Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 18:17

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260807-wxdf4styhw
  • SHA256 ad9089fd9b235481362155f2f0eafed2f7d0ea404833e35d9c2544486e6c167a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 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 12 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 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 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:5676
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\1c4dca1c52f6e646\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:6140
  • 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:6556
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 9825417E0F5283323E42063EB88A9E17 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:6008
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI99A6.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240753250 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6552
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9EE7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240754640 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5932
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9974.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240818578 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6848
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3088
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2C2DE9E26DD5B914DB2770F50264E9D6
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5800
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1256163BD53BFE0157DC0FC2E7088AA2 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1424
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:236
    • C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-mpy270-relay.screenconnect.com&p=443&s=e002611b-5a13-443a-91f4-4d21844063ba&k=BgIAAACkAABSU0ExAAgAAAEAAQClcM66%2bZyhxhpjdHLlocQniQbifNbsdKBUnirmRdPAFHt47ABVkv5cvJkGqdG4T4uoVZumq%2bYZU4%2fH%2fy6yB7TIDbUWEiSaZJR8Zdwwz1ZPffZbuwDWWchT0Ednj9AVyo8KKntlg%2bztwNwY7VgOzztU5IigBz3epEyntqW0gPK2hira8HKVPPl9RTPwH6Nvo%2bdcezjn4ZgfneVxVxuKjrFFB4yr8P5VSR%2bI4CJsOoeQ0JRfyuOqwnpJ%2fck81kmSb7BHEYr6EDCdV3eumCOncwrLiPZUJ7KwCdHs6cOgogRJw5eObGHZdup87zvjsg9BjevdB%2b7%2bBIBkxrdbVrpGmU%2bh"
      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:7104
      • C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.WindowsClient.exe" "RunRole" "818ddb24-9a83-49e9-b9d2-e151e8977e9c" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4500
      • C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.WindowsClient.exe" "RunRole" "5649812d-2f13-4725-930d-0c0a9c733edd" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:6088

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5aebaa.rbs

          • Path C:\Config.Msi\e5aebaa.rbs
          • Size 214KB
          • SHA256 bd6cbb9d23ef53c3f557cbd823d5f0bc71870fccc0ce92b364358dc94211e80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1c4dca1c52f6e646)\system.config
          • Size 966B
          • SHA256 01f9c6bd3aaade4fefacaff6fe90fdf377450ab19c037a72fa3fb20ece247da6
          • MD5 SHA1 SHA512 TLSH

          MSI99A6.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI99A6.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI99A6.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI99A6.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI99A6.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI99A6.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9EE7.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9EE7.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\1c4dca1c52f6e646\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 64e64a277227d47993dcc283745206024b9470d34951b957dc03fd0d766512f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIF119.tmp

          • Path C:\Windows\Installer\MSIF119.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nkrtgrmz.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1c4dca1c52f6e646)\nkrtgrmz.newcfg
          • Size 879B
          • SHA256 2fea432d409987f0426ed5e89a720abd165dab1128372dca26023a739bdb0115
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1c4dca1c52f6e646)\user.config
          • Size 683B
          • SHA256 723c21e1c545a9f4ffb819316007fabfc4cc9b9b83c87c296480bad82ac012c6
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1c4dca1c52f6e646)\user.config
          • Size 520B
          • SHA256 161ed4b07ffe14bf00a211d01ae0c69df12906d79cdad7588d36499e28a88df0
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1c4dca1c52f6e646)\user.config
          • Size 879B
          • SHA256 12b9ba7fcb45bbb04c4d281ba0663886ebe911b59d2e109cc286c5877b6326ce
          • MD5 SHA1 SHA512 TLSH

          {d6e2291f-27bf-49bf-a424-4e58f553fdc2}_OnDiskSnapshotProp

          • Path \??\Volume{c4492839-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d6e2291f-27bf-49bf-a424-4e58f553fdc2}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 12d604a234320b8e19582539cde1b61e5aa6bdc286692528131e5e53da1bc5b0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4500-219-0x00000000029B0000-0x00000000029CA000-memory.dmp

          memory/4500-218-0x000000001BAB0000-0x000000001BC60000-memory.dmp

          memory/4500-216-0x000000001B450000-0x000000001B4BC000-memory.dmp

          memory/4500-215-0x00000000007B0000-0x000000000085E000-memory.dmp

          memory/4500-217-0x000000001B860000-0x000000001B8F4000-memory.dmp

          memory/4500-220-0x000000001CA10000-0x000000001CB98000-memory.dmp

          memory/4500-221-0x0000000002B30000-0x0000000002B71000-memory.dmp

          memory/5676-7-0x00000000067D0000-0x0000000006D8A000-memory.dmp

          memory/5676-2-0x0000000003970000-0x000000000397C000-memory.dmp

          memory/5676-13-0x00000000750F0000-0x00000000758AC000-memory.dmp

          memory/5676-6-0x0000000006060000-0x0000000006210000-memory.dmp

          memory/5676-11-0x00000000750F0000-0x00000000758AC000-memory.dmp

          memory/5676-9-0x00000000750F0000-0x00000000758AC000-memory.dmp

          memory/5676-8-0x00000000750F0000-0x00000000758AC000-memory.dmp

          memory/5676-5-0x0000000003B50000-0x0000000003B78000-memory.dmp

          memory/5676-1-0x0000000003950000-0x0000000003958000-memory.dmp

          memory/5676-0-0x0000000075102000-0x0000000075103000-memory.dmp

          memory/5676-3-0x0000000005F50000-0x0000000005FE4000-memory.dmp

          memory/5676-4-0x00000000750F0000-0x00000000758AC000-memory.dmp

          memory/5932-75-0x0000000005C40000-0x0000000005C68000-memory.dmp

          memory/6552-33-0x0000000003260000-0x000000000328E000-memory.dmp

          memory/6552-37-0x00000000032A0000-0x00000000032AC000-memory.dmp

          memory/6552-41-0x0000000003450000-0x00000000034E4000-memory.dmp

          memory/6552-45-0x0000000005760000-0x0000000005910000-memory.dmp

          memory/7104-198-0x0000000004B30000-0x0000000004C06000-memory.dmp

          memory/7104-153-0x0000000004390000-0x00000000043AA000-memory.dmp

          memory/7104-163-0x00000000046F0000-0x00000000048A0000-memory.dmp

          memory/7104-193-0x0000000004660000-0x00000000046CC000-memory.dmp

          memory/7104-194-0x0000000004940000-0x00000000049D2000-memory.dmp

          memory/7104-196-0x00000000045F0000-0x0000000004631000-memory.dmp

          memory/7104-159-0x00000000044A0000-0x0000000004534000-memory.dmp

          memory/7104-176-0x00000000045A0000-0x00000000045F0000-memory.dmp