Analysis
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max time kernel
376s -
max time network
511s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2022 00:11
Behavioral task
behavioral1
Sample
2022_l_e_criture.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
2022_l_e_criture.pdf
Resource
win10v2004-20220812-en
General
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Target
2022_l_e_criture.pdf
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Size
680KB
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MD5
06b01d782afc541878c2f3999a322b20
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SHA1
e7bfcd782eaa858aabb71656915a002d59d13bde
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SHA256
6ea3460bd72c4ee3cac091851c6a52321a794d41ae43c65349583081269a007b
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SHA512
7e9c8e6b984e3f6eae5cd8466a52ee569ae90ea96350e8de28393cbbc22ed7887592e66f629f7ace406d1cd1ad3a5f52072032a6cc4b04bc441d3de33943b93b
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SSDEEP
12288:fmnCAJ2YG9Ak0F8TtXlGw9idMhJYz7vN8gt5m0mdagyEYA3hujrCiIhUfQNd6sTB:fE/wd9AGpX39iiM8Q5o6ElTNfB
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2116 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe 2116 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2116 wrote to memory of 4164 2116 AcroRd32.exe RdrCEF.exe PID 2116 wrote to memory of 4164 2116 AcroRd32.exe RdrCEF.exe PID 2116 wrote to memory of 4164 2116 AcroRd32.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4568 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 RdrCEF.exe RdrCEF.exe PID 4164 wrote to memory of 4508 4164 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\2022_l_e_criture.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=B918FD888E9E859A31F27CEA9C315097 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=049391AD6C63D16D38ACA77E044988D6 --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=049391AD6C63D16D38ACA77E044988D6 --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=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=57C58989A732FA785256AC967E0FE924 --mojo-platform-channel-handle=2312 --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=9BF203F57C03640A253AFF44854C9301 --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=9BF203F57C03640A253AFF44854C9301 --renderer-client-id=5 --mojo-platform-channel-handle=2036 --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=A3FF440300B8F84EB0A8FD12ADDF3C8D --mojo-platform-channel-handle=1940 --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=7F7F3B2BD38C6D03EA6EE06ECBEBD291 --mojo-platform-channel-handle=2328 --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/216-153-0x0000000000000000-mapping.dmp
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memory/1328-145-0x0000000000000000-mapping.dmp
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memory/1796-142-0x0000000000000000-mapping.dmp
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memory/2460-150-0x0000000000000000-mapping.dmp
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memory/4164-132-0x0000000000000000-mapping.dmp
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memory/4508-137-0x0000000000000000-mapping.dmp
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memory/4568-134-0x0000000000000000-mapping.dmp