Analysis

  • max time kernel
    149s
  • max time network
    153s
  • 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, 00:18

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample261113-al4chax18q
  • SHA256 a0d4b15760cdd31d3036257fcaaaea8b17ec6a7e63e57f45f59f8817e30b9143
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 9 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 10 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.7.6.9783\15aed4a157ff89a0\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:3788
  • 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:4464
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 98F1F7794C749D7B5C22B6CE2431AF07 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3504
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE02A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240705765 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1112
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE2F9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240706312 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:1468
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE859.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240707718 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1176
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1072
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 05036EED9C6C5BA2DB70D21E143ABA30
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1460
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding EEC3C37B588890D2F254EF5CE0ED1A91 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1888
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4764
    • C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-r0c0tk-relay.screenconnect.com&p=443&s=329d2166-c68d-4468-832d-c2dd626a7df9&k=BgIAAACkAABSU0ExAAgAAAEAAQBlx9bauq0JBFfTXB251AuXaiGLilfKfTiNQRdpMzOOApLh%2bHsMCAXXcRxVfCm821laTNmzJsM02REPWp23v48KWKkR7Cy0pSKJoT9uDvE%2b2tYnVsh2wtiZIJp8cw3orjXRQA5vw8%2fVAd4I2ouPvpdm1KhHfeIMwq17wy5E7wyX8xVceY%2fiEiJnJ%2bIGjulHylr15DCG95G34%2f%2fi%2bSrA2h6cjRQqsfj%2fqJLiN%2bnPlIm5cv1Msm4QgZMnEMnAmhdu7Ft17%2bGekrBFoTVu%2fhLsOytGxu8Hd0jIbYmnyA%2bWt4sfBsi9q%2fanjTqobvBRgUJImynYW0%2fQjXYMp8EimPLGeWmt&c=FAC-factura-farmacia&c=FAC-factura-farmacia&c=FAC-factura-farmacia&c=FAC-factura-farmacia&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:2296
      • C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsClient.exe" "RunRole" "43a7bb69-9f92-4f91-9856-fbb0fac5e13d" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:116
      • C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsClient.exe" "RunRole" "288db340-5e0a-4272-83f9-0a88e0d96fbb" "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:2300

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59339a.rbs

          • Path C:\Config.Msi\e59339a.rbs
          • Size 214KB
          • SHA256 860a1cb96e708380a88af55b105f018e7f7b778b9ba2b91a3634c58fc4dbd3c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\Client.en-US.resources
          • Size 65KB
          • SHA256 bd8901dd3666277f6d7aa1f4118ad53f5d4229c5d9f67f94e635bf2add3731dd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.Client.dll
          • Size 413KB
          • SHA256 be1e3522a20c244b3e20b4f7bc2fc736b6103c930d6cf8366e0bb97cb82d5241
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 67f75a75bc19288cac0071e19e7af4463f2ecf4bb75fe13af80a4f0f57144253
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 bc19602c59b0ba4a7a99f791c87298df76d8d62f86a928e112dca285a88a5a77
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.Core.dll
          • Size 583KB
          • SHA256 91ae86fd5439c7d8a54b75cbb60c2ff9bdff84657b962d340d48cdf656c4928d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 9ddaf17f7f802e58c645d42184e0ac33dc755a885bc3637a7d837a4f6ae5fdea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 89fd40ccc2e2be1bf140e748212922aa4010a7ef4b0465aca958c9d3417e0bdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (15aed4a157ff89a0)\system.config
          • Size 974B
          • SHA256 0040e3aef11b77d73889a3f9547f6a30c8dd2cf3e8329d8a1d7dd03a2befe2b3
          • 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 3635bf1ecf3f0043e5a1a503a4fa829f61268e8730056ac376928142c005b7a2
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 4e1c1e722ab340583f865849ed918c6e9f8611570039940c085a74526ee35126
          • 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

          MSIE02A.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE02A.tmp
          • Size 1.1MB
          • SHA256 d39e53d74c6840d331b91b9c949db26f7c93a824e9fb104c532346a8c465b6e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE02A.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE02A.tmp-\ScreenConnect.Core.dll
          • Size 573KB
          • SHA256 399ab0c1bcf2bf0c7618066d676b6958c2a5f4fed2d8f769f0eeea5492720e4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE02A.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 f35f007dcb154d0346745309630b8cc21fe49638e76dc8dd77a3c62cb0aa754a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE02A.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 4c281797c351fed77890634006a51bc3a6c60efa4c831fe21934353f304cdf61
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE2F9.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE2F9.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7fcba418fd772a38e420238d49e8301f23caf47eadcef400ecab8738813d9694
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.7.6.9783\15aed4a157ff89a0\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 73f3c372aeed1e85c2d066dd51e42dcf082e18db57886188510b9bccfee88943
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI358E.tmp

          • Path C:\Windows\Installer\MSI358E.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          avw4rlzr.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (15aed4a157ff89a0)\avw4rlzr.newcfg
          • Size 683B
          • SHA256 c1743a704ac4b2d6bd712d603e2909fbb7af2471c9d0f1c80d5d42cc0360c85e
          • MD5 SHA1 SHA512 TLSH

          br2c1pvs.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (15aed4a157ff89a0)\br2c1pvs.newcfg
          • Size 884B
          • SHA256 1b4afca5fa0810ee4c541af84f91807ad3788652ba9f2634804a3bae6d3fef90
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (15aed4a157ff89a0)\user.config
          • Size 520B
          • SHA256 436c57dc61060a0e81f10041afb5cbaca3c535ef1323db0e6299888871b9c4cf
          • MD5 SHA1 SHA512 TLSH

          memory/116-234-0x000000001B770000-0x000000001B806000-memory.dmp

          memory/116-235-0x000000001B9C0000-0x000000001BB70000-memory.dmp

          memory/116-236-0x0000000002760000-0x000000000277A000-memory.dmp

          memory/116-233-0x00000000028D0000-0x000000000293C000-memory.dmp

          memory/116-237-0x000000001BF00000-0x000000001C086000-memory.dmp

          memory/116-232-0x0000000000750000-0x0000000000800000-memory.dmp

          memory/116-238-0x0000000002780000-0x00000000027C1000-memory.dmp

          memory/1112-40-0x0000000002A50000-0x0000000002A7E000-memory.dmp

          memory/1112-44-0x0000000002A90000-0x0000000002A9C000-memory.dmp

          memory/1112-48-0x0000000004EC0000-0x0000000004F56000-memory.dmp

          memory/1112-52-0x0000000005110000-0x00000000052C0000-memory.dmp

          memory/1468-84-0x0000000002CC0000-0x0000000002CE8000-memory.dmp

          memory/2296-200-0x00000000044D0000-0x000000000453C000-memory.dmp

          memory/2296-210-0x0000000004810000-0x00000000048A2000-memory.dmp

          memory/2296-165-0x0000000001660000-0x000000000167A000-memory.dmp

          memory/2296-214-0x00000000049F0000-0x0000000004AC6000-memory.dmp

          memory/2296-171-0x0000000004370000-0x0000000004406000-memory.dmp

          memory/2296-212-0x0000000004460000-0x00000000044A1000-memory.dmp

          memory/2296-177-0x0000000004410000-0x0000000004460000-memory.dmp

          memory/2296-175-0x00000000045C0000-0x0000000004770000-memory.dmp

          memory/2388-9-0x0000000001FC0000-0x0000000001FD0000-memory.dmp

          memory/2388-0-0x0000000001FC0000-0x0000000001FD0000-memory.dmp

          memory/2388-8-0x0000000006A10000-0x0000000006FB4000-memory.dmp

          memory/2388-7-0x00000000062B0000-0x0000000006460000-memory.dmp

          memory/2388-6-0x0000000003D30000-0x0000000003D58000-memory.dmp

          memory/2388-5-0x0000000006220000-0x00000000062B6000-memory.dmp

          memory/2388-4-0x0000000002330000-0x000000000233C000-memory.dmp

          memory/2388-2-0x0000000001FC0000-0x0000000001FD0000-memory.dmp

          memory/2388-3-0x0000000001FC0000-0x0000000001FD0000-memory.dmp

          memory/2388-1-0x0000000002310000-0x0000000002318000-memory.dmp