000027E0000-0x0000000002821000-memory.dmp

          memory/5380-218-0x000000001B1E0000-0x000000001B274000-memory.dmp

          memory/5380-217-0x000000001ADD0000-0x000000001AE3C000-memory.dmp

          memory/5380-226-0x000000001C600000-0x000000001C7CA000-memory.dmp

          memory/5380-222-0x00000000022C0000-0x0000000002301000-memory.dmp

          memory/5380-221-0x000000001B770000-0x000000001B8F8000-memory.dmp

          memory/5380-220-0x00000000009C0000-0x00000000009DA000-memory.dmp

          memory/5380-219-0x000000001B430000-0x000000001B5E0000-memory.dmp

          memory/5380-215-0x0000000000080000-0x000000000012E000-memory.dmp

          memory/5996-1-0x00000000021A0000-0x00000000021A8000-memory.dmp

          memory/5996-4-0x0000000074780000-0x0000000074F3C000-memory.dmp

          memory/5996-2-0x00000000021C0000-0x00000000021CC000-memory.dmp

          memory/5996-13-0x0000000074780000-0x0000000074F3C000-memory.dmp

          memory/5996-8-0x0000000006A70000-0x000000000702A000-memory.dmp

          memory/5996-3-0x0000000003B20000-0x0000000003BB4000-memory.dmp

          memory/5996-9-0x0000000074780000-0x0000000074F3C000-memory.dmp

          memory/5996-7-0x0000000074780000-0x0000000074F3C000-memory.dmp

          memory/5996-6-0x0000000006300000-0x00000000064B0000-memory.dmp

          memory/5996-5-0x0000000003AC0000-0x0000000003AE8000-memory.dmp

          memory/5996-11-0x0000000074780000-0x0000000074F3C000-memory.dmp

          memory/5996-0-0x0000000074792000-0x0000000074793000-memory.dmp

          memory/6036-41-0x0000000005F30000-0x0000000005FC4000-memory.dmp

          memory/6036-45-0x00000000061B0000-0x0000000006360000-memory.dmp

          memory/6036-33-0x0000000005E50000-0x0000000005E7E000-memory.dmp

          memory/6036-37-0x0000000005E80000-0x0000000005E8C000-memory.dmp