Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/04/2026, 04:47

General

  • Target
    systemutilities.msi
  • Size 7.4MB
  • Sample260403-fenaladv9s
  • SHA256 658a4936d2254cac14353ebce5b8b1fec4d9f46a1b8e474aee267c6f621cb586
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • AnyPdf

    AnyPdf is a backdoor written in C#.

  • Anypdf family
  • Detects AnyPdf backdoor 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 31 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Badlisted process makes network request 9 IoCs

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

  • Checks installed software on the system 1 TTPs

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

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 28 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 12 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\systemutilities.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4320
    • C:\Program Files (x86)\SystemUtilities\autorun.exe
      "C:\Program Files (x86)\SystemUtilities\autorun.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5256
      • C:\Program Files (x86)\SystemUtilities\SystemUtilities.exe
        "C:\Program Files (x86)\SystemUtilities\SystemUtilities.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        PID:4208
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Adds Run key to start application
    • Badlisted process makes network request
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5788
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 419F9951C53FE1B7CD7A1BD0AAE1D9B4 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4676
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIB10B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240693625 1 SystemUtilities.CustomActionsWix!SystemUtilities.CustomActionsWix.CustomActions.InstallerStartedCustomAction
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2992
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSID08B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240701578 5 SystemUtilities.CustomActionsWix!SystemUtilities.CustomActionsWix.CustomActions.UserInteractedCustomAction
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:392
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3924
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2675BA9B8146F5AAE80A7DA5F61D705C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5492
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSI19C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240714218 2 SystemUtilities.CustomActionsWix!SystemUtilities.CustomActionsWix.CustomActions.InstallationStartedCustomAction
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          PID:1516
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSI5A5.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240715203 6 SystemUtilities.CustomActionsWix!SystemUtilities.CustomActionsWix.CustomActions.InstallCompleteCustomAction
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          PID:3252
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSI6C0.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240715453 10 SystemUtilities.CustomActionsWix!SystemUtilities.CustomActionsWix.CustomActions.StartDhtCustomAction
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:800
          • C:\Users\Admin\AppData\Local\DiagnosticDriver\DiagnosticDriver.exe
            "C:\Users\Admin\AppData\Local\DiagnosticDriver\DiagnosticDriver.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:4896
            • C:\Users\Admin\AppData\Local\DiagnosticDriver\DiagnosticDriverUpdater.exe
              "C:\Users\Admin\AppData\Local\DiagnosticDriver\DiagnosticDriverUpdater.exe" SystemUtilities https://yasupro.net/lup/version/last a2ef21b7c171d0bec03f50fc2158bf0411376209cc24ab7fce3009459ade3640 C:\Users\Admin\AppData\Local\DiagnosticDriver\DiagnosticDriver.exe
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:6080
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5296
    • C:\Users\Admin\AppData\Local\DiagnosticDriver\DiagnosticDriver.exe
      C:\Users\Admin\AppData\Local\DiagnosticDriver\DiagnosticDriver.exe
      1⤵
      • Executes dropped EXE
      PID:4380

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e590007.rbs

          • Path C:\Config.Msi\e590007.rbs
          • Size 12KB
          • SHA256 0c69e52bfbf363677bf981f285fc4c7b1ce048762120e915b9c1f64f954881d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.WindowsAPICodePack.Shell.dll

          • Path C:\Program Files (x86)\SystemUtilities\Microsoft.WindowsAPICodePack.Shell.dll
          • Size 529KB
          • SHA256 e6fa9d9e34ff3bf63ce782654b14e4b54a3abd1022c87bc099032c2948157672
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.WindowsAPICodePack.dll

          • Path C:\Program Files (x86)\SystemUtilities\Microsoft.WindowsAPICodePack.dll
          • Size 102KB
          • SHA256 418b5e7a96f9a6105cc6fe45896a9164e79c8849f40be23a411b5563a8e3a0d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SystemUtilities.exe

          • Path C:\Program Files (x86)\SystemUtilities\SystemUtilities.exe
          • Size 1.9MB
          • SHA256 8573c51c89b3be8fd3dd1341756c7fa0d30fbbf310024dd44b43913a358a2d69
          • MD5 SHA1 SHA512 SSDEEP TLSH

          autorun.exe

          • Path C:\Program Files (x86)\SystemUtilities\autorun.exe
          • Size 16KB
          • SHA256 325483361ab0e0aaa4805087d502066d52099a1b6d096e3c9cdfe9e1068b84a3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          357F04AD41BCF5FE18FCB69F60C6680F_916782E55E1A78E82793614EB4F362C2

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_916782E55E1A78E82793614EB4F362C2
          • Size 1KB
          • SHA256 76dba7ff4511f0cf070579b7101826d36e7fd060cb358a875a60ed97689692e2
          • MD5 SHA1 SHA512 TLSH

          57C8EDB95DF3F0AD4EE2DC2B8CFD4157

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
          • Size 4KB
          • SHA256 0300e9ddb527990e8b59d06e9ccf3ec2bd92d3bbd0ef4fba69d6336e4195e82d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 1KB
          • SHA256 95a7c1909d396771f8dbed85b908cddaafca8d6000634972fb886cedb6de52ca
          • MD5 SHA1 SHA512 TLSH

          B039FEA45CB4CC4BBACFC013C7C55604_50385F8EB1F713E33924A830D7A2A41C

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B039FEA45CB4CC4BBACFC013C7C55604_50385F8EB1F713E33924A830D7A2A41C
          • Size 1KB
          • SHA256 36e7dc636e73b1f4328a532a743296685ba2b471962facbc2e6b410c02c26b33
          • MD5 SHA1 SHA512 TLSH

          357F04AD41BCF5FE18FCB69F60C6680F_916782E55E1A78E82793614EB4F362C2

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_916782E55E1A78E82793614EB4F362C2
          • Size 540B
          • SHA256 01493c613a0dce94df486ead05ff0b78b46515938df454c045c91f1352cc13d5
          • MD5 SHA1 SHA512 TLSH

          57C8EDB95DF3F0AD4EE2DC2B8CFD4157

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
          • Size 342B
          • SHA256 a3162fb276761e30490ee58e4fda5ef69176fb2bf07996640b6ddfd1ea465ff4
          • MD5 SHA1 SHA512 TLSH

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 536B
          • SHA256 88f1f7be0f81c0f76d73ab8587a418346a5af085c71e962af3ceac982052be95
          • MD5 SHA1 SHA512 TLSH

          B039FEA45CB4CC4BBACFC013C7C55604_50385F8EB1F713E33924A830D7A2A41C

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B039FEA45CB4CC4BBACFC013C7C55604_50385F8EB1F713E33924A830D7A2A41C
          • Size 508B
          • SHA256 121212e30c9237724e9d3b2e90541c2de06b1aa4d3b2fae31b1ce348dc400a19
          • MD5 SHA1 SHA512 TLSH

          Config.txt

          • Path C:\Users\Admin\AppData\Local\DiagnosticDriver\Config.txt
          • Size 296B
          • SHA256 984d1ce3ffcc988d27b739f6f41dfd959c617e51c459ed72e08b81c1243004fe
          • MD5 SHA1 SHA512 TLSH

          DiagnosticDriver.exe

          • Path C:\Users\Admin\AppData\Local\DiagnosticDriver\DiagnosticDriver.exe
          • Size 159KB
          • SHA256 8debd07096a23dbba47d3de896956a687376918e2f678f36031117c5907e452a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DiagnosticDriverUpdater.exe

          • Path C:\Users\Admin\AppData\Local\DiagnosticDriver\DiagnosticDriverUpdater.exe
          • Size 88KB
          • SHA256 8705b334815a1676f62aadf46cc0e201f77e27e78de9c064d149544d916d0fc3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Newtonsoft.Json.dll

          • Path C:\Users\Admin\AppData\Local\DiagnosticDriver\Newtonsoft.Json.dll
          • Size 685KB
          • SHA256 b624949df8b0e3a6153fdfb730a7c6f4990b6592ee0d922e1788433d276610f3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Data.SQLite.dll

          • Path C:\Users\Admin\AppData\Local\DiagnosticDriver\System.Data.SQLite.dll
          • Size 384KB
          • SHA256 5fac5a9e9b8bbdad6cf661dbf3187e395914cd7139e34b725906efbb60122c0d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SQLite.Interop.dll

          • Path C:\Users\Admin\AppData\Local\DiagnosticDriver\x64\SQLite.Interop.dll
          • Size 1.7MB
          • SHA256 9309fb2a3f326d0f2cc3f2ab837cfd02e4f8cb6b923b3b2be265591fd38f4961
          • MD5 SHA1 SHA512 SSDEEP TLSH

          rundll32.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rundll32.exe.log
          • Size 1KB
          • SHA256 71b942a59df956f6ee45246123dedaaa6ec1611a20b93812f779d504bfd0bae1
          • MD5 SHA1 SHA512 TLSH

          Clue

          • Path C:\Users\Admin\AppData\Local\SystemUtilities\Clue
          • Size 39B
          • SHA256 ea893b03682e7742df0b2598b60203546eb9a9f62100cf18a6cb76bbc598e0c6
          • MD5 SHA1 SHA512

          Sources

          • Path C:\Users\Admin\AppData\Local\SystemUtilities\Sources
          • Size 64B
          • SHA256 4d7c23187a194e2ffde3f7a5ac176514f57ea39253497e18e2b3a0f4d33aafb3
          • MD5 SHA1 SHA512 TLSH

          MSIB10B.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB10B.tmp
          • Size 251KB
          • SHA256 843f4ed51c95d6892cedf04bb41fb48cf717b06c747f939d474a11db957de7c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB10B.tmp-\CustomAction.config
          • Size 1KB
          • SHA256 33d947c04a10e3aff3dca3b779393fa56ce5f02251c8cbae5076a125fdea081f
          • MD5 SHA1 SHA512 TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB10B.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 179KB
          • SHA256 cf06d4ed4a8baf88c82d6c9ae0efc81c469de6da8788ab35f373b350a4b4cdca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SystemUtilities.CustomActionsWix.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIB10B.tmp-\SystemUtilities.CustomActionsWix.dll
          • Size 28KB
          • SHA256 40a5073210d5fb101dc105bf2d134b08a6e887140238e125a748f970a0b4eeef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e590006.msi

          • Path C:\Windows\Installer\e590006.msi
          • Size 7.4MB
          • SHA256 658a4936d2254cac14353ebce5b8b1fec4d9f46a1b8e474aee267c6f621cb586
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SystemUtilitiesIcon.ico

          • Path C:\Windows\Installer\{E260E69D-A75E-4723-9758-1C5E3EC4B021}\SystemUtilitiesIcon.ico
          • Size 54KB
          • SHA256 64b7539df855b445ec76009240cc310374266ef15b1d5209561c55cb983df9ea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/392-70-0x0000000001000000-0x00000000010DF000-memory.dmp

          memory/800-194-0x0000000001050000-0x000000000112F000-memory.dmp

          memory/1516-117-0x0000000000D90000-0x0000000000E6F000-memory.dmp

          memory/2992-46-0x0000000000AF0000-0x0000000000BCF000-memory.dmp

          memory/2992-40-0x0000000005620000-0x0000000005B4C000-memory.dmp

          memory/2992-35-0x0000000004E40000-0x0000000004EA6000-memory.dmp

          memory/2992-30-0x0000000004CC0000-0x0000000004CEE000-memory.dmp

          memory/2992-34-0x0000000004D00000-0x0000000004D0E000-memory.dmp

          memory/3252-172-0x0000000001410000-0x00000000014EF000-memory.dmp

          memory/3924-255-0x0000020F2A090000-0x0000020F2A13F000-memory.dmp

          memory/3924-259-0x0000020F2A090000-0x0000020F2A13F000-memory.dmp

          memory/4208-251-0x000001F371720000-0x000001F371758000-memory.dmp

          memory/4208-240-0x000001F36C8B0000-0x000001F36CA94000-memory.dmp

          memory/4208-252-0x000001F370B10000-0x000001F370B1E000-memory.dmp

          memory/4208-249-0x000001F36F7B0000-0x000001F36F7D0000-memory.dmp

          memory/4208-260-0x000001F36CEE0000-0x000001F36CEEC000-memory.dmp

          memory/4208-247-0x000001F36FFB0000-0x000001F37003A000-memory.dmp

          memory/4208-245-0x000001F36F780000-0x000001F36F788000-memory.dmp

          memory/4208-262-0x000001F36F710000-0x000001F36F722000-memory.dmp

          memory/4208-261-0x000001F36F5A0000-0x000001F36F64F000-memory.dmp

          memory/4320-241-0x0000022E49580000-0x0000022E4958C000-memory.dmp

          memory/4320-42-0x0000022E4B2E0000-0x0000022E4B38F000-memory.dmp

          memory/4320-242-0x0000022E4B2E0000-0x0000022E4B38F000-memory.dmp

          memory/4320-0-0x0000022E49580000-0x0000022E4958C000-memory.dmp

          memory/4380-200-0x00000169713B0000-0x00000169713BC000-memory.dmp

          memory/4676-239-0x0000000000C90000-0x0000000000D6F000-memory.dmp

          memory/4676-72-0x0000000000C90000-0x0000000000D6F000-memory.dmp

          memory/4896-208-0x000001D875BB0000-0x000001D875C12000-memory.dmp

          memory/4896-256-0x000001D85AFA0000-0x000001D85AFAC000-memory.dmp

          memory/4896-258-0x000001D875AE0000-0x000001D875AF2000-memory.dmp

          memory/4896-257-0x000001D875500000-0x000001D8755AF000-memory.dmp

          memory/4896-217-0x000001D875B40000-0x000001D875B66000-memory.dmp

          memory/4896-216-0x000001D8792F0000-0x000001D87932A000-memory.dmp

          memory/4896-212-0x000001D875B70000-0x000001D875B92000-memory.dmp

          memory/4896-211-0x000001D875C20000-0x000001D875C70000-memory.dmp

          memory/4896-210-0x000001D878610000-0x000001D8786C0000-memory.dmp

          memory/4896-205-0x000001D875CE0000-0x000001D876208000-memory.dmp

          memory/4896-195-0x000001D85AB60000-0x000001D85AB8C000-memory.dmp

          memory/5256-238-0x0000000000FF0000-0x00000000010CF000-memory.dmp

          memory/5256-234-0x0000000000A00000-0x0000000000A08000-memory.dmp

          memory/5296-80-0x00000192DAB60000-0x00000192DAC0F000-memory.dmp

          memory/5492-197-0x0000000000C50000-0x0000000000D2F000-memory.dmp

          memory/5788-83-0x000001C908550000-0x000001C90855C000-memory.dmp

          memory/5788-71-0x000001C907CC0000-0x000001C907D6F000-memory.dmp

          memory/6080-229-0x0000000001A50000-0x0000000001B2F000-memory.dmp

          memory/6080-227-0x0000000000F90000-0x0000000000FAA000-memory.dmp

          memory/6080-230-0x00000000033B0000-0x00000000033C9000-memory.dmp