Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 4 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 10 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 13 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 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
    PID:4152
  • 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 WriteProcessMemory
    PID:3844
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 9069AFC736F857EFE60976CD45C6177C C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIBBE8.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240696468 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3804
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIBF93.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240697234 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4024
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC36C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240698218 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1680
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2780
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding FCA1C45DDD646DEF9ADD64F0D9365C47
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1972
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding CED435A1FD55F1A10AF8802FC78CAA02 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:3152
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3812
    • 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=c072c110-7224-4340-9c31-eb4cd27daf3b&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:3872
      • C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsClient.exe" "RunRole" "0c5f94e8-3ae4-4884-b818-1932859afa8a" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1072
      • C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (8cd2c5f82771fd1a)\ScreenConnect.WindowsClient.exe" "RunRole" "fa9ce5a9-3d24-4b24-867c-5e4ecf7d25ba" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4860

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e590cd8.rbs

          • Path C:\Config.Msi\e590cd8.rbs
          • Size 214KB
          • SHA256 f33e65df842deeb6324ff15353e3ec60f5eaa0ef4b826580611358bf2b983132
          • 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.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

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 5058773cddb22de0a8cb71e9fc1235399cc343d22be12dbb1eeea65583d01262
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 6d2d75d1a6eb0fe58611d3cc961aa193da86ee077c98ba511db3c8316ad5d35e
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 86fee574d9b4ba96b9ec91bfed90bcf2ff179871ff9ad572495ea643b8b349ea
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 63bd8e9c780d98cfe24b173dc902030f6dc7d5641a1b58cd5fb3b40d65560cdd
          • MD5 SHA1 SHA512 TLSH

          rundll32.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rundll32.exe.log
          • Size 746B
          • SHA256 ddebb6b1094dbef9e96754a74ebd4761d857864c9bd0b5f20a97259a6d7c8fe0
          • MD5 SHA1 SHA512 TLSH

          MSIBBE8.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBBE8.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBBE8.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBBE8.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBBE8.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBBE8.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBF93.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBF93.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIFA7.tmp

          • Path C:\Windows\Installer\MSIFA7.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e590cd7.msi

          • Path C:\Windows\Installer\e590cd7.msi
          • Size 9.8MB
          • SHA256 453b69743065d01f530ee95b04da99382a3290087457f3a4d594d89be9a2976a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          am4r3skm.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8cd2c5f82771fd1a)\am4r3skm.newcfg
          • Size 883B
          • SHA256 eed8329b1572f58bab60c6ebcae901cc03f298374ec7b0f3c279baa123a18d01
          • MD5 SHA1 SHA512 TLSH

          jg5dqzyk.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (8cd2c5f82771fd1a)\jg5dqzyk.newcfg
          • Size 683B
          • SHA256 5e0c6b1c2d231bed0c4a4cf5fe45e8103ccdd79a4bbc4c9ea52ccdca9427fb66
          • 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

          memory/1072-215-0x0000000000D20000-0x0000000000DCE000-memory.dmp

          memory/1072-217-0x000000001BD80000-0x000000001BE14000-memory.dmp

          memory/1072-219-0x0000000002F30000-0x0000000002F4A000-memory.dmp

          memory/1072-216-0x000000001B8F0000-0x000000001B95C000-memory.dmp

          memory/1072-221-0x000000001CF90000-0x000000001D116000-memory.dmp

          memory/1072-218-0x000000001BFD0000-0x000000001C180000-memory.dmp

          memory/3804-38-0x0000000005B80000-0x0000000006124000-memory.dmp

          memory/3804-37-0x0000000005420000-0x00000000055D0000-memory.dmp

          memory/3804-33-0x00000000051D0000-0x0000000005264000-memory.dmp

          memory/3804-29-0x0000000005120000-0x000000000512C000-memory.dmp

          memory/3804-25-0x00000000050D0000-0x00000000050FE000-memory.dmp

          memory/3872-198-0x00000000045A0000-0x0000000004676000-memory.dmp

          memory/3872-196-0x0000000003FC0000-0x0000000004001000-memory.dmp

          memory/3872-194-0x00000000043C0000-0x0000000004452000-memory.dmp

          memory/3872-193-0x00000000040D0000-0x000000000413C000-memory.dmp

          memory/3872-174-0x0000000004010000-0x0000000004060000-memory.dmp

          memory/3872-151-0x0000000003C90000-0x0000000003CAA000-memory.dmp

          memory/3872-157-0x0000000003F20000-0x0000000003FB4000-memory.dmp

          memory/3872-161-0x0000000004170000-0x0000000004320000-memory.dmp

          memory/4024-70-0x00000000051E0000-0x0000000005208000-memory.dmp