Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/11/2026, 00:18

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample261113-al4chax18q
  • SHA256 a0d4b15760cdd31d3036257fcaaaea8b17ec6a7e63e57f45f59f8817e30b9143
  • 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).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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:3368
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.7.6.9783\15aed4a157ff89a0\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:2204
  • 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:4520
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 52CE3D128185BA23B2240FAC9D426125 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3364
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI48B7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240732640 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1268
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4D8B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240733625 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:3764
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI56A4.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240736078 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4920
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2332
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding FEAB2A3A05FDC0239FB9B3CEA6FE4D08
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4404
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4F9804AA08FB2FA2C60B49B9F27B21D5 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5668
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4956
    • C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-r0c0tk-relay.screenconnect.com&p=443&s=7618708c-9909-430b-9278-dcc687357091&k=BgIAAACkAABSU0ExAAgAAAEAAQBlx9bauq0JBFfTXB251AuXaiGLilfKfTiNQRdpMzOOApLh%2bHsMCAXXcRxVfCm821laTNmzJsM02REPWp23v48KWKkR7Cy0pSKJoT9uDvE%2b2tYnVsh2wtiZIJp8cw3orjXRQA5vw8%2fVAd4I2ouPvpdm1KhHfeIMwq17wy5E7wyX8xVceY%2fiEiJnJ%2bIGjulHylr15DCG95G34%2f%2fi%2bSrA2h6cjRQqsfj%2fqJLiN%2bnPlIm5cv1Msm4QgZMnEMnAmhdu7Ft17%2bGekrBFoTVu%2fhLsOytGxu8Hd0jIbYmnyA%2bWt4sfBsi9q%2fanjTqobvBRgUJImynYW0%2fQjXYMp8EimPLGeWmt&c=FAC-factura-farmacia&c=FAC-factura-farmacia&c=FAC-factura-farmacia&c=FAC-factura-farmacia&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4496
      • C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsClient.exe" "RunRole" "abef4e19-4467-4958-ab1b-0e7e7c2f9e77" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5792
      • C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsClient.exe" "RunRole" "0fc36be3-7fbd-448a-b9e2-76a6f9dd61ec" "System"
        2⤵
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5924

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59c664.rbs

          • Path C:\Config.Msi\e59c664.rbs
          • Size 214KB
          • SHA256 402cddb9354edcdd08868e03a0353adc84f8a6a0c32569f5f61b003e14063110
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\Client.en-US.resources
          • Size 65KB
          • SHA256 bd8901dd3666277f6d7aa1f4118ad53f5d4229c5d9f67f94e635bf2add3731dd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.Client.dll
          • Size 413KB
          • SHA256 be1e3522a20c244b3e20b4f7bc2fc736b6103c930d6cf8366e0bb97cb82d5241
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 67f75a75bc19288cac0071e19e7af4463f2ecf4bb75fe13af80a4f0f57144253
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 bc19602c59b0ba4a7a99f791c87298df76d8d62f86a928e112dca285a88a5a77
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.Core.dll
          • Size 583KB
          • SHA256 91ae86fd5439c7d8a54b75cbb60c2ff9bdff84657b962d340d48cdf656c4928d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 9ddaf17f7f802e58c645d42184e0ac33dc755a885bc3637a7d837a4f6ae5fdea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsClient.exe
          • Size 689KB
          • SHA256 24671116eab5a97c5d15c4d7b434adff9ad2119db9b487490f4b251f28167069
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 89fd40ccc2e2be1bf140e748212922aa4010a7ef4b0465aca958c9d3417e0bdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\system.config
          • Size 974B
          • SHA256 0040e3aef11b77d73889a3f9547f6a30c8dd2cf3e8329d8a1d7dd03a2befe2b3
          • MD5 SHA1 SHA512 TLSH

          MSI48B7.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI48B7.tmp
          • Size 1.1MB
          • SHA256 d39e53d74c6840d331b91b9c949db26f7c93a824e9fb104c532346a8c465b6e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI48B7.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI48B7.tmp-\ScreenConnect.Core.dll
          • Size 573KB
          • SHA256 399ab0c1bcf2bf0c7618066d676b6958c2a5f4fed2d8f769f0eeea5492720e4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI48B7.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 f35f007dcb154d0346745309630b8cc21fe49638e76dc8dd77a3c62cb0aa754a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI48B7.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 4c281797c351fed77890634006a51bc3a6c60efa4c831fe21934353f304cdf61
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4D8B.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4D8B.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7fcba418fd772a38e420238d49e8301f23caf47eadcef400ecab8738813d9694
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.7.6.9783\15aed4a157ff89a0\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 73f3c372aeed1e85c2d066dd51e42dcf082e18db57886188510b9bccfee88943
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSICE25.tmp

          • Path C:\Windows\Installer\MSICE25.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          b0ceb1oo.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (15aed4a157ff89a0)\b0ceb1oo.newcfg
          • Size 683B
          • SHA256 c1743a704ac4b2d6bd712d603e2909fbb7af2471c9d0f1c80d5d42cc0360c85e
          • MD5 SHA1 SHA512 TLSH

          hounfhir.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (15aed4a157ff89a0)\hounfhir.newcfg
          • Size 884B
          • SHA256 8087d6653233d0d1c80d536a142524f0a9b91dea0e604e7c040ef05c67b14cdc
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (15aed4a157ff89a0)\user.config
          • Size 520B
          • SHA256 436c57dc61060a0e81f10041afb5cbaca3c535ef1323db0e6299888871b9c4cf
          • MD5 SHA1 SHA512 TLSH

          memory/1268-45-0x0000000005710000-0x00000000058C0000-memory.dmp

          memory/1268-41-0x00000000054C0000-0x0000000005556000-memory.dmp

          memory/1268-33-0x00000000033B0000-0x00000000033DE000-memory.dmp

          memory/1268-37-0x00000000033F0000-0x00000000033FC000-memory.dmp

          memory/3368-0-0x0000000074702000-0x0000000074703000-memory.dmp

          memory/3368-6-0x00000000746F0000-0x0000000074EAC000-memory.dmp

          memory/3368-11-0x00000000746F0000-0x0000000074EAC000-memory.dmp

          memory/3368-1-0x0000000001D70000-0x0000000001D78000-memory.dmp

          memory/3368-9-0x00000000746F0000-0x0000000074EAC000-memory.dmp

          memory/3368-8-0x0000000006890000-0x0000000006E4A000-memory.dmp

          memory/3368-2-0x0000000002130000-0x000000000213C000-memory.dmp

          memory/3368-13-0x00000000746F0000-0x0000000074EAC000-memory.dmp

          memory/3368-5-0x0000000002360000-0x0000000002388000-memory.dmp

          memory/3368-3-0x00000000746F0000-0x0000000074EAC000-memory.dmp

          memory/3368-7-0x0000000006120000-0x00000000062D0000-memory.dmp

          memory/3368-4-0x0000000006000000-0x0000000006096000-memory.dmp

          memory/3764-75-0x0000000005860000-0x0000000005888000-memory.dmp

          memory/4496-195-0x0000000004E80000-0x0000000004F12000-memory.dmp

          memory/4496-197-0x0000000004910000-0x0000000004951000-memory.dmp

          memory/4496-158-0x0000000004970000-0x0000000004A06000-memory.dmp

          memory/4496-199-0x0000000005070000-0x0000000005146000-memory.dmp

          memory/4496-194-0x0000000004D70000-0x0000000004DDC000-memory.dmp

          memory/4496-152-0x0000000002260000-0x000000000227A000-memory.dmp

          memory/4496-175-0x0000000004B10000-0x0000000004B60000-memory.dmp

          memory/4496-162-0x0000000004BC0000-0x0000000004D70000-memory.dmp

          memory/4520-228-0x00000241CB340000-0x00000241CBCE4000-memory.dmp

          memory/5792-218-0x0000000002560000-0x00000000025CC000-memory.dmp

          memory/5792-221-0x000000001B4A0000-0x000000001B536000-memory.dmp

          memory/5792-222-0x000000001B6F0000-0x000000001B8A0000-memory.dmp

          memory/5792-223-0x0000000002500000-0x000000000251A000-memory.dmp

          memory/5792-224-0x000000001BA30000-0x000000001BBB8000-memory.dmp

          memory/5792-225-0x00000000026F0000-0x0000000002731000-memory.dmp

          memory/5792-217-0x0000000000430000-0x00000000004E0000-memory.dmp

          memory/5924-227-0x000000001AFF0000-0x000000001B031000-memory.dmp