Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29/04/2024, 19:43

General

  • Target

    e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe

  • Size

    4.1MB

  • MD5

    0dcd77aa3e28266641bcdbc58d5c94c9

  • SHA1

    c7fb02678c194955245a123627829786b6843955

  • SHA256

    e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172

  • SHA512

    bf7e012b313de96c31030283add07d612433818238f2f335b20c1f7316839598b2cfc63872b5a90e2c75ea3c1d850751e469c5ea552ea22e2780e8906acb46f9

  • SSDEEP

    98304:BdQuuPHa5MdStgxripkXnRwi4vnPQHeH26Ah+8mVZTt:guu/awStgipkXtkP6Lot

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 18 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

  • Drops file in System32 directory 7 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 4 IoCs
  • Launches sc.exe 1 IoCs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 36 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe
    "C:\Users\Admin\AppData\Local\Temp\e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1572
    • C:\Users\Admin\AppData\Local\Temp\e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe
      "C:\Users\Admin\AppData\Local\Temp\e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2464
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3560
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          PID:3760
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1488
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3544
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1516
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2536
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Creates scheduled task(s)
          PID:1480
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:432
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4884
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2412
          • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:3352
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Creates scheduled task(s)
            PID:1848
          • C:\Windows\windefender.exe
            "C:\Windows\windefender.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3760
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4552
              • C:\Windows\SysWOW64\sc.exe
                sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
                6⤵
                • Launches sc.exe
                • Suspicious use of AdjustPrivilegeToken
                PID:1416
    • C:\Windows\windefender.exe
      C:\Windows\windefender.exe
      1⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      PID:4216

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xf2ysdgf.4o1.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

      Filesize

      281KB

      MD5

      d98e33b66343e7c96158444127a117f6

      SHA1

      bb716c5509a2bf345c6c1152f6e3e1452d39d50d

      SHA256

      5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

      SHA512

      705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      d0c46cad6c0778401e21910bd6b56b70

      SHA1

      7be418951ea96326aca445b8dfe449b2bfa0dca6

      SHA256

      9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

      SHA512

      057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      f56fedcd71341c866b8e21808e0286fd

      SHA1

      d103763013cd53c8949f5b30968ff60386714f85

      SHA256

      74588678ce320faceafbea6b3f77e81d8ab8fd8819344385f417c746bd51684e

      SHA512

      8320d9a2fa98d15386104325cb14636a9a5735ee49bb4734e3f4bd1cf6263269542089c93786810f33f84a457495de7509bb5626b6528935ae07688f708a7c8a

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      024805ad4ea5d988663dc7b101155339

      SHA1

      5ec1e95d6a14f987d0efad7ec5d77c0fb51ef964

      SHA256

      8df06e5341ae795c5c0608dfb62cfbd3f296366d0643b665d64fa17ca490fe68

      SHA512

      82bfdc0f245a2d92b4a51ae67ff4a171414256d8c2d31d4f62fab87f71ec2c455d6f5e18f0cc811cd3505446825d4cb15d12968b1a2035abec38b5f362c2b0cc

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      d24c30730a4609315d88a6c7a6709227

      SHA1

      a2e9c2522074c2e3b5c93c06584dd03e85dba486

      SHA256

      1614fb539f093925558513c6b157ae6da132e30a87d6198c6bcbfbd6fc3bd94b

      SHA512

      c1ed74144bcfb5fcd477d55fcbc58447bfe101123d58513a054a65ab574070e412e22ecb37e994e0c1b4d7e1194680da15a415653b36e467377fe177074953c6

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      3bab46ce6d51d763ed2131f69ec9413c

      SHA1

      0068b8f69985467d9e830888f4b3e6ee7570de64

      SHA256

      80a13964493bc1be841ccbf05dcac214de1a47834c98a12ff6e0a794f9930b1f

      SHA512

      51683d99e476fb1f02d20fc8ac42aa539085536ea8c392fff261774fc0768e1bad7dfac1eccc553afc524034094dec6bc44ac868c9902bcead5e5a8beefcc249

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      7c944d2c34a8f8568e651b3d907b3704

      SHA1

      08f567850792251c07338b582d325fad7a046730

      SHA256

      f582f4efe12f7824c8d0c15e7669a7f8b19233564b5eb7acab6119145c092b0f

      SHA512

      f074eb1f2bfc6f94efe3de18a7e2d5780ab712378da92850b9f3d443e4f015fdffb8435f8b59713a423330436118c0f8580aec388ac27162f98f1201574e0ed5

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      0dcd77aa3e28266641bcdbc58d5c94c9

      SHA1

      c7fb02678c194955245a123627829786b6843955

      SHA256

      e2e745b417a0e203ab1761baadd6a6d66a540ebe3de7356dd90db1b439153172

      SHA512

      bf7e012b313de96c31030283add07d612433818238f2f335b20c1f7316839598b2cfc63872b5a90e2c75ea3c1d850751e469c5ea552ea22e2780e8906acb46f9

    • C:\Windows\windefender.exe

      Filesize

      2.0MB

      MD5

      8e67f58837092385dcf01e8a2b4f5783

      SHA1

      012c49cfd8c5d06795a6f67ea2baf2a082cf8625

      SHA256

      166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

      SHA512

      40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

    • memory/1488-89-0x00000000708D0000-0x0000000070C27000-memory.dmp

      Filesize

      3.3MB

    • memory/1488-88-0x0000000070750000-0x000000007079C000-memory.dmp

      Filesize

      304KB

    • memory/1516-231-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1516-200-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1516-212-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1516-215-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1516-219-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1516-224-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1516-228-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1516-235-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1516-240-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1516-244-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1516-247-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1572-37-0x0000000007FA0000-0x000000000861A000-memory.dmp

      Filesize

      6.5MB

    • memory/1572-5-0x00000000744E0000-0x0000000074C91000-memory.dmp

      Filesize

      7.7MB

    • memory/1572-41-0x00000000079C0000-0x00000000079D1000-memory.dmp

      Filesize

      68KB

    • memory/1572-42-0x0000000007A10000-0x0000000007A1E000-memory.dmp

      Filesize

      56KB

    • memory/1572-43-0x0000000007A20000-0x0000000007A35000-memory.dmp

      Filesize

      84KB

    • memory/1572-44-0x0000000007A70000-0x0000000007A8A000-memory.dmp

      Filesize

      104KB

    • memory/1572-45-0x0000000007A90000-0x0000000007A98000-memory.dmp

      Filesize

      32KB

    • memory/1572-48-0x00000000744E0000-0x0000000074C91000-memory.dmp

      Filesize

      7.7MB

    • memory/1572-4-0x0000000004EF0000-0x0000000004F26000-memory.dmp

      Filesize

      216KB

    • memory/1572-24-0x00000000077E0000-0x0000000007814000-memory.dmp

      Filesize

      208KB

    • memory/1572-23-0x0000000006960000-0x00000000069A6000-memory.dmp

      Filesize

      280KB

    • memory/1572-25-0x0000000070750000-0x000000007079C000-memory.dmp

      Filesize

      304KB

    • memory/1572-22-0x00000000063F0000-0x000000000643C000-memory.dmp

      Filesize

      304KB

    • memory/1572-21-0x00000000063B0000-0x00000000063CE000-memory.dmp

      Filesize

      120KB

    • memory/1572-20-0x0000000005EB0000-0x0000000006207000-memory.dmp

      Filesize

      3.3MB

    • memory/1572-9-0x0000000005D30000-0x0000000005D52000-memory.dmp

      Filesize

      136KB

    • memory/1572-6-0x0000000004F40000-0x0000000004F50000-memory.dmp

      Filesize

      64KB

    • memory/1572-7-0x0000000004F40000-0x0000000004F50000-memory.dmp

      Filesize

      64KB

    • memory/1572-39-0x00000000079A0000-0x00000000079AA000-memory.dmp

      Filesize

      40KB

    • memory/1572-38-0x0000000007960000-0x000000000797A000-memory.dmp

      Filesize

      104KB

    • memory/1572-8-0x0000000005580000-0x0000000005BAA000-memory.dmp

      Filesize

      6.2MB

    • memory/1572-36-0x0000000007840000-0x00000000078E4000-memory.dmp

      Filesize

      656KB

    • memory/1572-26-0x00000000708D0000-0x0000000070C27000-memory.dmp

      Filesize

      3.3MB

    • memory/1572-40-0x0000000007AB0000-0x0000000007B46000-memory.dmp

      Filesize

      600KB

    • memory/1572-35-0x0000000007820000-0x000000000783E000-memory.dmp

      Filesize

      120KB

    • memory/1572-10-0x0000000005DD0000-0x0000000005E36000-memory.dmp

      Filesize

      408KB

    • memory/1572-11-0x0000000005E40000-0x0000000005EA6000-memory.dmp

      Filesize

      408KB

    • memory/2344-98-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2344-127-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2412-185-0x00000000707F0000-0x0000000070B47000-memory.dmp

      Filesize

      3.3MB

    • memory/2412-184-0x0000000070670000-0x00000000706BC000-memory.dmp

      Filesize

      304KB

    • memory/2464-61-0x00000000709A0000-0x0000000070CF7000-memory.dmp

      Filesize

      3.3MB

    • memory/2464-72-0x0000000007370000-0x0000000007385000-memory.dmp

      Filesize

      84KB

    • memory/2464-71-0x0000000007320000-0x0000000007331000-memory.dmp

      Filesize

      68KB

    • memory/2464-70-0x0000000007000000-0x00000000070A4000-memory.dmp

      Filesize

      656KB

    • memory/2464-60-0x0000000070750000-0x000000007079C000-memory.dmp

      Filesize

      304KB

    • memory/2464-59-0x00000000058E0000-0x0000000005C37000-memory.dmp

      Filesize

      3.3MB

    • memory/2536-137-0x0000000070750000-0x000000007079C000-memory.dmp

      Filesize

      304KB

    • memory/2536-138-0x00000000708D0000-0x0000000070C27000-memory.dmp

      Filesize

      3.3MB

    • memory/3544-111-0x00000000708F0000-0x0000000070C47000-memory.dmp

      Filesize

      3.3MB

    • memory/3544-110-0x0000000070750000-0x000000007079C000-memory.dmp

      Filesize

      304KB

    • memory/3544-108-0x0000000006130000-0x0000000006487000-memory.dmp

      Filesize

      3.3MB

    • memory/3760-206-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/3760-211-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4208-73-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4208-1-0x0000000004C10000-0x000000000500A000-memory.dmp

      Filesize

      4.0MB

    • memory/4208-2-0x0000000005010000-0x00000000058FB000-memory.dmp

      Filesize

      8.9MB

    • memory/4208-3-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4208-49-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4208-74-0x0000000004C10000-0x000000000500A000-memory.dmp

      Filesize

      4.0MB

    • memory/4208-75-0x0000000005010000-0x00000000058FB000-memory.dmp

      Filesize

      8.9MB

    • memory/4216-223-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4216-216-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4216-209-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4884-169-0x0000000007B70000-0x0000000007C14000-memory.dmp

      Filesize

      656KB

    • memory/4884-158-0x0000000006940000-0x000000000698C000-memory.dmp

      Filesize

      304KB

    • memory/4884-156-0x00000000064B0000-0x0000000006807000-memory.dmp

      Filesize

      3.3MB

    • memory/4884-171-0x0000000006330000-0x0000000006345000-memory.dmp

      Filesize

      84KB

    • memory/4884-159-0x0000000070670000-0x00000000706BC000-memory.dmp

      Filesize

      304KB

    • memory/4884-170-0x0000000007F10000-0x0000000007F21000-memory.dmp

      Filesize

      68KB

    • memory/4884-160-0x00000000707F0000-0x0000000070B47000-memory.dmp

      Filesize

      3.3MB