Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/10/2026, 23:13

General

  • Target
    c01ee8de0b16fd7e5ce9427f07950a33f62dc945062fa47480a8d6af102be3f4.msi
  • Size 16.2MB
  • Sample261018-27wnbsty7k
  • SHA256 c01ee8de0b16fd7e5ce9427f07950a33f62dc945062fa47480a8d6af102be3f4
  • 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.

  • 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
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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 7 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 9 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\c01ee8de0b16fd7e5ce9427f07950a33f62dc945062fa47480a8d6af102be3f4.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:6072
  • 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:5776
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D1435DD28522A53AE9C3AA0A2636749B C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5856
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8A64.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240749406 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:8
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI913B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240751328 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:1048
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9AD1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240753484 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4612
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:6008
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7FB7E152205CD30BBE3F452E6BD970FA
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3344
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6A74696333D5E145CD359617470D7CD6 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2132
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3196
    • C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-do1ib8-relay.screenconnect.com&p=443&s=cf228735-0280-4e48-92f9-eb62cd037093&k=BgIAAACkAABSU0ExAAgAAAEAAQCx4aVXy6HpS13Glk4BSQQyyJIfCTQj%2b6gtHOMGNR3Jyq1qwPUCdex0z51TseH6lOlqmAcfc6eAm6ZEpFAWFjz6W%2fcxqtw4o3OyhbhEXkUTjYBQPanIXpgWS9FNcbqOc8KghuBg77BcSrqxW1UF9seVv8fqUGscihoAzgFclx%2fyhjMNqZOslZErJdmVJmriYG45SgbsKFUWreTyWldokNw87ECaZ2GraK0RS98W9w8HJXw%2bSLbQ%2f7AQVrOTWoCACeZm8YoSJCFuSmrG9DVOsONC7qSbnlJZXC9c9UXyuqVuq4zotMRBZGrS3hdGG%2f6oyrr1RcXGaqa%2bMCZgL9Aq6IzH&c=fresh&c=&c=&c=&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:1128
      • C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.WindowsClient.exe" "RunRole" "67b0d1dc-445f-494e-a74f-493659518886" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5432
      • C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.WindowsClient.exe" "RunRole" "88c30e5a-b6c2-45e8-9f74-5911ec9cfcae" "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:2812

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59eb22.rbs

          • Path C:\Config.Msi\e59eb22.rbs
          • Size 214KB
          • SHA256 844f1b9d2d90dee3a65d43117277041f28818ae717bbb989be76e20136bb0441
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.Client.dll
          • Size 615KB
          • SHA256 787a02b1938e8c1ce52448b8779d2c9c47029664f97185177c2584e8f980abc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.ClientService.dll
          • Size 176KB
          • SHA256 579fa008b8c96612163fd8a89a978140a652b3739867772df0711fca148705aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 d887f20ec383d7ce3a5727856bf7fa68ceb972108b6d0a5dd9924707e820dc24
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 5b2d14e237485c0164d865d8a94f8a8bed28ab0db52c6a7ef99f7ebb9648d324
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.Windows.dll
          • Size 1.9MB
          • SHA256 88dd22f6f0ca70d10c64ca919b0d8b6d73e84c1d567d4b8d15b6e9a9b60d6d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.WindowsClient.exe
          • Size 1.6MB
          • SHA256 b7a495f517b9bf23f529552b145121f922ab4915e24b663ae68b3007daea3804
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 239377f4d2345d2a4ff6e3cbebd83c6edb06db4daea389159d19770a2dfcb80c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (711696c3fad16343)\system.config
          • Size 958B
          • SHA256 2a899c4b4592a33db12b0fb67bf53702140794076694049f68ad2c3bb5911d5b
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 e8d464780d56092c4133ea897fbfe8b3c3e499763fc7e074d4b403faf435e4f5
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 790d5fa7e20c8c35e915be97a27294bef31454be8de8a2da4d622dfb5b152c35
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 63562888cd82a1fd4f3a096b3605c4c56dece2a3cb10b904eb70e5c162f391c1
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 6b1aa0fab117920aa74af1be5c15fdf83da87bc6211f2f7c4dc08d7d6c2cf0d3
          • MD5 SHA1 SHA512 TLSH

          MSI8A64.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8A64.tmp
          • Size 1.9MB
          • SHA256 1dabfa60015c186a4315f16d46d9e53435dc259c52843e73dac0d04be92f9a84
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8A64.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8A64.tmp-\ScreenConnect.Core.dll
          • Size 1.3MB
          • SHA256 e5fd82d18c2dcaadbfc4b72b56573e819cc3e8ee6406f2edb982cc073dc607bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8A64.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 cf8505204b1458dac9cb3002fd5bbd5fac43c5b4702aa0153fb4b9a2cfcf954a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8A64.tmp-\ScreenConnect.Windows.dll
          • Size 1.8MB
          • SHA256 ed1b4eb6c24c85392f692bf5863d9ccb76575051bb605360961b9d7624a371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI913B.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI913B.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 390KB
          • SHA256 c469358d585fa9f1637a02d194e162e454d90b8dc7e4939f88b36e09b04a7a96
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIF0D0.tmp

          • Path C:\Windows\Installer\MSIF0D0.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59eb23.msi

          • Path C:\Windows\Installer\e59eb23.msi
          • Size 16.2MB
          • SHA256 c01ee8de0b16fd7e5ce9427f07950a33f62dc945062fa47480a8d6af102be3f4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          kyytfodg.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (711696c3fad16343)\kyytfodg.newcfg
          • Size 683B
          • SHA256 4dd7a7bc2dd058c3a9913acc24cb86c7ba65c49e96abaf8b86386e93c4219bfb
          • MD5 SHA1 SHA512 TLSH

          qe3mljvx.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (711696c3fad16343)\qe3mljvx.newcfg
          • Size 884B
          • SHA256 e0476845c7ac7b2d74225dc203ab1044eed673855e6016a785dd114d72840fae
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (711696c3fad16343)\user.config
          • Size 520B
          • SHA256 87f5016dd17d1be4af544bc927198c1d323d49e2373e586350cb2323cc1a3640
          • MD5 SHA1 SHA512 TLSH

          memory/8-35-0x00000000057C0000-0x000000000591A000-memory.dmp

          memory/8-27-0x00000000035F0000-0x000000000361E000-memory.dmp

          memory/8-31-0x0000000003620000-0x000000000362C000-memory.dmp

          memory/8-39-0x0000000005B00000-0x0000000005CE0000-memory.dmp

          memory/8-40-0x00000000062A0000-0x000000000685A000-memory.dmp

          memory/1048-70-0x0000000005A80000-0x0000000005AE8000-memory.dmp

          memory/1128-196-0x0000000004D80000-0x0000000004E1E000-memory.dmp

          memory/1128-175-0x0000000004A20000-0x0000000004A70000-memory.dmp

          memory/1128-198-0x0000000004770000-0x00000000047B1000-memory.dmp

          memory/1128-200-0x0000000005010000-0x00000000050E6000-memory.dmp

          memory/1128-162-0x0000000004B00000-0x0000000004CE0000-memory.dmp

          memory/1128-158-0x00000000047C0000-0x000000000491A000-memory.dmp

          memory/1128-152-0x00000000021A0000-0x00000000021D0000-memory.dmp

          memory/4612-107-0x00000000060A0000-0x0000000006132000-memory.dmp

          memory/5432-219-0x00000000003D0000-0x0000000000566000-memory.dmp

          memory/5432-220-0x000000001B2D0000-0x000000001B36E000-memory.dmp

          memory/5432-221-0x000000001B7D0000-0x000000001B92A000-memory.dmp

          memory/5432-222-0x000000001BB10000-0x000000001BCF0000-memory.dmp

          memory/5432-223-0x000000001BCF0000-0x000000001BE78000-memory.dmp

          memory/5432-224-0x0000000002650000-0x0000000002680000-memory.dmp