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
    29/07/2026, 12:26

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260729-pl81bage64
  • SHA256 8944dfc27ba58333d6f69aa35136152e5ebcd35f0fc75086d5dc5ff450338c98
  • 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:4332
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\bf15718684621ddd\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:4400
  • 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:5620
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding B8F030FE1AA1A71FD544B54C088C5244 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1548
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID29D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240702343 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2312
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID7DE.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240703531 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6076
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIBD4D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240762265 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4884
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5780
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 152FCC1BDE75A5D472EE029911598D49
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5328
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 15D72E835E510B267BDA3F949F2B1D30 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2936
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3536
    • C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-fo3nup-relay.screenconnect.com&p=443&s=2cd316d4-3eb8-4c51-acf1-f279a9609b15&k=BgIAAACkAABSU0ExAAgAAAEAAQC1v%2f7SUpFIXP3kpK1lvTAeYSdRtohXtPthtpSekjkaFU5NrblEWUsTzlHlfra1vIEJBSHbmWP0zFEgHIkgP71Ps8gUgvz9cbsHJ2aVEfiSdlC4gWfEafi9ftmf0GCYmoZvvijIIR0ZX8oyp9lBv3M%2fIXQB7%2fxXs71TtyK94Jfw8dpd0e4FXlCY6ETp%2bSoSrYjq8Y9s8T8sMNYkXopGSLlwdRPMMo0s2MVW2mYMjqkUBdQ5GnRNn0fO0z9vQhkNg9%2btw22pP2zuVWJo%2bj1MOEZ83L6jeY6OWEm%2fdKfyf1OEjp0c55F2yDQc551ZIRi%2bPNU27NBsBt2a0DwRDDX3f7K%2b&c=0BAL&c=04SOLI&c=0PROT&c=0FZ7A1&c=&c=&c=&c="
      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:1988
      • C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.WindowsClient.exe" "RunRole" "43cef289-8368-4dbf-915e-1375861344d2" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4644
      • C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.WindowsClient.exe" "RunRole" "6bdee035-7d47-42fa-9b7a-a4fbd3472ddb" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5132

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a2211.rbs

          • Path C:\Config.Msi\e5a2211.rbs
          • Size 214KB
          • SHA256 d1bfa57f69d5f10d7b05b887f446d48c8237ce2f50eaeb02f7cd4a3106d8f93d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (bf15718684621ddd)\system.config
          • Size 962B
          • SHA256 65e6eb43b3fe3035d1f3d58c40b7f6bb97948a5019dfbb1039420fb58163d465
          • MD5 SHA1 SHA512 TLSH

          MSID29D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSID29D.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID29D.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID29D.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID29D.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID29D.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSID7DE.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID7DE.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\bf15718684621ddd\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 2480deff7211d2d8d8d36eab3d7a85ff6cb701e0f7b539afa5605548265d23d2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI2A5E.tmp

          • Path C:\Windows\Installer\MSI2A5E.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          anhtnfbg.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bf15718684621ddd)\anhtnfbg.newcfg
          • Size 883B
          • SHA256 3af67b7d80e65cba68aa336c27b0fa9ec53f20f2a69177a4e0da872e0d7c52ee
          • MD5 SHA1 SHA512 TLSH

          ojvqcj1h.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bf15718684621ddd)\ojvqcj1h.newcfg
          • Size 683B
          • SHA256 4ed95c71a53a4c5cd98619d2e6b84d0a33a1069418cc46a4b19bb4bb740037d4
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bf15718684621ddd)\user.config
          • Size 520B
          • SHA256 f25bd2e5bf340e16c873d246cd099e77701496cfd93edd7c741c2f7617a62118
          • MD5 SHA1 SHA512 TLSH

          v1jltphk.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bf15718684621ddd)\v1jltphk.newcfg
          • Size 883B
          • SHA256 2e504fea506b54dd85d7467299e310fdbf108c82f52b8ccc9d11d88b3c42a2a7
          • MD5 SHA1 SHA512 TLSH

          {4284f35a-6bb5-448d-9141-f0c149ff52cd}_OnDiskSnapshotProp

          • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{4284f35a-6bb5-448d-9141-f0c149ff52cd}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 9480ae72b73ee0e54a1c3e4f70525eb74fd6622238cc0891962d2120426d11be
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1988-165-0x0000000004180000-0x0000000004330000-memory.dmp

          memory/1988-155-0x00000000018B0000-0x00000000018CA000-memory.dmp

          memory/1988-161-0x0000000003F00000-0x0000000003F94000-memory.dmp

          memory/1988-197-0x00000000043A0000-0x000000000440C000-memory.dmp

          memory/1988-201-0x0000000004330000-0x0000000004371000-memory.dmp

          memory/1988-203-0x00000000046A0000-0x0000000004776000-memory.dmp

          memory/1988-178-0x0000000004130000-0x0000000004180000-memory.dmp

          memory/1988-199-0x00000000044B0000-0x0000000004542000-memory.dmp

          memory/2312-39-0x0000000003A60000-0x0000000003A6C000-memory.dmp

          memory/2312-35-0x0000000003A20000-0x0000000003A4E000-memory.dmp

          memory/2312-47-0x0000000005DD0000-0x0000000005F80000-memory.dmp

          memory/2312-43-0x0000000005B20000-0x0000000005BB4000-memory.dmp

          memory/4332-8-0x0000000006C40000-0x00000000071FA000-memory.dmp

          memory/4332-10-0x00000000743D0000-0x0000000074B8C000-memory.dmp

          memory/4332-6-0x00000000064D0000-0x0000000006680000-memory.dmp

          memory/4332-0-0x00000000743E2000-0x00000000743E3000-memory.dmp

          memory/4332-7-0x00000000743D0000-0x0000000074B8C000-memory.dmp

          memory/4332-5-0x0000000003CA0000-0x0000000003CC8000-memory.dmp

          memory/4332-4-0x00000000743D0000-0x0000000074B8C000-memory.dmp

          memory/4332-3-0x0000000006350000-0x00000000063E4000-memory.dmp

          memory/4332-2-0x0000000003BE0000-0x0000000003BEC000-memory.dmp

          memory/4332-9-0x00000000743D0000-0x0000000074B8C000-memory.dmp

          memory/4332-1-0x0000000002310000-0x0000000002318000-memory.dmp

          memory/4332-13-0x00000000743D0000-0x0000000074B8C000-memory.dmp

          memory/4644-223-0x0000000002A30000-0x0000000002A9C000-memory.dmp

          memory/4644-225-0x000000001BC00000-0x000000001BDB0000-memory.dmp

          memory/4644-224-0x000000001B9B0000-0x000000001BA44000-memory.dmp

          memory/4644-226-0x0000000002990000-0x00000000029AA000-memory.dmp

          memory/4644-227-0x000000001BF40000-0x000000001C0C8000-memory.dmp

          memory/4644-221-0x00000000008C0000-0x000000000096E000-memory.dmp

          memory/5132-242-0x000000001CC00000-0x000000001CCF0000-memory.dmp

          memory/6076-77-0x0000000003F40000-0x0000000003F68000-memory.dmp