Analysis
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max time kernel
137s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 07:07
Behavioral task
behavioral1
Sample
a99f7f2c9b13bb0ac63e28ac23e197c660b2312da9974100ab9ae28f9bedf2a5.pdf
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
a99f7f2c9b13bb0ac63e28ac23e197c660b2312da9974100ab9ae28f9bedf2a5.pdf
Resource
win10v2004-20220414-en
General
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Target
a99f7f2c9b13bb0ac63e28ac23e197c660b2312da9974100ab9ae28f9bedf2a5.pdf
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Size
377KB
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MD5
d39bf7a2f66c833b50741e980e428f1e
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SHA1
ca4da1e98fec2cccceceb5477aa62d2cc19e3488
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SHA256
a99f7f2c9b13bb0ac63e28ac23e197c660b2312da9974100ab9ae28f9bedf2a5
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SHA512
cdb4b985ccd9a718d2e0fabe7b5096948bf4aabb13cb2f2e3e2b0a16941a5f0de9d64e01198fe8a8db2e079875370e1bf67bff8889be73c8c98da159462b43a0
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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
AcroRd32.exepid process 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2832 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 2832 AcroRd32.exe 1492 AdobeARM.exe 2832 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2832 wrote to memory of 4512 2832 AcroRd32.exe RdrCEF.exe PID 2832 wrote to memory of 4512 2832 AcroRd32.exe RdrCEF.exe PID 2832 wrote to memory of 4512 2832 AcroRd32.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 1032 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 RdrCEF.exe RdrCEF.exe PID 4512 wrote to memory of 4556 4512 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\a99f7f2c9b13bb0ac63e28ac23e197c660b2312da9974100ab9ae28f9bedf2a5.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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=929A0B91C5FBF754C674E28D07BE173C --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=929A0B91C5FBF754C674E28D07BE173C --renderer-client-id=2 --mojo-platform-channel-handle=1744 --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=315C1EBA96E6A29CE106864122C8743D --mojo-platform-channel-handle=1752 --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=25F40B9E9A3E0C6CECC7F6D10942D800 --mojo-platform-channel-handle=2308 --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=9E4DC1DDD1E4F0FCECE6BF373FB0D22A --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=9E4DC1DDD1E4F0FCECE6BF373FB0D22A --renderer-client-id=5 --mojo-platform-channel-handle=2004 --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=4665335FC725BCA96F2F5446C14D71CF --mojo-platform-channel-handle=2572 --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=CB7B3CBC4F575A11FED8E81A9CFAD2C4 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe"C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:19.0 /MODE:32⤵
- Suspicious use of SetWindowsHookEx
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"3⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/112-143-0x0000000000000000-mapping.dmp
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memory/1032-132-0x0000000000000000-mapping.dmp
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memory/1492-153-0x0000000000000000-mapping.dmp
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memory/1920-148-0x0000000000000000-mapping.dmp
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memory/3688-151-0x0000000000000000-mapping.dmp
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memory/4356-154-0x0000000000000000-mapping.dmp
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memory/4512-130-0x0000000000000000-mapping.dmp
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memory/4556-137-0x0000000000000000-mapping.dmp
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memory/4940-140-0x0000000000000000-mapping.dmp