Analysis
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max time kernel
123s -
max time network
138s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
14-12-2021 05:00
Behavioral task
behavioral1
Sample
=?UTF-8?B?V09NIO2ajOyCrOyGjOqwnOyEnC5wZGY=?=.pdf
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
=?UTF-8?B?V09NIO2ajOyCrOyGjOqwnOyEnC5wZGY=?=.pdf
Resource
win10-en-20211208
General
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Target
=?UTF-8?B?V09NIO2ajOyCrOyGjOqwnOyEnC5wZGY=?=.pdf
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Size
11.4MB
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MD5
fa12c21a7088d99607ff9675a7e3871d
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SHA1
2a427fe08f3ee9b83bb3fefebf4d1a61f4522f2e
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SHA256
4148f9149925b21d200d6610df24fb8ee61dce4bd4b0c9296bd09bc11b3ebdcb
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SHA512
73ecdfb1ae24a8ea6460b4e53da1da6fd1cae2e7cf2d9eee15b15d8e5b2a806ae8450a8611418cbaa3dd835023e2f370a2ed82bc91768bceb22bc2f9a83fb7f7
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-1-5-21-369956170-74428499-1628131376-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
AcroRd32.exepid process 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3612 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe 3612 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3612 wrote to memory of 3908 3612 AcroRd32.exe RdrCEF.exe PID 3612 wrote to memory of 3908 3612 AcroRd32.exe RdrCEF.exe PID 3612 wrote to memory of 3908 3612 AcroRd32.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4336 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 RdrCEF.exe RdrCEF.exe PID 3908 wrote to memory of 4320 3908 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\=_UTF-8_B_V09NIO2ajOyCrOyGjOqwnOyEnC5wZGY=_=.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=1C6B3FBBB5956EB31AEDFC4213F3E5D0 --mojo-platform-channel-handle=1628 --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=BDD8B7517418F6CA67B795AA6E11BADD --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=BDD8B7517418F6CA67B795AA6E11BADD --renderer-client-id=2 --mojo-platform-channel-handle=1648 --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=6F481704EF304EB022929897774A62CF --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=6F481704EF304EB022929897774A62CF --renderer-client-id=4 --mojo-platform-channel-handle=2228 --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=F9AFA31F32D356BCE9A170C30100EECF --mojo-platform-channel-handle=2584 --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=2CF6027765DC7F1E288B05C197F38330 --mojo-platform-channel-handle=1916 --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=40EAAFA8DC86A786F22262B8A2A6C3FB --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/920-132-0x0000000077C32000-0x0000000077C33000-memory.dmpFilesize
4KB
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memory/920-134-0x0000000000000000-mapping.dmp
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memory/920-133-0x0000000001580000-0x0000000001581000-memory.dmpFilesize
4KB
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memory/1376-138-0x0000000000000000-mapping.dmp
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memory/1376-137-0x000000000158D000-0x000000000158E000-memory.dmpFilesize
4KB
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memory/1960-142-0x0000000000000000-mapping.dmp
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memory/1960-141-0x0000000001589000-0x000000000158A000-memory.dmpFilesize
4KB
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memory/1960-140-0x0000000077C32000-0x0000000077C33000-memory.dmpFilesize
4KB
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memory/3192-127-0x0000000001584000-0x0000000001585000-memory.dmpFilesize
4KB
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memory/3192-128-0x0000000000000000-mapping.dmp
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memory/3192-126-0x0000000077C32000-0x0000000077C33000-memory.dmpFilesize
4KB
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memory/3908-115-0x0000000000000000-mapping.dmp
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memory/4320-125-0x0000000000690000-0x0000000000691000-memory.dmpFilesize
4KB
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memory/4320-124-0x0000000000100000-0x0000000000101000-memory.dmpFilesize
4KB
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memory/4320-119-0x0000000077C32000-0x0000000077C33000-memory.dmpFilesize
4KB
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memory/4320-122-0x0000000000000000-mapping.dmp
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memory/4320-120-0x00000000005A9000-0x00000000005AA000-memory.dmpFilesize
4KB
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memory/4336-116-0x0000000077C32000-0x0000000077C33000-memory.dmpFilesize
4KB
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memory/4336-117-0x000000000158D000-0x000000000158E000-memory.dmpFilesize
4KB
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memory/4336-118-0x0000000000000000-mapping.dmp
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memory/4336-121-0x00000000011B0000-0x00000000011B1000-memory.dmpFilesize
4KB