Analysis

  • max time kernel
    165s
  • max time network
    168s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 12:16

General

  • Target
    Office_2024_EN_64Bits.exe
  • Size 3.4MB
  • Sample260801-pflylaan2t
  • SHA256 04c3c5cf2f26c10a82444d4f9498557c89a4521331dace6427a1eb035327d605
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks system information in the registry 2 TTPs 8 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 47 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 9 IoCs

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

  • Enumerates system info in registry 2 TTPs 9 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Office_2024_EN_64Bits.exe
    "C:\Users\Admin\AppData\Local\Temp\Office_2024_EN_64Bits.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3664
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\start.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2888
      • C:\Users\Admin\AppData\Local\Temp\package\setup.exe
        setup /configure configuration.xml
        3⤵
        • Checks system information in the registry
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4216
        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
          OfficeClickToRun.exe platform=x64 culture=en-us productstoadd=ProPlus2024Volume.16_en-us_x-none cdnbaseurl=http://officecdn.microsoft.com/pr/7983bac0-e531-40cf-be00-fd24fe66619c baseurl=http://officecdn.microsoft.com/pr/7983bac0-e531-40cf-be00-fd24fe66619c version=16.0.17932.20884 mediatype=CDN sourcetype=CDN productstoremove=AllProducts updatesenabled=True autoactivate=0 forceappshutdown=True sharedcomputerlicensing=0 sclcacheoverride=0 acceptalleulas=True displaylevel=True bitnessmigration=False deliverymechanism=7983BAC0-E531-40CF-BE00-FD24FE66619C devicebasedlicensing=0 flt.useoutlookshareaddon=unknown flt.useofficehelperaddon=unknown flt.UseTeamsOnInstallConsumer=unknown flt.UseTeamsOnUpdateConsumer=unknown uninstallcentennial=True scenario=CLIENTUPDATE
          4⤵
          • Drops file in System32 directory
          • Drops file in Program Files directory
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:1152
        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
          OfficeClickToRun.exe platform=x64 culture=en-us productstoadd=ProPlus2024Volume.16_en-us_x-none cdnbaseurl.16=http://officecdn.microsoft.com/pr/7983bac0-e531-40cf-be00-fd24fe66619c baseurl.16=http://officecdn.microsoft.com/pr/7983bac0-e531-40cf-be00-fd24fe66619c version.16=16.0.17932.20884 mediatype.16=CDN sourcetype.16=CDN productstoremove=AllProducts updatesenabled.16=True autoactivate=0 forceappshutdown=True sharedcomputerlicensing.16=0 sclcacheoverride.16=0 acceptalleulas.16=True displaylevel=True bitnessmigration=False deliverymechanism=7983BAC0-E531-40CF-BE00-FD24FE66619C devicebasedlicensing=0 flt.useoutlookshareaddon=unknown flt.useofficehelperaddon=unknown flt.UseTeamsOnInstallConsumer=unknown flt.UseTeamsOnUpdateConsumer=unknown uninstallcentennial=True
          4⤵
          • Checks system information in the registry
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:4636
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Drops file in System32 directory
    • Checks system information in the registry
    • Drops file in Program Files directory
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:5860
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe" /progressandlaunch AppTargets="root\office16\excel.exe|root\office16\lync.exe|root\office16\msaccess.exe|root\office16\onenote.exe|root\office16\outlook.exe|root\office16\powerpnt.exe|root\office16\winword.exe" ManualUpgrade=False ScenarioToTrack="Scenario:{477E0208-58BD-4F33-978A-09BCC9AA9EB1}@INSTALL"
    1⤵
    • Checks system information in the registry
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2700

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ApiClient.dll

        • Path C:\Program Files\Common Files\Microsoft Shared\ClickToRun\ApiClient.dll
        • Size 551KB
        • SHA256 14880d359be913b16eeb49e042c38bea0d8fc7976f546c76d5d87fa94f1e1ad6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVIsvSubsystemController.dll

        • Path C:\Program Files\Common Files\Microsoft Shared\ClickToRun\AppVIsvSubsystemController.dll
        • Size 950KB
        • SHA256 a7927aad48be4df721140eb7a079e26997379d74c57fc7e88fa089adc52d5add
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IntegratedOffice.exe

        • Path C:\Program Files\Common Files\Microsoft Shared\ClickToRun\IntegratedOffice.exe
        • Size 5.2MB
        • SHA256 8a43b3d7e80de78681c0c21719089c8ea08b788946237a8d28969c51a2e8ede7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIX.dll

        • Path C:\Program Files\Common Files\Microsoft Shared\ClickToRun\MSIX.dll
        • Size 2.0MB
        • SHA256 b98f108a089b1ee29739be8cafef4b29967fb862c718127d809d47c393a2363b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSVCP140.dll

        • Path C:\Program Files\Common Files\Microsoft Shared\ClickToRun\MSVCP140.dll
        • Size 559KB
        • SHA256 1e57a6df9e3742e31a1c6d9bff81ebeeae8a7de3b45a26e5079d5e1cce54cd98
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Program Files\Common Files\Microsoft Shared\ClickToRun\VCRUNTIME140.dll
        • Size 116KB
        • SHA256 a06c9ea4f815dac75d2c99684d433fbfc782010fae887837a03f085a29a217e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Program Files\Common Files\Microsoft Shared\ClickToRun\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6d3a6cde6fc4d3c79aabf785c04d2736a3e2fd9b0366c9b741f054a13ecd939e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        repoman.dll

        • Path C:\Program Files\Common Files\Microsoft Shared\ClickToRun\repoman.dll
        • Size 5.9MB
        • SHA256 8f27e4093be0ef329ef1e76ff3b5896fe9d246b41337346a4695175e72d929f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVCatalog.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVCatalog.dll
        • Size 536KB
        • SHA256 1d5b3b2ec11826763cd2be67481b3550d5efee4cc8e33de19cf6b223617aa81e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVFileSystemMetadata.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVFileSystemMetadata.dll
        • Size 250KB
        • SHA256 7c3f346a9e7f6557d4e096a8d1a16622963405193be090be8371a974712f723b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVIntegration.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIntegration.dll
        • Size 1.5MB
        • SHA256 89297167f1a4efc7d2d17127413962838b4a0b5c3aff59d6b04547f09437eedc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVIsvApi.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll
        • Size 371KB
        • SHA256 9f10155e989a656499be2c07a6f0402f07867b04c0fda539b5d9aa0425cab0d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVIsvStreamingManager.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvStreamingManager.dll
        • Size 181KB
        • SHA256 3ccbef8389147c4f4b729c1def5021f95defda500005873ac88f8438af09c747
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVIsvVirtualization.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvVirtualization.dll
        • Size 475KB
        • SHA256 5728328ceda6aab51dfeaff14323e075344137d1fc8779b33f440c8e8d8b2ceb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVManifest.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVManifest.dll
        • Size 929KB
        • SHA256 041ab2ea17b4c38b37da6683200825a6ff91ae87caf7e4a7271763128af85ad5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVOrchestration.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVOrchestration.dll
        • Size 770KB
        • SHA256 c42275a91cedd42aa436a48cf626db619c19813672accffa0f4db38fc58e04cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVPolicy.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVPolicy.dll
        • Size 1014KB
        • SHA256 b4085e55d7093eedee6207dee87a071d99ed510214e312ce25fae40921284418
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OfficeClickToRun.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe
        • Size 13.4MB
        • SHA256 99f446a1a8ebe2edcc01160b096de03d2c6a836742b7c81498cec69c3d00e466
        • MD5 SHA1 SHA512 SSDEEP TLSH

        i640.cab.cat

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\Updates\16.0.17932.20884\i640.cab.cat
        • Size 31KB
        • SHA256 29a553c0069d1752d0cf7adc66f3d879df4a0489d70216b3fd063064c3c371f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        i640.hash

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\Updates\16.0.17932.20884\i640.hash
        • Size 106B
        • SHA256 7c976569fe94bedecbc813412dc62aad938c25bfb1a78445fa533b2061173d59
        • MD5 SHA1 SHA512 TLSH

        MasterDescriptor.en-us.xml

        • Path C:\ProgramData\Microsoft\ClickToRun\ProductReleases\F42578F5-35B4-4405-A1E7-AC9F27838FCE\en-us.16\MasterDescriptor.en-us.xml
        • Size 40KB
        • SHA256 1f3c2cc26acdb8b662a6d4d7237434daa4083979a30365dffc4a82849a3551bd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        stream.x64.en-us.dat.cat

        • Path C:\ProgramData\Microsoft\ClickToRun\ProductReleases\F42578F5-35B4-4405-A1E7-AC9F27838FCE\en-us.16\stream.x64.en-us.dat.cat
        • Size 78KB
        • SHA256 405de336297df98e97b5b2ad6a8adf0640ffe935974f5ce6880228f95991359f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MasterDescriptor.x-none.xml

        • Path C:\ProgramData\Microsoft\ClickToRun\ProductReleases\F42578F5-35B4-4405-A1E7-AC9F27838FCE\x-none.16\MasterDescriptor.x-none.xml
        • Size 40KB
        • SHA256 0181acc2affc00a9ef2ed9e08b2a8570029bc7a2282dbf85b1b84520eb74f297
        • MD5 SHA1 SHA512 SSDEEP TLSH

        stream.x64.x-none.dat.cat

        • Path C:\ProgramData\Microsoft\ClickToRun\ProductReleases\F42578F5-35B4-4405-A1E7-AC9F27838FCE\x-none.16\stream.x64.x-none.dat.cat
        • Size 672KB
        • SHA256 3c8740a6047bc65de488a5a7aaf516950cfd0d1d170abba88983723c824581b4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF
        • Size 1KB
        • SHA256 7935f8563acd826c06983ff95bf27dffd3a9f25d2039fdbc360fa4115b4d9bb2
        • MD5 SHA1 SHA512 TLSH

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
        • Size 471B
        • SHA256 a4cf22661048ac7deb6a2f401771c572c2c874d0cb76b767bb5d332a8c9797ab
        • MD5 SHA1 SHA512 TLSH

        B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_30070D1E013A39CA7A94F919F7922FDF
        • Size 426B
        • SHA256 c57e1abd75fdf2bfbfab154122a28f68e2a2eb1c272b58b1b03a36683c9cb2f9
        • MD5 SHA1 SHA512 TLSH

        E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
        • Size 412B
        • SHA256 1c154f987a12289fec0370ea5f8a4eab666f756a78869543567e06aef641ad4f
        • MD5 SHA1 SHA512 TLSH

        i640.cab

        • Path C:\Users\Admin\AppData\Local\Temp\OFFICE~1\i640.cab
        • Size 32.1MB
        • SHA256 209e643a0990cb026f8fcc8699337287cb821ac1857559ba70220486bd246d13
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VersionDescriptor.xml

        • Path C:\Users\Admin\AppData\Local\Temp\OfficeC2RB926B82C-E61E-45DE-94D0-00D53E872EA0\VersionDescriptor.xml
        • Size 25KB
        • SHA256 87f6876712cdae1647167ef9cd1a76189d3142adeff38df2ed636dac135c38f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        configuration.xml

        • Path C:\Users\Admin\AppData\Local\Temp\package\configuration.xml
        • Size 561B
        • SHA256 d2332477bef1bea8bad8a04b464e0bbc583a43ea82db42a5e2928ca84ce86e07
        • MD5 SHA1 SHA512 TLSH

        setup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\package\setup.exe
        • Size 7.4MB
        • SHA256 b03c4cc3c1377ee81b1f94da126e58a30f484d4d935889538fae1c650dd6828b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        start.bat

        • Path C:\Users\Admin\AppData\Local\Temp\start.bat
        • Size 49B
        • SHA256 d7d4b20eb7e17dcf3ce914aa1bc29a94427434cc67519cacfde2c13419c70fb7
        • MD5 SHA1 SHA512

        s640.cab

        • Path C:\Windows\Temp\OFFICE~1\s640.cab
        • Size 3.6MB
        • SHA256 fe96918fa0018038786548935dd100a35eb4f7a2ed96aaaad8cee92b17d4a309
        • MD5 SHA1 SHA512 SSDEEP TLSH

        s641033.cab

        • Path C:\Windows\Temp\OFFICE~1\s641033.cab
        • Size 536KB
        • SHA256 f6c1ac798624769728ec6028c93ad586a076851cd84e64da90aa00936aa6a410
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1152-454-0x00007FFA8A3A0000-0x00007FFA8A3DA000-memory.dmp

        memory/1152-488-0x00007FFA8A6F0000-0x00007FFA8A78B000-memory.dmp

        memory/1152-486-0x00007FF6BFEC0000-0x00007FF6C0959000-memory.dmp

        memory/1152-487-0x00007FFA8FBB0000-0x00007FFA8FBC5000-memory.dmp

        memory/1152-489-0x00007FFA8A3A0000-0x00007FFA8A3DA000-memory.dmp

        memory/1152-478-0x00007FF6BFEC0000-0x00007FF6C0959000-memory.dmp

        memory/1152-451-0x00007FF6BFEC0000-0x00007FF6C0959000-memory.dmp

        memory/1152-453-0x00007FFA8A6F0000-0x00007FFA8A78B000-memory.dmp

        memory/1152-452-0x00007FFA8FBB0000-0x00007FFA8FBC5000-memory.dmp