Analysis
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max time kernel
93s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26-10-2022 09:25
Behavioral task
behavioral1
Sample
TexasImprovisedGrenades.pdf
Resource
win7-20220812-en
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
TexasImprovisedGrenades.pdf
Resource
win10v2004-20220812-en
6 signatures
150 seconds
General
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Target
TexasImprovisedGrenades.pdf
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Size
893KB
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MD5
e0386028c8e181dd8b3d0d9131bb1a5d
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SHA1
018def7c12be8b1052c35787d93d3ca0b19574ee
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SHA256
e207d134e67daef0a78f1c3e638a4d668747199d6e58028f2acd49ff2f5938af
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SHA512
e3d85297e8129356db92818334a82c5d97935410969999fdbb09f457ac7ba3bafc3c19c87c5dbafd0fb55a2d0935e68e3e4ad81826bce26f2299ed5137d9902b
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SSDEEP
24576:yBfkK1FbRMmqXvhJjvpZ/wGW12rwr4APdjVHB:9K1YhXvh9fNg5B
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1872 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe 1872 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1872 wrote to memory of 2860 1872 AcroRd32.exe RdrCEF.exe PID 1872 wrote to memory of 2860 1872 AcroRd32.exe RdrCEF.exe PID 1872 wrote to memory of 2860 1872 AcroRd32.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2844 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 RdrCEF.exe RdrCEF.exe PID 2860 wrote to memory of 2332 2860 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\TexasImprovisedGrenades.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=81D4183C712B6764EB199D4503796193 --mojo-platform-channel-handle=1740 --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=1BFB28942F57B16FC676CC25020D9582 --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=1BFB28942F57B16FC676CC25020D9582 --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=BFB29597BF0F61C777A2F904C1E26360 --mojo-platform-channel-handle=2328 --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=CA5F4C17832C429046A6A55FD7A4D6BB --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=CA5F4C17832C429046A6A55FD7A4D6BB --renderer-client-id=5 --mojo-platform-channel-handle=1736 --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=4F2106949AFCD1403FE3FFBEBC640190 --mojo-platform-channel-handle=2456 --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=B054A19854F3D06C652F84240E371FD4 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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/2332-137-0x0000000000000000-mapping.dmp
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memory/2844-134-0x0000000000000000-mapping.dmp
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memory/2860-132-0x0000000000000000-mapping.dmp
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memory/3088-145-0x0000000000000000-mapping.dmp
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memory/3368-142-0x0000000000000000-mapping.dmp
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memory/3380-150-0x0000000000000000-mapping.dmp
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memory/3452-153-0x0000000000000000-mapping.dmp