Analysis
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max time kernel
115s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220331-en -
submitted
07-04-2022 15:23
Behavioral task
behavioral1
Sample
PO_test.pdf
Resource
win7-20220331-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PO_test.pdf
Resource
win10v2004-20220331-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
PO_test.pdf
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Size
10KB
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MD5
4256e1e499f112b8a244c044eafb3172
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SHA1
6434f9bb3da2645d31d036a4d23ecbf019eb82fb
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SHA256
706702db366ed118d571d75578e48c6ba1a77abf3cb8be52472184e4638c9971
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SHA512
6610c7d3030a2322f9e2593d7fc87b2766f6923e0398907c10799881f9c58ccf0ec601483afba8fd61de08ecad003c2ec56e54dc37b42254a23a728ab8e40c2c
Score
1/10
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-1-5-21-157025953-3125636059-437143553-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
AcroRd32.exepid process 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2368 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 2368 AcroRd32.exe 3104 AdobeARM.exe 2368 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2368 wrote to memory of 4800 2368 AcroRd32.exe RdrCEF.exe PID 2368 wrote to memory of 4800 2368 AcroRd32.exe RdrCEF.exe PID 2368 wrote to memory of 4800 2368 AcroRd32.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 2100 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 RdrCEF.exe RdrCEF.exe PID 4800 wrote to memory of 1464 4800 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\PO_test.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
PID:2368 -
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
PID:4800 -
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=FE7E09CA521B2D5D24CBEDD9B5C91E79 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2100
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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=60630CDF632CA5E3ABBADBBE0D4919AB --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=60630CDF632CA5E3ABBADBBE0D4919AB --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:1464
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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=C8E3CE684D4DA82F0A0497D0FA553A9F --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=C8E3CE684D4DA82F0A0497D0FA553A9F --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:13⤵PID:3512
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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=9F8A74752E9A393398FA8EA3BAEB9FBD --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4684
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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=6FBF02A8A44412E33DF5EF82E923A055 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:8
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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=2056536F3334E00A2AAEA7849E44044A --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4432
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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
PID:3104 -
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⤵PID:3668
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/8-142-0x0000000000000000-mapping.dmp
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memory/1464-129-0x0000000000000000-mapping.dmp
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memory/2100-126-0x0000000000000000-mapping.dmp
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memory/3104-147-0x0000000000000000-mapping.dmp
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memory/3512-134-0x0000000000000000-mapping.dmp
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memory/3668-148-0x0000000000000000-mapping.dmp
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memory/4432-145-0x0000000000000000-mapping.dmp
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memory/4684-139-0x0000000000000000-mapping.dmp
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memory/4800-124-0x0000000000000000-mapping.dmp