Analysis
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max time kernel
126s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220331-en -
submitted
12-04-2022 00:20
Behavioral task
behavioral1
Sample
Hello Dear.pdf
Resource
win7-20220311-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Hello Dear.pdf
Resource
win10v2004-20220331-en
0 signatures
0 seconds
General
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Target
Hello Dear.pdf
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Size
233KB
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MD5
34e8ff6bcba7aac1bdbad32ce3a7e0a1
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SHA1
ab2dea7ce443927d372cb589be0e2f14d6a40d1e
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SHA256
80513a633a18499d7d3d1c000d449a098ac7768d9dff8ac4f18018e3bb9d5fbf
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SHA512
49cf1846760d6a764bdb83e7afe2fda31c951d261744cc01dfab7f663311fd48dc300407a7f22bc1cbc17df0650a56470f4143d09e7658a663713615559d1533
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 22 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 2192 AdobeARM.exe 2192 AdobeARM.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4452 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 4452 AcroRd32.exe 2192 AdobeARM.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4452 wrote to memory of 4348 4452 AcroRd32.exe RdrCEF.exe PID 4452 wrote to memory of 4348 4452 AcroRd32.exe RdrCEF.exe PID 4452 wrote to memory of 4348 4452 AcroRd32.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2284 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 RdrCEF.exe RdrCEF.exe PID 4348 wrote to memory of 2020 4348 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\Hello Dear.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=F11111AF1EC24B10026886C19CB64890 --mojo-platform-channel-handle=1724 --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=FF8EE31A322A2BD6CE767B4A7E46C5B6 --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=FF8EE31A322A2BD6CE767B4A7E46C5B6 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --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=03AFB228C15BEEE33F2D352376044A78 --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=03AFB228C15BEEE33F2D352376044A78 --renderer-client-id=4 --mojo-platform-channel-handle=2152 --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=4DED0C8BBAC3D36D6A19CF7477305910 --mojo-platform-channel-handle=2416 --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=2C9D610C27DB178BC80608049CA8F895 --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=22ABDAD59067620F1E0D96866833D23A --mojo-platform-channel-handle=2428 --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 behavior: EnumeratesProcesses
- 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/692-139-0x0000000000000000-mapping.dmp
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memory/2020-129-0x0000000000000000-mapping.dmp
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memory/2192-147-0x0000000000000000-mapping.dmp
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memory/2284-126-0x0000000000000000-mapping.dmp
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memory/2512-145-0x0000000000000000-mapping.dmp
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memory/3708-142-0x0000000000000000-mapping.dmp
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memory/4348-124-0x0000000000000000-mapping.dmp
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memory/4432-148-0x0000000000000000-mapping.dmp
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memory/5100-134-0x0000000000000000-mapping.dmp