Analysis
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max time kernel
62s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-10-2022 14:52
Behavioral task
behavioral1
Sample
870517777b490d737afc8e6b3d4c1b84ca07e874a6746823008211d98cc9dbf5.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
870517777b490d737afc8e6b3d4c1b84ca07e874a6746823008211d98cc9dbf5.pdf
Resource
win10v2004-20220812-en
General
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Target
870517777b490d737afc8e6b3d4c1b84ca07e874a6746823008211d98cc9dbf5.pdf
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Size
2.8MB
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MD5
dd17a444e8217444ec7d7ded97905bf8
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SHA1
79a55f0c6ef3768d7e9e8541b1220c484ad3dacd
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SHA256
870517777b490d737afc8e6b3d4c1b84ca07e874a6746823008211d98cc9dbf5
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SHA512
c99383be5351abbb91e298e3a11ca39f3bc9ab59bc05f4bcac46496298301d6fee972acf4970d0ee35f01b64cdc67b0328afe6b669a5fadc3b5d620df10851f1
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SSDEEP
49152:vzmf94u04H0WovN3U8SmXoRISDpokl99vEeElCwRJ5hgYfcqDKaEWPTYH:rmfau04HNo1EKYRISlokl99fg/J7gWFU
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 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1268 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe 1268 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1268 wrote to memory of 3720 1268 AcroRd32.exe RdrCEF.exe PID 1268 wrote to memory of 3720 1268 AcroRd32.exe RdrCEF.exe PID 1268 wrote to memory of 3720 1268 AcroRd32.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 1576 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 RdrCEF.exe RdrCEF.exe PID 3720 wrote to memory of 5116 3720 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\870517777b490d737afc8e6b3d4c1b84ca07e874a6746823008211d98cc9dbf5.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
PID:1268 -
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
PID:3720 -
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=D706956DBC87F1BE485C82A3B2E0F34C --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1576
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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=670D54856F146A4A71781058DEDD9CEA --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=670D54856F146A4A71781058DEDD9CEA --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵PID:5116
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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=AD045F005EE5EB010183F8AF9F032835 --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=AD045F005EE5EB010183F8AF9F032835 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:13⤵PID:3292
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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=F0A11B740E104FDBC32BABC12E0A4185 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1516
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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=C03B00C96D354EBDFC4FD81E03011953 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4292
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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=49D47318312BF116324DB447C237C24C --mojo-platform-channel-handle=2612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5028
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2772
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1516-147-0x0000000000000000-mapping.dmp
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memory/1576-134-0x0000000000000000-mapping.dmp
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memory/3292-142-0x0000000000000000-mapping.dmp
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memory/3720-132-0x0000000000000000-mapping.dmp
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memory/4292-150-0x0000000000000000-mapping.dmp
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memory/5028-153-0x0000000000000000-mapping.dmp
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memory/5116-137-0x0000000000000000-mapping.dmp