Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 16:20
Behavioral task
behavioral1
Sample
74f443a2795140899f5b6385d54c6ec4.pdf
Resource
win7-20231215-en
General
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Target
74f443a2795140899f5b6385d54c6ec4.pdf
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Size
35KB
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MD5
74f443a2795140899f5b6385d54c6ec4
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SHA1
e08440636ffe9d47c2cbe14f6e82fcd9fee486de
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SHA256
f782fab6a314d977182c0457c69dabb8d9f6d9be195f8f9b0b29210ce3cfb93b
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SHA512
f54468dd81c9c7f55cf33f0768b805802d6756a2c4fa1b933fdde9fa10e4502f13856816c1315349765b8a9518780c824d41ade769366161a04320441b5ec44d
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SSDEEP
768:VvXLUmjOI+sR8Re0j4qIXKjwTnnsTH9U5Skgsr3:VvLUmX/11nMThsr3
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1188 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe 1188 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1188 wrote to memory of 2072 1188 AcroRd32.exe RdrCEF.exe PID 1188 wrote to memory of 2072 1188 AcroRd32.exe RdrCEF.exe PID 1188 wrote to memory of 2072 1188 AcroRd32.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 5068 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 RdrCEF.exe RdrCEF.exe PID 2072 wrote to memory of 1944 2072 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\74f443a2795140899f5b6385d54c6ec4.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:1188 -
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:2072 -
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=1D4E1C424F34D8267EFCE279053754CF --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=4 --enable-main-frame-before-activation --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=1D4E1C424F34D8267EFCE279053754CF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:1944
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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=214A2E7A47C3BCDAE5F440225ED20959 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5068
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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=D21B99C9A8C674E33EBEF87B5292726E --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1708
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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=BD760D1E10CF54D473E419BD524461E1 --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=4 --enable-main-frame-before-activation --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=BD760D1E10CF54D473E419BD524461E1 --renderer-client-id=6 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:13⤵PID:2352
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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=4FAB4D1D7B994E4C804DFE48DC0E9400 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4548
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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=16DB524CBCE67D66D95A906C91920C05 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:876
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1872
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD549e3af26ba3c2f35522027e9c8b291a4
SHA14364483f622550773fcc2ebf824caf2dec316cdb
SHA25659ce12043a9886045464369e8ea36d178644ad7d9ba25b7d387093f7992ab5f9
SHA5128f40290869c122271d29e621ad0d6d4a1e9cb4e72987eef4668ed5b895204cfc8f41588055220e95b132ce0c1761cb92931295813c593462a3f2c9efbac01115
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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memory/1188-26-0x0000000009D50000-0x0000000009DA0000-memory.dmpFilesize
320KB