Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 06:14

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260809-gzedvssbmf
  • SHA256 7aee8fbe1e1c74f6128f977d9e5ebe46adce4faa1f7a61f95b02c73e5a760ceb
  • 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 18 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 2 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 10 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:\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:3516
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\d65a3ebd9ec8b8a0\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:4712
  • 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:3388
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A6AD995FD617174AB7334A6A7DB80BF7 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:936
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF64D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240776953 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4344
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIFAC2.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240777984 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5892
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF4A4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240842015 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1616
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5056
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 67BCED1ABBA0F1C93682DB7761D30C26
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4744
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1792D898328551329F8CA39C777227A2 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:6136
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1712
    • C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-jvcnso-relay.screenconnect.com&p=443&s=dd0ac3a8-3c02-4585-a44e-0e1a281e4a99&k=BgIAAACkAABSU0ExAAgAAAEAAQBdGEsx8%2fUZoEH5I13Ql1%2f5BtNykaswgLbv0JgAWiLfEsJHzBxIyvrzXQrYdrj6bYpe2425J%2bwlwB%2b44UxUlDGHaqRSa5cxl1QuslnGXJM9AxkMedeiyLcWkgJI4DR5ZhvXgmpXuNSWP8HR0JR3eeHa3OH6R6RciquTHsZ8aRNkV5zaMiMnAaLYsyMHwjYRJ%2fj%2fN3gvlreAuLOW2d4sPkTaNEpI2BuSaiq%2f0vQQbIFoC5oJX2BMEmm3008ZZtN22%2bMJi%2fU7CyDvizv81t4SgMOXwLaM845R%2ffRpBrl2sGU0jGC6Gg0oYRrYFW3iCktI0zlQXhCaq%2fmpkP3p8wgNaz7J"
      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:1856
      • C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.WindowsClient.exe" "RunRole" "61ce3829-d645-4e75-b1e3-a7bb412d70ed" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1840

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5b3cf7.rbs

          • Path C:\Config.Msi\e5b3cf7.rbs
          • Size 214KB
          • SHA256 ea7b84313ca28fe5ee5fc7b113cbb3413659502148a3d54b25a37064137e007f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (d65a3ebd9ec8b8a0)\system.config
          • Size 966B
          • SHA256 b68f9adb81564f7a0668229ed5e5d99fd6797e70bb758967054a14c204ab6be5
          • MD5 SHA1 SHA512 TLSH

          MSIF64D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF64D.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF64D.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF64D.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF64D.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF64D.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIFAC2.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIFAC2.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\d65a3ebd9ec8b8a0\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 1246a085118abe18ca5a3845912cebd36fe10e83b383181cd2b2c4ebd8fad981
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI43DC.tmp

          • Path C:\Windows\Installer\MSI43DC.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          bs44x2pw.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (d65a3ebd9ec8b8a0)\bs44x2pw.newcfg
          • Size 882B
          • SHA256 0a59c06eb0ffd2a77a83aa46f64d991886d8f9321be8f35729790c720615d227
          • MD5 SHA1 SHA512 TLSH

          d4qlj3j5.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (d65a3ebd9ec8b8a0)\d4qlj3j5.newcfg
          • Size 882B
          • SHA256 6bed4c7e4de42ac138f2d58f01fb63426ed5325a92fb4e07cfa4cc475143df5e
          • MD5 SHA1 SHA512 TLSH

          sj1daw1h.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (d65a3ebd9ec8b8a0)\sj1daw1h.newcfg
          • Size 882B
          • SHA256 e6c907c9afa4575272b7a06ba9a100da5f807cb65535ec4caf2e474ed018fc1b
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (d65a3ebd9ec8b8a0)\user.config
          • Size 520B
          • SHA256 ca84767d9727c32b06132f67a716c8c6d994ad483180d006e63ab62247b5dcc4
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (d65a3ebd9ec8b8a0)\user.config
          • Size 683B
          • SHA256 35be3fc4bb9214d48d6434b8d2b44629c5dcc8cfb92385efadac6e14495885a2
          • MD5 SHA1 SHA512 TLSH

          v2oatipm.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (d65a3ebd9ec8b8a0)\v2oatipm.newcfg
          • Size 882B
          • SHA256 269f9f16f730ea9bc63ce68240e22f4411d19f937fdd1415f8b5fd32ccfc93fe
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 b6582365c2a0d3b9513f3ed459b80d2d088adddacdc728c44649b96dc896dd06
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {c2d6ec1a-8232-4560-a0ed-5db4c0fe8731}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{c2d6ec1a-8232-4560-a0ed-5db4c0fe8731}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 cc035b9d92671e7cfcb9a6e6f197455b5315e83bede17ebfd66b3a7903fa7d82
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1840-224-0x000000001C5E0000-0x000000001C768000-memory.dmp

          memory/1840-221-0x00000000033C0000-0x0000000003454000-memory.dmp

          memory/1840-219-0x0000000000F20000-0x0000000000FCE000-memory.dmp

          memory/1840-223-0x00000000030F0000-0x000000000310A000-memory.dmp

          memory/1840-222-0x000000001C2A0000-0x000000001C450000-memory.dmp

          memory/1840-220-0x0000000003130000-0x000000000319C000-memory.dmp

          memory/1856-179-0x0000000004260000-0x00000000042B0000-memory.dmp

          memory/1856-156-0x0000000001A60000-0x0000000001A7A000-memory.dmp

          memory/1856-166-0x0000000004310000-0x00000000044C0000-memory.dmp

          memory/1856-162-0x0000000004030000-0x00000000040C4000-memory.dmp

          memory/1856-199-0x00000000042B0000-0x00000000042F1000-memory.dmp

          memory/1856-196-0x0000000004530000-0x000000000459C000-memory.dmp

          memory/1856-197-0x0000000004640000-0x00000000046D2000-memory.dmp

          memory/1856-201-0x0000000004830000-0x0000000004906000-memory.dmp

          memory/3516-6-0x0000000005B00000-0x0000000005CB0000-memory.dmp

          memory/3516-8-0x0000000006270000-0x000000000682A000-memory.dmp

          memory/3516-4-0x00000000059A0000-0x0000000005A34000-memory.dmp

          memory/3516-3-0x0000000074B90000-0x000000007534C000-memory.dmp

          memory/3516-2-0x0000000003300000-0x000000000330C000-memory.dmp

          memory/3516-7-0x0000000074B90000-0x000000007534C000-memory.dmp

          memory/3516-1-0x00000000032E0000-0x00000000032E8000-memory.dmp

          memory/3516-0-0x0000000074BA2000-0x0000000074BA3000-memory.dmp

          memory/3516-5-0x0000000005A30000-0x0000000005A58000-memory.dmp

          memory/3516-10-0x0000000074B90000-0x000000007534C000-memory.dmp

          memory/3516-12-0x0000000074B90000-0x000000007534C000-memory.dmp

          memory/4344-46-0x0000000005F20000-0x00000000060D0000-memory.dmp

          memory/4344-42-0x0000000005CB0000-0x0000000005D44000-memory.dmp

          memory/4344-38-0x0000000005C00000-0x0000000005C0C000-memory.dmp

          memory/4344-34-0x0000000003BB0000-0x0000000003BDE000-memory.dmp

          memory/5892-76-0x00000000035C0000-0x00000000035E8000-memory.dmp