Analysis
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max time kernel
85s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2022 11:49
Behavioral task
behavioral1
Sample
PPT/Writing_Argument _LYL.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
PPT/Writing_Argument _LYL.pdf
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
PPT/Writing_Issue_LYL.pdf
Resource
win7-20220901-en
Behavioral task
behavioral4
Sample
PPT/Writing_Issue_LYL.pdf
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
PPT/Writing_Language_LYL.pdf
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
PPT/Writing_Language_LYL.pdf
Resource
win10v2004-20220812-en
General
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Target
PPT/Writing_Language_LYL.pdf
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Size
1.7MB
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MD5
2482b1d078043a279bc8916c55e17745
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SHA1
3a20712e33affa12acbe692f32d4e54932cde580
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SHA256
ec2a47d5ab26532d959ab6e742cf6935c573ffdf044969c2a2fbc746190ff09d
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SHA512
0426c1c2c7f084b88b48addd7a1038d40a280591814b0d51d7e1be0c4e7096d6d06993b70d5372710d31be626e17074d7108d0004c47295c9037853efd53e367
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SSDEEP
24576:usEb1dnGJuXn6QwVMvgxyhZgTzanRsn0vbaO0ruD:u9n6QwSY1SFv0KD
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4988 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4988 wrote to memory of 3392 4988 AcroRd32.exe RdrCEF.exe PID 4988 wrote to memory of 3392 4988 AcroRd32.exe RdrCEF.exe PID 4988 wrote to memory of 3392 4988 AcroRd32.exe RdrCEF.exe PID 4988 wrote to memory of 2376 4988 AcroRd32.exe RdrCEF.exe PID 4988 wrote to memory of 2376 4988 AcroRd32.exe RdrCEF.exe PID 4988 wrote to memory of 2376 4988 AcroRd32.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 756 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 RdrCEF.exe RdrCEF.exe PID 3392 wrote to memory of 4608 3392 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\PPT\Writing_Language_LYL.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=BDBE025B357312C6386D8578B83EDC8E --mojo-platform-channel-handle=1756 --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=9D7C6D176CF65F80CFB60BF3FA67A699 --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=9D7C6D176CF65F80CFB60BF3FA67A699 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --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=745357593378806F6D1C5CC768702C53 --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=745357593378806F6D1C5CC768702C53 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --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=99A7E55361DF1E150EC2C3B41F49D60F --mojo-platform-channel-handle=2560 --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=BD6A4FB08209E323D3358048DAFA868B --mojo-platform-channel-handle=1868 --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=1F6865A84BE4ADAC6E6105459F3E5B4F --mojo-platform-channel-handle=1852 --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" --backgroundcolor=165140432⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/756-135-0x0000000000000000-mapping.dmp
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memory/904-151-0x0000000000000000-mapping.dmp
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memory/928-143-0x0000000000000000-mapping.dmp
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memory/1612-154-0x0000000000000000-mapping.dmp
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memory/2376-133-0x0000000000000000-mapping.dmp
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memory/2988-148-0x0000000000000000-mapping.dmp
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memory/3392-132-0x0000000000000000-mapping.dmp
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memory/4608-138-0x0000000000000000-mapping.dmp