Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 09:28

General

  • Target
    ScreenConnect.ClientSetup_2.exe
  • Size 19.8MB
  • Sample261001-lflfaagf27
  • SHA256 0f223dda258116b23a3f856b76c346f75d24ffde2dba7598110b80f262587288
  • 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 47 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_2.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup_2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5336
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\78fe14f618e05024\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup_2.exe"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:4648
  • 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:2776
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 94DE55D3DA69743077A6B4CA05360934 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:6028
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSICE62.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240766703 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1956
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID539.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240768437 10 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:3228
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIDB26.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240770078 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4668
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1256
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E3085E92CDC3291D65763806691B27E8
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3180
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E76042350AC0EEAC0B68DDAA32A0B673 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1380
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4904
    • C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-v2e3e2-relay.screenconnect.com&p=443&s=76a757fd-f977-420b-a977-a23d592dc9b0&k=BgIAAACkAABSU0ExAAgAAAEAAQBFFfDpT9u%2fWVBbuF5ist1gfir9eLs2HSz6u6xSz%2f%2fKdCmyAWL5fUsw%2b8EdqA5Ol9djvrASEhcTtA3oCRuDWxiA3Ja8dmDv6DxQid7XhZuV3a0CSlXiliqcnr9oZOR2rkaxQLX3nHo3XM8ir1484m3Un26eXFRuirdnZV43OVFOQAigsvqJx8yoXFNeMRWLao5Q%2fEXHw9a25wd6HxDbhL99hkU7lxfXw9Nu6NahDddkJMb88pCA6rhALyOymvRS16JZrGaAgaTG%2bJtYkHnLSiPze9z9quCZuvgMWrXjUFOQ6613W4%2b6RAXGYQvYBrCePxEG7iAzisd%2bAeUCzIpOxU%2fd"
      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:1180
      • C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.WindowsClient.exe" "RunRole" "7258cf97-2923-426e-9423-4070171f0142" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2164
      • C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.WindowsClient.exe" "RunRole" "5fcd9334-5065-4c18-bbd2-34bea1a9fadf" "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:4880

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5a2f21.rbs

          • Path C:\Config.Msi\e5a2f21.rbs
          • Size 214KB
          • SHA256 56aa5025b6e125607dbf11f9b97e7d8f75bd69714b9809718a7635507b046307
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.Client.dll
          • Size 615KB
          • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.ClientService.dll
          • Size 176KB
          • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.Windows.dll
          • Size 1.9MB
          • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.WindowsClient.exe
          • Size 1.6MB
          • SHA256 b7a495f517b9bf23f529552b145121f922ab4915e24b663ae68b3007daea3804
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (78fe14f618e05024)\system.config
          • Size 962B
          • SHA256 64c6846413e663dc5813bc01e04f7ce3639a90bfb5fef3aaebb3b769b41c698c
          • MD5 SHA1 SHA512 TLSH

          MSICE62.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSICE62.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSICE62.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSICE62.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSICE62.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSICE62.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSID539.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSID539.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 390KB
          • SHA256 c469358d585fa9f1637a02d194e162e454d90b8dc7e4939f88b36e09b04a7a96
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.6.6.9747\78fe14f618e05024\ScreenConnect.ClientSetup.msi
          • Size 16.2MB
          • SHA256 28fce3cc573132b24a6633e7901e992b275cca91715a88406849feb98d5516dc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI379D.tmp

          • Path C:\Windows\Installer\MSI379D.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          iwjrxm23.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (78fe14f618e05024)\iwjrxm23.newcfg
          • Size 683B
          • SHA256 633a8787afa609a34006a8a318a353f9c7e0c2d9223e9f5c0eafafbf29944333
          • MD5 SHA1 SHA512 TLSH

          jyzenrgx.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (78fe14f618e05024)\jyzenrgx.newcfg
          • Size 883B
          • SHA256 a2427c565246ccf3a51b45f263f54b130f6d8fd18fe6c9ec6d123fe112f036c8
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (78fe14f618e05024)\user.config
          • Size 520B
          • SHA256 e19cc821fe08ec39c128df882b4f604a0718dcf0d603cbd73408a2df8b8717e6
          • MD5 SHA1 SHA512 TLSH

          memory/1180-176-0x0000000004940000-0x0000000004990000-memory.dmp

          memory/1180-199-0x0000000004EE0000-0x0000000004FB6000-memory.dmp

          memory/1180-153-0x00000000044F0000-0x0000000004520000-memory.dmp

          memory/1180-197-0x0000000004990000-0x00000000049D1000-memory.dmp

          memory/1180-159-0x0000000004690000-0x00000000047EA000-memory.dmp

          memory/1180-195-0x0000000004C50000-0x0000000004CEE000-memory.dmp

          memory/1180-163-0x00000000049D0000-0x0000000004BB0000-memory.dmp

          memory/1956-42-0x0000000005690000-0x00000000057EA000-memory.dmp

          memory/1956-46-0x00000000059D0000-0x0000000005BB0000-memory.dmp

          memory/1956-34-0x00000000053B0000-0x00000000053DE000-memory.dmp

          memory/1956-38-0x00000000053F0000-0x00000000053FC000-memory.dmp

          memory/2164-223-0x0000000003280000-0x00000000032B0000-memory.dmp

          memory/2164-221-0x000000001C4E0000-0x000000001C6C0000-memory.dmp

          memory/2164-220-0x000000001C1A0000-0x000000001C2FA000-memory.dmp

          memory/2164-219-0x000000001BCA0000-0x000000001BD3E000-memory.dmp

          memory/2164-222-0x000000001C6C0000-0x000000001C848000-memory.dmp

          memory/2164-218-0x0000000000E10000-0x0000000000FA6000-memory.dmp

          memory/2164-224-0x0000000001820000-0x0000000001861000-memory.dmp

          memory/3228-76-0x00000000057F0000-0x0000000005858000-memory.dmp

          memory/5336-9-0x0000000074B30000-0x00000000752EC000-memory.dmp

          memory/5336-4-0x0000000074B30000-0x00000000752EC000-memory.dmp

          memory/5336-3-0x0000000006450000-0x00000000065AA000-memory.dmp

          memory/5336-7-0x0000000074B30000-0x00000000752EC000-memory.dmp

          memory/5336-2-0x0000000003D10000-0x0000000003D1C000-memory.dmp

          memory/5336-1-0x0000000003CF0000-0x0000000003CF8000-memory.dmp

          memory/5336-6-0x00000000065B0000-0x0000000006790000-memory.dmp

          memory/5336-8-0x0000000006D50000-0x000000000730A000-memory.dmp

          memory/5336-0-0x0000000074B42000-0x0000000074B43000-memory.dmp

          memory/5336-10-0x0000000006830000-0x00000000068C2000-memory.dmp

          memory/5336-5-0x00000000062F0000-0x0000000006358000-memory.dmp

          memory/5336-11-0x0000000074B30000-0x00000000752EC000-memory.dmp

          memory/5336-13-0x0000000074B30000-0x00000000752EC000-memory.dmp