Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-05-2024 23:48

General

  • Target

    d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe

  • Size

    4.1MB

  • MD5

    de2b765314032379ea393599285c4cc1

  • SHA1

    227a09fc69a27690e4069776e3ef15a6445bb475

  • SHA256

    d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372

  • SHA512

    e886457f8e513cb919edec5176e1490495eff9265eead7782d42485f982cd60c218747db7ffea867555032d0c7610f862eda6aba84c83e20f94c0ed133d5babe

  • SSDEEP

    98304:ZqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUs:ZqqJgO7W9SnJ3gf8jHXKH

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 19 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 6 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

    Using powershell.exe command.

  • 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 11 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\d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe
    "C:\Users\Admin\AppData\Local\Temp\d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3244
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:684
    • C:\Users\Admin\AppData\Local\Temp\d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.exe
      "C:\Users\Admin\AppData\Local\Temp\d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372.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:1832
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3876
      • 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:1572
        • 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:3112
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2180
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2528
      • 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:3992
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2580
        • 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:100
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:212
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5116
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            PID:4288
          • 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:3680
          • 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:1908
          • C:\Windows\windefender.exe
            "C:\Windows\windefender.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4652
            • 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:4500
              • 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:1640
    • C:\Windows\windefender.exe
      C:\Windows\windefender.exe
      1⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      PID:1472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p412tgdr.gut.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

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

      Filesize

      19KB

      MD5

      552c26857b6c960ddb2df86687815f94

      SHA1

      377082f04dcf31b76a2f4beca21a90a2658b875b

      SHA256

      d4dc9d0b2f5225466344735f048d1db0d6217ac68cdf76d97c31d5cba3a36955

      SHA512

      ea77868dd71b1c9d1cdb26a67988eb8d8f5be8c50c0fb9d411a949ae8df67c2cc0e0c70f2dcaa8ee95d8c361e54b51b936bdf829175b34e24fd17cffe6ea5a20

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

      Filesize

      19KB

      MD5

      b201025a3e86017a6e6037d3eeb045f4

      SHA1

      e1677546cb4dafaf752adbfb313d4ed88993952c

      SHA256

      be71dce2d2e6a8bb21231bd831761cb0d38a1eec9e6812a471b57fa2058ba132

      SHA512

      85356c4487a14edd82e9120fc08faae2bc3a2923bd5f307bce28cb85fb6b4cba23ac984d7baa07f7f5a10016b8d0c5143f715a619fac62da02adbf26a096d71d

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

      Filesize

      19KB

      MD5

      eed0bba97979ea7d5d5b9eceae7e0441

      SHA1

      6864e476adf7a8ff221c11080a58f8dccbef729b

      SHA256

      8f284178a862d0c826b8e1212f696705c5c8b0ef894bb77d2ebcf05ae652d001

      SHA512

      4d984b44dac4e80789d25e4216d62575ca296cb45fe71bb6e8f1cf39b51567285575f473311f0def58ec4059b860cec94053a11b6838592928070f52a004bb0a

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

      Filesize

      19KB

      MD5

      2d9631f1cdd15ebf094f32aa66f57d4d

      SHA1

      3befccb26b114445c283c666ed12564ffcae6098

      SHA256

      bf0af391acea015dabed5223e2973d65b3d8fe14d63458ae5aad11881558055a

      SHA512

      ffab344d2fd87ec0eb64178b266ba51049d8aec4a172840a1ef8c9c1b1b0ed070272ddae68eec14eb57dc4af60548a58458ecbd7cc2b873dba9da41a42fa2952

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      de2b765314032379ea393599285c4cc1

      SHA1

      227a09fc69a27690e4069776e3ef15a6445bb475

      SHA256

      d45bfb82e0a02b8e68bd0ea9dc62fe74959087346ae09d329d9e120961c90372

      SHA512

      e886457f8e513cb919edec5176e1490495eff9265eead7782d42485f982cd60c218747db7ffea867555032d0c7610f862eda6aba84c83e20f94c0ed133d5babe

    • C:\Windows\windefender.exe

      Filesize

      2.0MB

      MD5

      8e67f58837092385dcf01e8a2b4f5783

      SHA1

      012c49cfd8c5d06795a6f67ea2baf2a082cf8625

      SHA256

      166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

      SHA512

      40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

    • memory/684-30-0x0000000070790000-0x0000000070AE4000-memory.dmp

      Filesize

      3.3MB

    • memory/684-44-0x00000000073B0000-0x00000000073BA000-memory.dmp

      Filesize

      40KB

    • memory/684-11-0x00000000056B0000-0x0000000005716000-memory.dmp

      Filesize

      408KB

    • memory/684-21-0x0000000005720000-0x0000000005A74000-memory.dmp

      Filesize

      3.3MB

    • memory/684-22-0x0000000005CD0000-0x0000000005CEE000-memory.dmp

      Filesize

      120KB

    • memory/684-23-0x0000000005D30000-0x0000000005D7C000-memory.dmp

      Filesize

      304KB

    • memory/684-24-0x0000000006230000-0x0000000006274000-memory.dmp

      Filesize

      272KB

    • memory/684-25-0x0000000007000000-0x0000000007076000-memory.dmp

      Filesize

      472KB

    • memory/684-26-0x0000000007700000-0x0000000007D7A000-memory.dmp

      Filesize

      6.5MB

    • memory/684-27-0x00000000070A0000-0x00000000070BA000-memory.dmp

      Filesize

      104KB

    • memory/684-29-0x0000000070610000-0x000000007065C000-memory.dmp

      Filesize

      304KB

    • memory/684-9-0x0000000074770000-0x0000000074F20000-memory.dmp

      Filesize

      7.7MB

    • memory/684-40-0x00000000072A0000-0x00000000072BE000-memory.dmp

      Filesize

      120KB

    • memory/684-28-0x0000000007260000-0x0000000007292000-memory.dmp

      Filesize

      200KB

    • memory/684-42-0x00000000072C0000-0x0000000007363000-memory.dmp

      Filesize

      652KB

    • memory/684-43-0x0000000074770000-0x0000000074F20000-memory.dmp

      Filesize

      7.7MB

    • memory/684-41-0x0000000074770000-0x0000000074F20000-memory.dmp

      Filesize

      7.7MB

    • memory/684-10-0x0000000005640000-0x00000000056A6000-memory.dmp

      Filesize

      408KB

    • memory/684-45-0x00000000074C0000-0x0000000007556000-memory.dmp

      Filesize

      600KB

    • memory/684-46-0x00000000073C0000-0x00000000073D1000-memory.dmp

      Filesize

      68KB

    • memory/684-47-0x0000000007430000-0x000000000743E000-memory.dmp

      Filesize

      56KB

    • memory/684-48-0x0000000007440000-0x0000000007454000-memory.dmp

      Filesize

      80KB

    • memory/684-49-0x0000000007490000-0x00000000074AA000-memory.dmp

      Filesize

      104KB

    • memory/684-50-0x0000000007480000-0x0000000007488000-memory.dmp

      Filesize

      32KB

    • memory/684-53-0x0000000074770000-0x0000000074F20000-memory.dmp

      Filesize

      7.7MB

    • memory/684-4-0x000000007477E000-0x000000007477F000-memory.dmp

      Filesize

      4KB

    • memory/684-8-0x0000000004D40000-0x0000000004D62000-memory.dmp

      Filesize

      136KB

    • memory/684-6-0x0000000074770000-0x0000000074F20000-memory.dmp

      Filesize

      7.7MB

    • memory/684-7-0x0000000004DA0000-0x00000000053C8000-memory.dmp

      Filesize

      6.2MB

    • memory/684-5-0x0000000004730000-0x0000000004766000-memory.dmp

      Filesize

      216KB

    • memory/1472-205-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/1472-210-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/1472-220-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/1832-131-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2180-91-0x0000000005600000-0x0000000005954000-memory.dmp

      Filesize

      3.3MB

    • memory/2180-94-0x0000000070DB0000-0x0000000071104000-memory.dmp

      Filesize

      3.3MB

    • memory/2180-93-0x0000000070610000-0x000000007065C000-memory.dmp

      Filesize

      304KB

    • memory/2528-116-0x0000000070610000-0x000000007065C000-memory.dmp

      Filesize

      304KB

    • memory/2528-117-0x0000000070D90000-0x00000000710E4000-memory.dmp

      Filesize

      3.3MB

    • memory/2580-143-0x0000000005A20000-0x0000000005D74000-memory.dmp

      Filesize

      3.3MB

    • memory/2580-148-0x00000000707B0000-0x0000000070B04000-memory.dmp

      Filesize

      3.3MB

    • memory/2580-147-0x0000000070610000-0x000000007065C000-memory.dmp

      Filesize

      304KB

    • memory/3244-146-0x0000000004BB0000-0x000000000549B000-memory.dmp

      Filesize

      8.9MB

    • memory/3244-145-0x00000000047B0000-0x0000000004BAE000-memory.dmp

      Filesize

      4.0MB

    • memory/3244-187-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3244-1-0x00000000047B0000-0x0000000004BAE000-memory.dmp

      Filesize

      4.0MB

    • memory/3244-2-0x0000000004BB0000-0x000000000549B000-memory.dmp

      Filesize

      8.9MB

    • memory/3244-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3244-104-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3876-77-0x00000000071B0000-0x00000000071C1000-memory.dmp

      Filesize

      68KB

    • memory/3876-78-0x0000000007200000-0x0000000007214000-memory.dmp

      Filesize

      80KB

    • memory/3876-76-0x0000000006E90000-0x0000000006F33000-memory.dmp

      Filesize

      652KB

    • memory/3876-55-0x00000000056B0000-0x0000000005A04000-memory.dmp

      Filesize

      3.3MB

    • memory/3876-65-0x0000000070610000-0x000000007065C000-memory.dmp

      Filesize

      304KB

    • memory/3876-66-0x0000000070D90000-0x00000000710E4000-memory.dmp

      Filesize

      3.3MB

    • memory/3992-207-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-214-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-234-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-193-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-231-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-229-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-226-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-202-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-223-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-204-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-219-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-216-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3992-211-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4652-201-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4652-198-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/5116-170-0x0000000006A90000-0x0000000006ADC000-memory.dmp

      Filesize

      304KB

    • memory/5116-165-0x0000000006230000-0x0000000006584000-memory.dmp

      Filesize

      3.3MB

    • memory/5116-171-0x0000000070530000-0x000000007057C000-memory.dmp

      Filesize

      304KB

    • memory/5116-172-0x00000000706D0000-0x0000000070A24000-memory.dmp

      Filesize

      3.3MB

    • memory/5116-184-0x00000000065F0000-0x0000000006604000-memory.dmp

      Filesize

      80KB

    • memory/5116-182-0x0000000007A70000-0x0000000007B13000-memory.dmp

      Filesize

      652KB

    • memory/5116-183-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

      Filesize

      68KB