Analysis
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max time kernel
151s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
02-05-2022 19:26
Behavioral task
behavioral1
Sample
8cf90dc5508d5a8d20f93c125ea38a8a8c39a5bd6f4769f816b3832de1cc11ad.pdf
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
8cf90dc5508d5a8d20f93c125ea38a8a8c39a5bd6f4769f816b3832de1cc11ad.pdf
Resource
win10v2004-20220414-en
General
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Target
8cf90dc5508d5a8d20f93c125ea38a8a8c39a5bd6f4769f816b3832de1cc11ad.pdf
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Size
42KB
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MD5
ac3f185c7880514deb829960f4dbbe6f
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SHA1
34dff8a55566f987b0a3cbf88ed06f7a8532af14
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SHA256
8cf90dc5508d5a8d20f93c125ea38a8a8c39a5bd6f4769f816b3832de1cc11ad
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SHA512
8b5b8893b431cc1a2fe1fcd5a067f47e2358e811a63d5eb2031166130f9a939c4e6bbb9efdae01bf01d06dc29c3939ab50ac20b2131da8e81c734bea486ad82f
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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3576 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3576 AcroRd32.exe 3256 AdobeARM.exe 3576 AcroRd32.exe 3576 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3576 wrote to memory of 1624 3576 AcroRd32.exe RdrCEF.exe PID 3576 wrote to memory of 1624 3576 AcroRd32.exe RdrCEF.exe PID 3576 wrote to memory of 1624 3576 AcroRd32.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4344 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 RdrCEF.exe RdrCEF.exe PID 1624 wrote to memory of 4544 1624 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\8cf90dc5508d5a8d20f93c125ea38a8a8c39a5bd6f4769f816b3832de1cc11ad.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=807847CCD4B0B5E891CE2EF1D61F3C76 --mojo-platform-channel-handle=1748 --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=056AEA493EAFF9E761FBF5461835AD55 --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=056AEA493EAFF9E761FBF5461835AD55 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --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=FE1E7F14021FCFE6834C81D191B5E006 --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=FE1E7F14021FCFE6834C81D191B5E006 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --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=F5C151CF10C319EE71BC23DD11A9128B --mojo-platform-channel-handle=2564 --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=52AB33C78CEFEF33A3F724062746F012 --mojo-platform-channel-handle=2648 --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=C7A0FC796787E33CB1F9F34F2CD4A53A --mojo-platform-channel-handle=2544 --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⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/216-148-0x0000000000000000-mapping.dmp
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memory/1624-130-0x0000000000000000-mapping.dmp
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memory/2240-151-0x0000000000000000-mapping.dmp
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memory/2788-154-0x0000000000000000-mapping.dmp
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memory/2816-145-0x0000000000000000-mapping.dmp
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memory/3108-140-0x0000000000000000-mapping.dmp
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memory/3256-153-0x0000000000000000-mapping.dmp
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memory/4344-132-0x0000000000000000-mapping.dmp
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memory/4544-135-0x0000000000000000-mapping.dmp