Analysis
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max time kernel
82s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
17-10-2022 17:37
Behavioral task
behavioral1
Sample
74db3df3985409c027dd7cc4ed5af2d778e19b4cbd92b4767168f089c8819d39.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
74db3df3985409c027dd7cc4ed5af2d778e19b4cbd92b4767168f089c8819d39.pdf
Resource
win10v2004-20220812-en
General
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Target
74db3df3985409c027dd7cc4ed5af2d778e19b4cbd92b4767168f089c8819d39.pdf
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Size
192KB
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MD5
76a223b7691887a3ca8e6ce787fd7580
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SHA1
f725c03be7791b40df4bbab305d9b0a5b54ef18f
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SHA256
74db3df3985409c027dd7cc4ed5af2d778e19b4cbd92b4767168f089c8819d39
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SHA512
3be8fbff19c910d3e38caa38389420fb82b3d5bda34e11d45bdbf1672740dd8b6062a75bfcff8f75161669c647ecfda747c5de5f5b55564ed069298de1ec9f6e
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SSDEEP
6144:f3tGpEVGuBYNGSO77xdEr02uKfZQA5m/X:f3tLVGuCQScx2VfZQh/X
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 804 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe 804 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 804 wrote to memory of 4636 804 AcroRd32.exe RdrCEF.exe PID 804 wrote to memory of 4636 804 AcroRd32.exe RdrCEF.exe PID 804 wrote to memory of 4636 804 AcroRd32.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 2144 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 RdrCEF.exe RdrCEF.exe PID 4636 wrote to memory of 4312 4636 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\74db3df3985409c027dd7cc4ed5af2d778e19b4cbd92b4767168f089c8819d39.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=EC504B129F07BBA522844AFB617B8BFF --mojo-platform-channel-handle=1736 --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=CA3AB1795446D660AE2037791C833682 --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=CA3AB1795446D660AE2037791C833682 --renderer-client-id=2 --mojo-platform-channel-handle=1728 --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=133723B9F33E6DA51BDC6E866D73BAC6 --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=133723B9F33E6DA51BDC6E866D73BAC6 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --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=5E7E3E702467A12271249E3F5CA6FFD4 --mojo-platform-channel-handle=2296 --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=ED60B364C2B20A1A9E7F2218535A3E82 --mojo-platform-channel-handle=2552 --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=41400AFC7513062D5F80BFEE7E2ACF40 --mojo-platform-channel-handle=1740 --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
Loading Replay Monitor...
Downloads
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memory/748-150-0x0000000000000000-mapping.dmp
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memory/1412-153-0x0000000000000000-mapping.dmp
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memory/2144-134-0x0000000000000000-mapping.dmp
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memory/2304-147-0x0000000000000000-mapping.dmp
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memory/4312-137-0x0000000000000000-mapping.dmp
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memory/4348-142-0x0000000000000000-mapping.dmp
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memory/4636-132-0x0000000000000000-mapping.dmp