Analysis
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max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
05-05-2021 13:59
Static task
static1
Behavioral task
behavioral1
Sample
question-05.05.2021.doc
Resource
win7v20210408
Behavioral task
behavioral2
Sample
question-05.05.2021.doc
Resource
win10v20210410
General
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Target
question-05.05.2021.doc
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Size
75KB
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MD5
6c370b8f07776a4a7462d9ff4ba7aece
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SHA1
99eec29455a6128487658cc61f8958ea0abc59e1
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SHA256
e4240ae536d61ae5651e609e7f80910a9247769fc3b69045b0725af23fb3cb59
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SHA512
37a14b12a3cd5412efaa4cd3f75d915710faf99d48dcb4f1718e64ff485028d3a15238f17f34be17078fa684873f8968c20fae05edf8820149704b530e7af28f
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 968 1976 rundll32.exe WINWORD.EXE -
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Office loads VBA resources, possible macro or embedded object present
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Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE -
Modifies registry class 64 IoCs
Processes:
WINWORD.EXEdescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74382FE4-C6F3-4F32-9E3C-0C7FBBAF7030}\2.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VBE\\MSForms.exd" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF}\ = "Controls" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{9A4BBF53-4E46-101B-8BBD-00AA003E3B29} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{A38BFFC3-A5A0-11CE-8107-00AA00611080} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{92E11A03-7358-11CE-80CB-00AA00611080} WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74382FE4-C6F3-4F32-9E3C-0C7FBBAF7030}\2.0\FLAGS\ = "6" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{04598FC4-866C-11CF-AB7C-00AA00C08FCF}\ = "ICommandButton" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8BD21D22-EC42-11CE-9E0D-00AA006002F3}\ = "MdcListEvents" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8A683C90-BA84-11CF-8110-00A0C9030074}\ = "IReturnSingle" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8A683C91-BA84-11CF-8110-00A0C9030074} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{CF3F94A0-F546-11CE-9BCE-00AA00608E01} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8BD21D13-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcText" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{79176FB3-B7F2-11CE-97EF-00AA006D2776}\ = "ISpinbutton" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{5512D115-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLReset" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{EC72F590-F375-11CE-B9E8-00AA006B1A69}\ = "IDataAutoWrapper" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{8BD21D33-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8BD21D63-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{5512D113-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLImage" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{5512D115-5CC6-11CF-8D67-00AA00BDCE1D} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{82B02372-B5BC-11CF-810F-00A0C9030074} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{04598FC2-866C-11CF-AB7C-00AA00C08FCF}\ = "ITabStrip" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{04598FC4-866C-11CF-AB7C-00AA00C08FCF}\ = "ICommandButton" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{5512D111-5CC6-11CF-8D67-00AA00BDCE1D} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{5512D113-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLImage" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLCheckbox" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{8BD21D42-EC42-11CE-9E0D-00AA006002F3}\ = "MdcCheckBoxEvents" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{796ED650-5FE9-11CF-8D68-00AA00BDCE1D}\ = "WHTMLControlEvents" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8BD21D52-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{47FF8FE2-6198-11CF-8CE8-00AA006CB389} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\TypeLib\{74382FE4-C6F3-4F32-9E3C-0C7FBBAF7030}\2.0\FLAGS\ = "6" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{82B02370-B5BC-11CF-810F-00A0C9030074} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{8A683C90-BA84-11CF-8110-00A0C9030074}\ = "IReturnSingle" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{5B9D8FC8-4A71-101B-97A6-00000B65C08B} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLHidden" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{5512D125-5CC6-11CF-8D67-00AA00BDCE1D} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{47FF8FE8-6198-11CF-8CE8-00AA006CB389} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{04598FC4-866C-11CF-AB7C-00AA00C08FCF} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{7B020EC2-AF6C-11CE-9F46-00AA00574A4F} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{79176FB2-B7F2-11CE-97EF-00AA006D2776} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{04598FC9-866C-11CF-AB7C-00AA00C08FCF}\ = "IMultiPage" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{82B02370-B5BC-11CF-810F-00A0C9030074}\ = "IReturnInteger" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8BD21D43-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcCheckBox" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{5512D11B-5CC6-11CF-8D67-00AA00BDCE1D} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLHidden" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{47FF8FE0-6198-11CF-8CE8-00AA006CB389} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{47FF8FE3-6198-11CF-8CE8-00AA006CB389} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{79176FB3-B7F2-11CE-97EF-00AA006D2776} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{47FF8FE6-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents7" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8A683C90-BA84-11CF-8110-00A0C9030074} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{47FF8FE1-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents2" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8BD21D13-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{92E11A03-7358-11CE-80CB-00AA00611080} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{04598FC9-866C-11CF-AB7C-00AA00C08FCF}\ = "IMultiPage" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{BEF6E003-A874-101A-8BBA-00AA00300CAB} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{EC72F590-F375-11CE-B9E8-00AA006B1A69}\ = "IDataAutoWrapper" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{8BD21D23-EC42-11CE-9E0D-00AA006002F3} WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{5512D111-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLSubmitButton" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Wow6432Node\Interface\{978C9E22-D4B0-11CE-BF2D-00AA003F40D0} WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Interface\{47FF8FE4-6198-11CF-8CE8-00AA006CB389} WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1820 WINWORD.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
WINWORD.EXEpid process 1820 WINWORD.EXE 1820 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 18 IoCs
Processes:
WINWORD.EXEWINWORD.EXEpid process 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1820 WINWORD.EXE 1976 WINWORD.EXE 1976 WINWORD.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
WINWORD.EXEWINWORD.EXEdescription pid process target process PID 1976 wrote to memory of 968 1976 WINWORD.EXE rundll32.exe PID 1976 wrote to memory of 968 1976 WINWORD.EXE rundll32.exe PID 1976 wrote to memory of 968 1976 WINWORD.EXE rundll32.exe PID 1976 wrote to memory of 968 1976 WINWORD.EXE rundll32.exe PID 1976 wrote to memory of 968 1976 WINWORD.EXE rundll32.exe PID 1976 wrote to memory of 968 1976 WINWORD.EXE rundll32.exe PID 1976 wrote to memory of 968 1976 WINWORD.EXE rundll32.exe PID 1820 wrote to memory of 1556 1820 WINWORD.EXE splwow64.exe PID 1820 wrote to memory of 1556 1820 WINWORD.EXE splwow64.exe PID 1820 wrote to memory of 1556 1820 WINWORD.EXE splwow64.exe PID 1820 wrote to memory of 1556 1820 WINWORD.EXE splwow64.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\question-05.05.2021.doc"1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:1556
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /Automation -Embedding1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\rundll32.exerundll32 c:\programdata\procTextboxWindow.jpg,PluginInit2⤵
- Process spawned unexpected child process
PID:968
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Office\MSO1033.aclMD5
3d1afd85dabd6f7cf80842f30a32f459
SHA1bc22ff295fb03f5a3d46c152201c141da5014369
SHA256997b25bf2937cab797c6cce86335df7e425e4a1f441e6fdf9489a0ef75180ea7
SHA5126f5d624a98938fe0b589def994f4d86a668ccae830c2a323fa54bde36e56000a87949e1558d21b88394b8969eb251faf3f7afcbbc77177f149623c71a015cf94
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\??\c:\programdata\procTextboxWindow.jpgMD5
739487ae0d2783ca47b8a06219797949
SHA16ab41ed753c5bdb61a63631d3189949b2eb7059e
SHA25607fbfc6d8fd92848cac1c1ae0435306d3a688e8cd5d91cffa35147a823a3e283
SHA5121cbf5a73493138388ef7271914090b5239c65733fee62fb83d138af5d2cfca17b4b611986896209d2141a004e434cb0aadf685cbad7fa157ce83aa1fc7c2cc87
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memory/968-68-0x0000000000000000-mapping.dmp
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memory/968-69-0x0000000076641000-0x0000000076643000-memory.dmpFilesize
8KB
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memory/1556-72-0x0000000000000000-mapping.dmp
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memory/1556-73-0x000007FEFBED1000-0x000007FEFBED3000-memory.dmpFilesize
8KB
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memory/1820-60-0x00000000729D1000-0x00000000729D4000-memory.dmpFilesize
12KB
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memory/1820-61-0x0000000070451000-0x0000000070453000-memory.dmpFilesize
8KB
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memory/1820-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1820-63-0x0000000005C00000-0x000000000684A000-memory.dmpFilesize
12.3MB
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memory/1976-71-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB