Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

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

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample260723-ppynrayerd
  • SHA256 453b69743065d01f530ee95b04da99382a3290087457f3a4d594d89be9a2976a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 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.

  • 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 42 IoCs
  • 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
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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\ScreenConnect.ClientSetup.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:2716
  • 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:2840
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 9C0A5D92A403771ECB7090512293D063 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:852
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2DAD.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240725750 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2696
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3407.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240727078 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4140
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3C55.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240729421 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5856
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5420
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5442FC0E3183D2D442B5562ED915587E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4244
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 11A88318C976ABACFD934A074A75B348 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4640
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1888
    • C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-wsylqs-relay.screenconnect.com&p=443&s=e7ee7fa1-4146-4927-bbbf-45f9d38a60da&k=BgIAAACkAABSU0ExAAgAAAEAAQAlcD8gD7Q%2b2jNrEDvakcy5Q%2fPXNkzGn87an3NZSI8zzsUY5Yo2owiWTaklC4f7FLdGMUsZa3XIptVxLc4kHRBHMz9BnA8R%2bzmnjig%2bPwALoKDiw1abPpU63vjsiMMh0cI3fDeSGstYy3W1q3otRW4C3hE3ltp9hsVehbJvEw4kJEiB%2b%2bRl4ANQx3uZEuMwbh99hp64SX5cK6yZFGNJbdOm79alATvluDpLtAWdnXfUQK0fjwsOLZ7jF95Lu7iRIMP4dZcTCh3HB4NTh0aaDWTwZmnTwPLL4YPOt%2ffW2Sj%2fZrrbQZVCsC%2fGoecIzLIxg7yJ49QPaY9dj%2f0%2fT7twwyXW"
      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:6024
      • C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsClient.exe" "RunRole" "bed52040-7ca7-413d-8d30-429ab9ec5855" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4856
      • C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsClient.exe" "RunRole" "0e95d675-1e42-4819-81b1-e9b728393081" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5408

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59934e.rbs

          • Path C:\Config.Msi\e59934e.rbs
          • Size 214KB
          • SHA256 b5229445484b723b337fa82407275ff2ab24065719c4882a278c0b1710aacaae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\system.config
          • Size 966B
          • SHA256 fd7e82d3f9b8e58972a48ec6b442538d2dd32b666d88ef0547068ddc797cd9c5
          • MD5 SHA1 SHA512 TLSH

          MSI2DAD.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2DAD.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2DAD.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2DAD.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2DAD.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2DAD.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3407.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3407.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI9AFF.tmp

          • Path C:\Windows\Installer\MSI9AFF.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59934d.msi

          • Path C:\Windows\Installer\e59934d.msi
          • Size 9.8MB
          • SHA256 453b69743065d01f530ee95b04da99382a3290087457f3a4d594d89be9a2976a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          5gplwy1k.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8cd2c5f82771fd1a)\5gplwy1k.newcfg
          • Size 683B
          • SHA256 5e0c6b1c2d231bed0c4a4cf5fe45e8103ccdd79a4bbc4c9ea52ccdca9427fb66
          • MD5 SHA1 SHA512 TLSH

          beoyuywu.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8cd2c5f82771fd1a)\beoyuywu.newcfg
          • Size 883B
          • SHA256 a3386e10f5fa8827e528e42eddae6cb824a6addcca6f38d6f61c856d908ee593
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8cd2c5f82771fd1a)\user.config
          • Size 520B
          • SHA256 fc27b6fbe61d93702f77c7d991a5c2f93b917b2eac102cf7d0d923f673e23146
          • MD5 SHA1 SHA512 TLSH

          {b0200801-ab34-40bf-bd8b-86f1a741434f}_OnDiskSnapshotProp

          • Path \??\Volume{c61f8367-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{b0200801-ab34-40bf-bd8b-86f1a741434f}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 117516df7f25fc147208ab6ff12b1ce3d6341fefd5291ab774698a7ed95b5e2b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2696-21-0x0000000005890000-0x00000000058BE000-memory.dmp

          memory/2696-25-0x00000000058D0000-0x00000000058DC000-memory.dmp

          memory/2696-29-0x0000000005980000-0x0000000005A14000-memory.dmp

          memory/2696-33-0x0000000005BD0000-0x0000000005D80000-memory.dmp

          memory/2696-34-0x0000000006340000-0x00000000068FA000-memory.dmp

          memory/2840-152-0x000002293E890000-0x000002293F234000-memory.dmp

          memory/4140-64-0x00000000033E0000-0x0000000003408000-memory.dmp

          memory/4856-208-0x000000001B3F0000-0x000000001B45C000-memory.dmp

          memory/4856-207-0x0000000000740000-0x00000000007EE000-memory.dmp

          memory/4856-213-0x000000001BDE0000-0x000000001BF68000-memory.dmp

          memory/4856-212-0x0000000002910000-0x000000000292A000-memory.dmp

          memory/4856-211-0x000000001BAA0000-0x000000001BC50000-memory.dmp

          memory/4856-210-0x000000001B850000-0x000000001B8E4000-memory.dmp

          memory/6024-184-0x0000000004A80000-0x0000000004AEC000-memory.dmp

          memory/6024-165-0x0000000004710000-0x0000000004760000-memory.dmp

          memory/6024-141-0x00000000043C0000-0x00000000043DA000-memory.dmp

          memory/6024-147-0x0000000004510000-0x00000000045A4000-memory.dmp

          memory/6024-189-0x0000000004D80000-0x0000000004E56000-memory.dmp

          memory/6024-185-0x0000000004B90000-0x0000000004C22000-memory.dmp

          memory/6024-187-0x0000000004A10000-0x0000000004A51000-memory.dmp

          memory/6024-151-0x0000000004760000-0x0000000004910000-memory.dmp