Analysis

  • user interaction
    yes
  • 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
    29/09/2026, 12:28

General

  • Target
    Cloudflare_WARP_2026.8.2028.1.msi
  • Size 57.3MB
  • Sample260929-pntcmszdrc
  • SHA256 7721007767b3cbb1821dc79297e7d7a3076f900b96481bbafacefeffc6e5f6ad
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 64 IoCs
  • Stops running service(s) 4 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Network Service Discovery 1 TTPs 1 IoCs

    Attempt to gather information on host's network.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 59 IoCs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 44 IoCs
  • Modifies registry class 39 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • 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\Cloudflare_WARP_2026.8.2028.1.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2600
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • 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:4664
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:728
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 9DD15F23BDB99E3853CA1BA28792C804
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3396
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI9A13.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240753375 2 CustomInstallerActions!CustomInstallerActions.Processes.KillGUIProcess
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3280
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSIDC63.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240770187 63 CustomInstallerActions!CustomInstallerActions.LaunchGUI.LaunchGUIViaShell
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:5080
        • C:\Windows\explorer.exe
          "explorer.exe" "C:\Program Files\Cloudflare\Cloudflare WARP\Cloudflare WARP.exe"
          4⤵
            PID:4540
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding BEA275E36E9F3D44260CA4F7DC138753 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1468
        • C:\Windows\system32\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSIAFFF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240758812 7 CustomInstallerActions!CustomInstallerActions.CustomActions.ReadCmdLineParams
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          PID:4940
        • C:\Windows\system32\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSIB148.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240759156 18 CustomInstallerActions!CustomInstallerActions.FolderPermissions.SecureDataDirectory
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          PID:4912
        • C:\Windows\system32\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSIB948.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240761203 28 CustomInstallerActions!CustomInstallerActions.StopUpdater.StopUpdaterCA
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          • Suspicious use of WriteProcessMemory
          PID:2916
          • C:\Windows\system32\sc.exe
            "sc.exe" delete CloudflareWARPUpdater
            4⤵
            • Launches sc.exe
            PID:4340
        • C:\Windows\system32\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSIBB0E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240761609 40 CustomInstallerActions!CustomInstallerActions.Processes.StopRunningProcesses
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2900
        • C:\Windows\system32\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSICB7A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240765843 48 CustomInstallerActions!CustomInstallerActions.Service.ConfigureService
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          • Suspicious use of WriteProcessMemory
          PID:3604
          • C:\Windows\system32\sc.exe
            "sc.exe" failure CloudflareWARP reset= 86400 actions= restart/0/restart/1000/restart/5000
            4⤵
            • Launches sc.exe
            PID:3172
          • C:\Windows\system32\sc.exe
            "sc.exe" failureflag CloudflareWARP 1
            4⤵
            • Launches sc.exe
            PID:312
          • C:\Windows\system32\sc.exe
            "sc.exe" config CloudflareWARP start=AUTO
            4⤵
            • Launches sc.exe
            PID:4360
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4432
    • C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe
      "C:\Program Files\Cloudflare\Cloudflare WARP\warp-svc.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Network Service Discovery
      • Drops file in System32 directory
      • Reads the TCP/IP host and domain name from the registry
      • Modifies data under HKEY_USERS
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3388
    • C:\Program Files\Cloudflare\Cloudflare WARP\Cloudflare WARP.exe
      "C:\Program Files\Cloudflare\Cloudflare WARP\Cloudflare WARP.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4788
    • C:\Program Files\Cloudflare\Cloudflare WARP\warp-updater.exe
      "C:\Program Files\Cloudflare\Cloudflare WARP\warp-updater.exe"
      1⤵
      • Executes dropped EXE
      PID:3892
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalService -p -s CaptureService
      1⤵
        PID:4148
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4236
        • C:\Program Files\Cloudflare\Cloudflare WARP\Cloudflare WARP.exe
          "C:\Program Files\Cloudflare\Cloudflare WARP\Cloudflare WARP.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1472

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e599811.rbs

            • Path C:\Config.Msi\e599811.rbs
            • Size 146KB
            • SHA256 f8d087c5587959dedd1aeb26e90725867407c903a986342217522c55e8de728f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Cloudflare WARP.exe

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\Cloudflare WARP.exe
            • Size 402KB
            • SHA256 23f4fc27609017f758711f917675265cb0ec622f91dc30c7a277a49bdc19905b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app_links_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\app_links_plugin.dll
            • Size 147KB
            • SHA256 1f1187346c88531b1e9f55ffe598d880289d54474106bdbd0653364138aae8e1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            auto_updater_windows_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\auto_updater_windows_plugin.dll
            • Size 106KB
            • SHA256 e97e78d110109598c704d2c563cfa92bb4978adee75cd74cc8f2abb3e1e61094
            • MD5 SHA1 SHA512 SSDEEP TLSH

            aws_lc_fips_0_14_2_crypto.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\aws_lc_fips_0_14_2_crypto.dll
            • Size 2.3MB
            • SHA256 d5af1f4f30da53e772eb93a4098360cab82b442f088ccc9ab599c968552e0aaf
            • MD5 SHA1 SHA512 SSDEEP TLSH

            desktop_webview_window_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\desktop_webview_window_plugin.dll
            • Size 192KB
            • SHA256 dd786339ee1ce95d2015678d94c9fc226aa8d5cc1943e92adbaf3313dc9fc288
            • MD5 SHA1 SHA512 SSDEEP TLSH

            flutter_inappwebview_windows_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\flutter_inappwebview_windows_plugin.dll
            • Size 959KB
            • SHA256 e9a864a1c3d0434d1e8a73b05b89090db4ea0065fbf81791baa9810ca51d065b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            screen_retriever_windows_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\screen_retriever_windows_plugin.dll
            • Size 128KB
            • SHA256 4c57e59ff094bd5beec1b33879be7e9e22f9addf557549465f8b18f00cdce632
            • MD5 SHA1 SHA512 SSDEEP TLSH

            share_plus_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\share_plus_plugin.dll
            • Size 143KB
            • SHA256 69541506db60a4fb991292bc6da05b4472e3f6954f7376e68596c70f5b80b7e3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            system_recovery_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\system_recovery_plugin.dll
            • Size 121KB
            • SHA256 7fac75b79d1a5dc7fb197a64550ef101f019e993d3ec270c43a6476e0535c8a0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tray_manager_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\tray_manager_plugin.dll
            • Size 117KB
            • SHA256 f634555aca12770b0bc14cb8d9de69610a2a990c7e73011dde01e49e918942cb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            url_launcher_windows_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\url_launcher_windows_plugin.dll
            • Size 107KB
            • SHA256 b9662350d7cedcaf9332483cb40cdc94231186797cd865ec5d60658c58acc212
            • MD5 SHA1 SHA512 SSDEEP TLSH

            window_manager_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\window_manager_plugin.dll
            • Size 139KB
            • SHA256 8fcac076fa4b81397bf484c0d06cdd996d300fe632d345c7a1600f6f06e13451
            • MD5 SHA1 SHA512 SSDEEP TLSH

            window_to_front_plugin.dll

            • Path C:\Program Files\Cloudflare\Cloudflare WARP\window_to_front_plugin.dll
            • Size 90KB
            • SHA256 30cc93964a8d27cf469fc93a3907724337b19e06f14431ea1b3c19b83e46447f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB
            • Size 471B
            • SHA256 376ab13403e5f7e15bd50e63626d0cbb9cb859baf3af7ff02bed483687fac040
            • MD5 SHA1 SHA512 TLSH

            8EC9B1D0ABBD7F98B401D425828828CE_6FE2AF28B33C6DE3F447F7F539AA6D00

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_6FE2AF28B33C6DE3F447F7F539AA6D00
            • Size 727B
            • SHA256 d07f04770aa641ed73326e2068a3dd8523c4291c325e6b6af91d5aee9fc37076
            • MD5 SHA1 SHA512 TLSH

            C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
            • Size 727B
            • SHA256 42ea121e9943144096ecbd14e65f5ea268b8a2928785224ab79f016ead851f2f
            • MD5 SHA1 SHA512 TLSH

            698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB
            • Size 400B
            • SHA256 a7ab84487becba149fd6985383863bd71d667ec8f76409786b99e65c5a85af55
            • MD5 SHA1 SHA512 TLSH

            8EC9B1D0ABBD7F98B401D425828828CE_6FE2AF28B33C6DE3F447F7F539AA6D00

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_6FE2AF28B33C6DE3F447F7F539AA6D00
            • Size 404B
            • SHA256 7c77b826cbd92d104f335ff818ed8711b883746cdf6b2fcc677501230f32374d
            • MD5 SHA1 SHA512 TLSH

            C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
            • Size 412B
            • SHA256 19cde2528e473e749c49cfaca400ba263c6c4f860103132abbf92fcbbc9e6aee
            • MD5 SHA1 SHA512 TLSH

            rundll32.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\rundll32.exe.log
            • Size 651B
            • SHA256 d06099ef43eb002055378b1b6d9853f9b1f891ada476932ba575d1f97065a580
            • MD5 SHA1 SHA512 TLSH

            MSI9A13.tmp

            • Path C:\Windows\Installer\MSI9A13.tmp
            • Size 376KB
            • SHA256 50cfd251f49506c91c34b39731c4d1a47d0a2e20f6bfed3fb115f70315f53a8c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CustomInstallerActions.dll

            • Path C:\Windows\Installer\SFXCA60EC265E004885680CC2CA8D72FA7007\CustomInstallerActions.dll
            • Size 42KB
            • SHA256 f677122dff6d43a0bc18c999238f364527c05278b425a300f3027a2b6dd42698
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CustomAction.config

            • Path C:\Windows\Installer\SFXCAB13EEC9AAF4FF489E32D0B6C3BCBA0F0\CustomAction.config
            • Size 942B
            • SHA256 8a0c15fd64db64866ec57cf6344dad0f40a558bedf38d9801d02f37548f30344
            • MD5 SHA1 SHA512 TLSH

            WixToolset.Dtf.WindowsInstaller.dll

            • Path C:\Windows\Installer\SFXCAB13EEC9AAF4FF489E32D0B6C3BCBA0F0\WixToolset.Dtf.WindowsInstaller.dll
            • Size 193KB
            • SHA256 dd4120702e4cc794705c0ad23ce1eaa265310ab96064fd23947f6dff38e8e680
            • MD5 SHA1 SHA512 SSDEEP TLSH

            System.Diagnostics.EventLog.dll

            • Path C:\Windows\Installer\SFXCAC7181307F74D9EB92E91D1D60817FF3D\System.Diagnostics.EventLog.dll
            • Size 37KB
            • SHA256 7b1e002e8f3616bf4d42413b7e587e2597d4f6aac013922aa7df3039089e388e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            System.Security.Principal.Windows.dll

            • Path C:\Windows\Installer\SFXCAC7181307F74D9EB92E91D1D60817FF3D\System.Security.Principal.Windows.dll
            • Size 17KB
            • SHA256 b4d8e15adc235d0e858e39b5133e5d00a4baa8c94f4f39e3b5e791b0f9c0c806
            • MD5 SHA1 SHA512 SSDEEP TLSH

            System.ServiceProcess.ServiceController.dll

            • Path C:\Windows\Installer\SFXCAC7181307F74D9EB92E91D1D60817FF3D\System.ServiceProcess.ServiceController.dll
            • Size 22KB
            • SHA256 264aba3ab46ede36a81014543096c339fd0f249297f3619074272a8d8b32c81a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 24.1MB
            • SHA256 a4958835586aec19b41efc0a23558b7dff592bceda8673223657fe74f5dd4a20
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {1806d054-610a-4d70-a846-4829509e08d8}_OnDiskSnapshotProp

            • Path \??\Volume{ba718129-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{1806d054-610a-4d70-a846-4829509e08d8}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 a776242bb1215d1e0957d4495fb8c06c69ebbc0fd5ca34ff1c7bc1c74ba3c9fa
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/3280-38-0x0000020578C10000-0x0000020578C44000-memory.dmp

            memory/3280-42-0x0000020578730000-0x0000020578740000-memory.dmp

            memory/4788-782-0x000001C02C2B0000-0x000001C02CCC1000-memory.dmp

            memory/4788-785-0x000001C02C0F0000-0x000001C02C0F1000-memory.dmp

            memory/4788-783-0x000001C02C2B0000-0x000001C02CCC1000-memory.dmp

            memory/4788-781-0x000001C02C0E0000-0x000001C02C0E1000-memory.dmp

            memory/4788-784-0x000001C02C2B0000-0x000001C02CCC1000-memory.dmp