Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/11/2026, 00:23

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 9.8MB
  • Sample261113-apylesew4k
  • SHA256 d239568e87157f36104fe99f60c5c72e4257fb672c2c469629573837feee2143
  • 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 10 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 13 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 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:5084
  • 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:3208
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 312C1ED013B6902B6E16F06585C3FD4A C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3732
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240684203 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1848
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI93A1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240686078 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:4340
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9BFF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240688156 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3504
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3152
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E581BF4E33356A72048086B0D4D3A73D
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3736
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1CF490D9DEAC30FCFC2B0EEA96713330 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3496
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2496
    • C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-abb4d1-relay.screenconnect.com&p=443&s=499a3df7-227c-481d-89dd-2108ac17bec5&k=BgIAAACkAABSU0ExAAgAAAEAAQDtxvKElQJmp7YcV1qyAfIWISD5aoi4npkKOBKTyii7iFVbMJSZLYTpR9ebQcO1vvbaDMl23dYvasgKnI8Z6rEvnm0b%2fp9E6%2bgzFSFIxbC%2bwqM2WUwI5v2oJzHkP1jso9iYYhOo9etLCDNqm36zwE5pZEQid4eFwiOqXqMifeMifEERpko8zdcTw%2br839eus2z%2bO5zgcJzkrRJlb2e656KKJjLhiwB%2bWVQnDz0KDPWCISrJT7Nh7ZmbBKxMPJp4SCzkXh15PbuxpPgO4P3IIBMysNpkntSsikw%2bMdPj%2bAgFFHNp1AOqzdjUfq6sI5i6MG3eEhn7OZ8D%2fw8wzraomwji&c=po&c=co&c=yo&c=y&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:4092
      • C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.WindowsClient.exe" "RunRole" "20da190f-15c5-411a-af74-2db8f98c2b2c" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:464
      • C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.WindowsClient.exe" "RunRole" "7b8555d9-7279-42bf-ace6-15a22b0bdd8b" "System"
        2⤵
        • Drops file in System32 directory
        • 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:4740

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58dee3.rbs

          • Path C:\Config.Msi\e58dee3.rbs
          • Size 214KB
          • SHA256 9419443990139b6b9adeb59c8fcae421657b799af0ff2d4b6283745bb90a1edd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\Client.en-US.resources
          • Size 65KB
          • SHA256 bd8901dd3666277f6d7aa1f4118ad53f5d4229c5d9f67f94e635bf2add3731dd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.Client.dll
          • Size 413KB
          • SHA256 be1e3522a20c244b3e20b4f7bc2fc736b6103c930d6cf8366e0bb97cb82d5241
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 67f75a75bc19288cac0071e19e7af4463f2ecf4bb75fe13af80a4f0f57144253
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 bc19602c59b0ba4a7a99f791c87298df76d8d62f86a928e112dca285a88a5a77
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.Core.dll
          • Size 583KB
          • SHA256 91ae86fd5439c7d8a54b75cbb60c2ff9bdff84657b962d340d48cdf656c4928d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 9ddaf17f7f802e58c645d42184e0ac33dc755a885bc3637a7d837a4f6ae5fdea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 89fd40ccc2e2be1bf140e748212922aa4010a7ef4b0465aca958c9d3417e0bdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (225cb0718121ff83)\system.config
          • Size 962B
          • SHA256 6a840d1f1e59044d21acb215aa3d6ef0faeca2c76bd4d7f09472e73c4167d95a
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 1d443d0ff41411d34e39151fe86428efd3856051b84c9c64927afb5a963042d6
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 1e416c31c090fe83a8eae7588a7301d1d9b7f8d1a9878ec5aeb23bf2028a2bbf
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 dcc0134cff82765c716e4a57e62de4b034df682d9944bb72844b1db0db123720
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 264e8b24e662881f58dcb72dfcfd1a6631de22e591fd582695b9dc897923ec9e
          • 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

          MSI8B43.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp
          • Size 1.1MB
          • SHA256 d39e53d74c6840d331b91b9c949db26f7c93a824e9fb104c532346a8c465b6e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp-\ScreenConnect.Core.dll
          • Size 573KB
          • SHA256 399ab0c1bcf2bf0c7618066d676b6958c2a5f4fed2d8f769f0eeea5492720e4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 f35f007dcb154d0346745309630b8cc21fe49638e76dc8dd77a3c62cb0aa754a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 4c281797c351fed77890634006a51bc3a6c60efa4c831fe21934353f304cdf61
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI93A1.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI93A1.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7fcba418fd772a38e420238d49e8301f23caf47eadcef400ecab8738813d9694
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE0D7.tmp

          • Path C:\Windows\Installer\MSIE0D7.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58dee4.msi

          • Path C:\Windows\Installer\e58dee4.msi
          • Size 9.8MB
          • SHA256 d239568e87157f36104fe99f60c5c72e4257fb672c2c469629573837feee2143
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aoivyztd.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (225cb0718121ff83)\aoivyztd.newcfg
          • Size 683B
          • SHA256 f20ddf0d40ccd7b022b2c45c28a87567f3720dc6d4ce8e999bd45d48a37c550e
          • MD5 SHA1 SHA512 TLSH

          rsm5yvgj.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (225cb0718121ff83)\rsm5yvgj.newcfg
          • Size 884B
          • SHA256 19b6d474e6e97d7cd02a3174d643eec70fc41609e60d9cdb3ed4a93513abedae
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (225cb0718121ff83)\user.config
          • Size 520B
          • SHA256 a1b1543f03422e08cdb67acb028047dbb3d21b954a0527487e51f449de00e1c7
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 2c2d2b392d9605d72bac0a79a9f984e8019def99134c765d9f575433ded51228
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {9ac506c7-9229-4ca1-ada2-eb81cec5f7fd}_OnDiskSnapshotProp

          • Path \??\Volume{aef5a47e-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{9ac506c7-9229-4ca1-ada2-eb81cec5f7fd}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 1cde1922db0013228a927474a0dcfc4844e67d06e9a7262315fb1bb85a2fb9a7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/464-222-0x000000001C050000-0x000000001C200000-memory.dmp

          memory/464-220-0x0000000002FB0000-0x000000000301C000-memory.dmp

          memory/464-221-0x000000001BE00000-0x000000001BE96000-memory.dmp

          memory/464-223-0x00000000016B0000-0x00000000016CA000-memory.dmp

          memory/464-219-0x0000000000E50000-0x0000000000F00000-memory.dmp

          memory/464-224-0x000000001D010000-0x000000001D196000-memory.dmp

          memory/1848-40-0x0000000005660000-0x0000000005C04000-memory.dmp

          memory/1848-31-0x0000000004B70000-0x0000000004B7C000-memory.dmp

          memory/1848-39-0x0000000004F00000-0x00000000050B0000-memory.dmp

          memory/1848-35-0x0000000004CB0000-0x0000000004D46000-memory.dmp

          memory/1848-27-0x0000000004B30000-0x0000000004B5E000-memory.dmp

          memory/4092-197-0x0000000003CB0000-0x0000000003D1C000-memory.dmp

          memory/4092-202-0x0000000003FA0000-0x0000000004076000-memory.dmp

          memory/4092-200-0x0000000003C40000-0x0000000003C81000-memory.dmp

          memory/4092-198-0x0000000003DC0000-0x0000000003E52000-memory.dmp

          memory/4092-177-0x0000000003BF0000-0x0000000003C40000-memory.dmp

          memory/4092-165-0x0000000003A40000-0x0000000003BF0000-memory.dmp

          memory/4092-161-0x00000000037F0000-0x0000000003886000-memory.dmp

          memory/4092-155-0x00000000035F0000-0x000000000360A000-memory.dmp

          memory/4340-72-0x0000000003340000-0x0000000003368000-memory.dmp