Analysis
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max time kernel
141s -
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
13-09-2022 04:21
Behavioral task
behavioral1
Sample
88d55c0e81516775f1eeea18e7dfb142ede8448103f60f86facfce161fcc8f30.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
88d55c0e81516775f1eeea18e7dfb142ede8448103f60f86facfce161fcc8f30.pdf
Resource
win10v2004-20220812-en
General
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Target
88d55c0e81516775f1eeea18e7dfb142ede8448103f60f86facfce161fcc8f30.pdf
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Size
509KB
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MD5
a2c85d0a32cfead3079fa0c58c4ba200
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SHA1
0fa03a8ffd6a244b4920fb760938013235fb0184
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SHA256
88d55c0e81516775f1eeea18e7dfb142ede8448103f60f86facfce161fcc8f30
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SHA512
84dc2097360754b1bef9a54368c6a056f85fde37ea75b32ed087353eeed3f93c1279baf7d0dedfe34df32dcc6f7c73bd06015a623e56a7085ad859041543d6f0
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SSDEEP
12288:q9Inx66zxI566mHBvDuSTcUQ98Sf4C35TFONx6JhGOaNLH0:bnb26vlTi9DlJTFOGJUZhU
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
AcroRd32.exepid process 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4536 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe 4536 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4536 wrote to memory of 2440 4536 AcroRd32.exe RdrCEF.exe PID 4536 wrote to memory of 2440 4536 AcroRd32.exe RdrCEF.exe PID 4536 wrote to memory of 2440 4536 AcroRd32.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 3220 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 RdrCEF.exe RdrCEF.exe PID 2440 wrote to memory of 4816 2440 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\88d55c0e81516775f1eeea18e7dfb142ede8448103f60f86facfce161fcc8f30.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:4536 -
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:2440 -
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=5FBB433AF38AED944A817F2858D59ABA --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3220
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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=E70EAEBC6381B1AE10669FFE2C624BDC --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=E70EAEBC6381B1AE10669FFE2C624BDC --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:4816
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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=CEA063C5D7FF117BFD56497427C432C3 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1652
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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=33F233F095D172AB8072AC61DF9ABDD0 --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=33F233F095D172AB8072AC61DF9ABDD0 --renderer-client-id=5 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:13⤵PID:852
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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=F71E5BFBC1C960170AE1F41A91F835EB --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1672
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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=4DA1CB6B35B7C2B3EF791EEEB09326D3 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4272
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1840
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/852-145-0x0000000000000000-mapping.dmp
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memory/1652-142-0x0000000000000000-mapping.dmp
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memory/1672-149-0x0000000000000000-mapping.dmp
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memory/2440-132-0x0000000000000000-mapping.dmp
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memory/3220-134-0x0000000000000000-mapping.dmp
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memory/4272-153-0x0000000000000000-mapping.dmp
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memory/4816-137-0x0000000000000000-mapping.dmp