Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 23:07

General

  • Target
    ScreenConnect.ClientSetup.msi
  • Size 11.8MB
  • Sample261102-24ekmsdx41
  • SHA256 25a24666672b70ca092057f301a4fd3aaaac4fa597de1144f601b8e471aae867
  • 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
  • Drops file in Program Files directory 14 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 32 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:3188
  • 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:5088
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E2017B14000FCB533D85F44ECE50F938 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4840
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI601.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240715468 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4544
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIBA0.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240716703 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:4668
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI148A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240718984 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1636
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2256
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 02469218CF7F03A0743932DEB05E32C6
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2548
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 3ECBB9F73F5ECB8C399FA3FB6D144D38 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:432
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4180
    • C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-f0ixal-relay.screenconnect.com&p=443&s=1c46695b-670b-4cb5-9b61-23ea54542fa8&k=BgIAAACkAABSU0ExAAgAAAEAAQCNqysSFQY4nJGSdJP37Wb4VEFBjiuFoCr1mDSaQdNp1isqpBKSgOQme%2buXsnxElm2mRm3lT65mkqrTjCt5RCzyboql2n%2f%2fuafJqxr751iJMcU%2bn9gwZsGR%2fISDp6oif6ePoS4U2XcyKgGnxc5MYPkILKGjBHnrAJ5j4f0YFuiyAUKS3sVMPIeR0xnDPuhb%2ffNoXnygqzFOX0Nj5DlbPXkktE2be83OchqBU5riEUrl4PE60NbSKeAq1qvqbV5ltkSfg3vbJGDdf1jRQVXhBbP%2bXtgZi7y3WC6Fal2z5ypa4ixHao%2fKIV443tKJO%2b0MrpT4swbT91WnGRKfOKNYV5Ou&c=rise%20support%20team%20a&c=New%20York&c=GAD's%20team&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:4204
      • C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsClient.exe" "RunRole" "0e1c9d72-e23f-4bdb-8515-62441e2e99a5" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1084
      • C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsClient.exe" "RunRole" "2fd5f67d-19c4-4ec7-abb8-64534dfd09ff" "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:2476

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e594e85.rbs

          • Path C:\Config.Msi\e594e85.rbs
          • Size 213KB
          • SHA256 69433793fec716262c564083b181f9fbe68a3d44c1ff7eec95d58c77facf860f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\Client.en-US.resources
          • Size 65KB
          • SHA256 bd8901dd3666277f6d7aa1f4118ad53f5d4229c5d9f67f94e635bf2add3731dd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.Client.dll
          • Size 413KB
          • SHA256 be1e3522a20c244b3e20b4f7bc2fc736b6103c930d6cf8366e0bb97cb82d5241
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 67f75a75bc19288cac0071e19e7af4463f2ecf4bb75fe13af80a4f0f57144253
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 bc19602c59b0ba4a7a99f791c87298df76d8d62f86a928e112dca285a88a5a77
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.Core.dll
          • Size 583KB
          • SHA256 91ae86fd5439c7d8a54b75cbb60c2ff9bdff84657b962d340d48cdf656c4928d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 9ddaf17f7f802e58c645d42184e0ac33dc755a885bc3637a7d837a4f6ae5fdea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\app.config
          • Size 1KB
          • SHA256 10950a9e8edde26cd69de809f2378df8779aef697a3ef3b363ae01f4164c4458
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (74b714285de03b12)\system.config
          • Size 962B
          • SHA256 30aed6161ced637ce89b1d3a4020c1166886423f7e3186ad1128a51a18be30f3
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 32308105d00835c913e0e77ddfda1c4185f680a67e14a04c062a07f67a1b44c6
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 b28be5dc433c00b29a91f956203506c195c2827a3e815c4fc7c28256c7b02fe3
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 7462f608d286283c24a608d57640e3ca07751cd1fe79183f8b7a42f0642e9380
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 f60a14f9cdb434ccf72571d31bcdf12ffb0951f44f9041871d368b9d471bd882
          • 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

          MSI601.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI601.tmp
          • Size 1.1MB
          • SHA256 d39e53d74c6840d331b91b9c949db26f7c93a824e9fb104c532346a8c465b6e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI601.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI601.tmp-\ScreenConnect.Core.dll
          • Size 573KB
          • SHA256 399ab0c1bcf2bf0c7618066d676b6958c2a5f4fed2d8f769f0eeea5492720e4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI601.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 f35f007dcb154d0346745309630b8cc21fe49638e76dc8dd77a3c62cb0aa754a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI601.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 4c281797c351fed77890634006a51bc3a6c60efa4c831fe21934353f304cdf61
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBA0.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBA0.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7fcba418fd772a38e420238d49e8301f23caf47eadcef400ecab8738813d9694
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI50E6.tmp

          • Path C:\Windows\Installer\MSI50E6.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e594e86.msi

          • Path C:\Windows\Installer\e594e86.msi
          • Size 11.8MB
          • SHA256 25a24666672b70ca092057f301a4fd3aaaac4fa597de1144f601b8e471aae867
          • MD5 SHA1 SHA512 SSDEEP TLSH

          5okyr2ua.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (74b714285de03b12)\5okyr2ua.newcfg
          • Size 884B
          • SHA256 459068eaf3ce080fcf2d00e11d054dd848dfcdbcbf7fefb57d3163ca79e8c67a
          • MD5 SHA1 SHA512 TLSH

          k1xiuqbx.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (74b714285de03b12)\k1xiuqbx.newcfg
          • Size 683B
          • SHA256 e310a71bf6a8b3ebecf13ea61b97652adb98d5aca0d90147c66e5aacba2d2a54
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (74b714285de03b12)\user.config
          • Size 520B
          • SHA256 bde9ab7127c42270d58468e7fcd1cb0dc80e6eba0bf8aa12edf38eced5156ec5
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 0fff4583d3c26952c99c48f0f890e0d74e32c3f43762c4da111567111903f321
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {4b7033e7-22d4-4740-b7fe-da83c06f7bce}_OnDiskSnapshotProp

          • Path \??\Volume{aef5a47e-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{4b7033e7-22d4-4740-b7fe-da83c06f7bce}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 c1c49662af773cd6e037ee227dac1661533fed2d1d5db1dc314b427e022a5ccf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1084-221-0x000000001BD60000-0x000000001BF10000-memory.dmp

          memory/1084-220-0x000000001BB10000-0x000000001BBA6000-memory.dmp

          memory/1084-219-0x000000001B6A0000-0x000000001B70C000-memory.dmp

          memory/1084-222-0x0000000002E20000-0x0000000002E3A000-memory.dmp

          memory/1084-223-0x000000001CD20000-0x000000001CEA6000-memory.dmp

          memory/1084-218-0x0000000000AF0000-0x0000000000BA0000-memory.dmp

          memory/4204-196-0x0000000004500000-0x0000000004541000-memory.dmp

          memory/4204-191-0x0000000004610000-0x000000000467C000-memory.dmp

          memory/4204-168-0x0000000004550000-0x00000000045A0000-memory.dmp

          memory/4204-194-0x0000000004900000-0x0000000004992000-memory.dmp

          memory/4204-165-0x00000000046B0000-0x0000000004860000-memory.dmp

          memory/4204-161-0x00000000043B0000-0x0000000004446000-memory.dmp

          memory/4204-155-0x0000000001E20000-0x0000000001E3A000-memory.dmp

          memory/4544-42-0x00000000053B0000-0x0000000005954000-memory.dmp

          memory/4544-41-0x0000000004C50000-0x0000000004E00000-memory.dmp

          memory/4544-37-0x0000000004A00000-0x0000000004A96000-memory.dmp

          memory/4544-33-0x00000000048D0000-0x00000000048DC000-memory.dmp

          memory/4544-29-0x0000000004890000-0x00000000048BE000-memory.dmp

          memory/4668-74-0x0000000004D40000-0x0000000004D68000-memory.dmp