Analysis
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max time kernel
103s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
18-05-2022 12:57
Behavioral task
behavioral1
Sample
B2S_2554389_1.pdf
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
B2S_2554389_1.pdf
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Size
135KB
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MD5
4af3c85085cfcd0d516f41c2aa70ba4f
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SHA1
f90c5e76171f4d8dd92fb0db36723bf715d1144a
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SHA256
05d7ed543b45bed1bdc0937b00f58de45c4bb36a15bba079e7d628a73d065f83
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SHA512
75a7aa30cd4bae00b75b8096f0d3602649eb061a54efc76e1d1694a230cb6b1fbe9939dc81563f29a7b4ef215a9c01940d4ffddd09e0ea88eca6b137a22734ed
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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 2208 AdobeARM.exe 2208 AdobeARM.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4904 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 4904 AcroRd32.exe 2208 AdobeARM.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4904 wrote to memory of 4120 4904 AcroRd32.exe RdrCEF.exe PID 4904 wrote to memory of 4120 4904 AcroRd32.exe RdrCEF.exe PID 4904 wrote to memory of 4120 4904 AcroRd32.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 460 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 RdrCEF.exe RdrCEF.exe PID 4120 wrote to memory of 1528 4120 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\B2S_2554389_1.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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=69A359EABF666F47806A4C6087823572 --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=69A359EABF666F47806A4C6087823572 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --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=7A06A42B3A22078943A31C71A6CA003F --mojo-platform-channel-handle=1764 --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=09C8F9B2B1CDE8CEA46C733E95CE328B --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=09C8F9B2B1CDE8CEA46C733E95CE328B --renderer-client-id=4 --mojo-platform-channel-handle=2300 --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=DE9C94E527748F432009889C0D10E0BC --mojo-platform-channel-handle=2436 --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=E448020145E45718A6BBD49CD0165BCD --mojo-platform-channel-handle=2468 --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=9F52CC70661F236D36ACBFEBEF9C6974 --mojo-platform-channel-handle=2016 --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⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/460-132-0x0000000000000000-mapping.dmp
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memory/1528-135-0x0000000000000000-mapping.dmp
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memory/1988-154-0x0000000000000000-mapping.dmp
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memory/2208-153-0x0000000000000000-mapping.dmp
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memory/3196-148-0x0000000000000000-mapping.dmp
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memory/3636-151-0x0000000000000000-mapping.dmp
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memory/4120-130-0x0000000000000000-mapping.dmp
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memory/4940-140-0x0000000000000000-mapping.dmp
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memory/5028-145-0x0000000000000000-mapping.dmp