Analysis
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max time kernel
89s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
18-10-2022 12:15
Behavioral task
behavioral1
Sample
C Programming A Modern Approach.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
C Programming A Modern Approach.pdf
Resource
win10v2004-20220812-en
General
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Target
C Programming A Modern Approach.pdf
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Size
134.1MB
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MD5
9e4e8348054897d3df8252ba30b4c4b6
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SHA1
99432626b586f51f1ee91cdd8a166f31ad3bcf6e
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SHA256
f5e7356762deb5eb584555be9b4d6fe0c8f67d482245f5e4512701efc873e1ab
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SHA512
a392d5b7714d09c68dfc8fb2470d6d9fa68e4fcf0c361d1c8a99d74a22c7722f18f34f216464e08cb7f24894499ffed2aee123fc14e19f8b9f17cb8b452b7e10
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SSDEEP
3145728:gGB++0ViRNadmNdpSbwWPip069aICgh2q+jQuNYk:gGkxViRN3v3WPqJoK2p0uKk
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
AcroRd32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 620 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe 620 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 620 wrote to memory of 5064 620 AcroRd32.exe RdrCEF.exe PID 620 wrote to memory of 5064 620 AcroRd32.exe RdrCEF.exe PID 620 wrote to memory of 5064 620 AcroRd32.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 4568 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe PID 5064 wrote to memory of 1648 5064 RdrCEF.exe RdrCEF.exe
Processes
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\C Programming A Modern Approach.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=36A091391773E5FF672D68BCF1ED4D66 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=26A58D14D9A6BD29ACC84EC86606203A --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=26A58D14D9A6BD29ACC84EC86606203A --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=F681F9E25D846DFFE822BA0C01A56173 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=F681F9E25D846DFFE822BA0C01A56173 --renderer-client-id=4 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job /prefetch:13⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=62D966AC6A00C33D4133EC7531A85FFF --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=6988C8A6EF9DD0B8881D1BA56B045AEE --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=3F212B456991775CBBF3FD0BB4581AE8 --mojo-platform-channel-handle=2496 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1648-140-0x0000000000000000-mapping.dmp
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memory/2568-153-0x0000000000000000-mapping.dmp
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memory/2732-145-0x0000000000000000-mapping.dmp
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memory/3528-156-0x0000000000000000-mapping.dmp
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memory/4372-150-0x0000000000000000-mapping.dmp
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memory/4568-137-0x0000000000000000-mapping.dmp
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memory/5064-135-0x0000000000000000-mapping.dmp