Analysis
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max time kernel
142s -
max time network
150s -
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 16:00
Behavioral task
behavioral1
Sample
74eab893add84b63f56f20cd67718963.pdf
Resource
win7-20231215-en
General
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Target
74eab893add84b63f56f20cd67718963.pdf
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Size
80KB
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MD5
74eab893add84b63f56f20cd67718963
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SHA1
c918bde4328f175149508a182ab0b013e603d258
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SHA256
90c3c449ed822c17369ffa24b57be5a98f4ae230fc7d0d484632b7ff0ee5670e
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SHA512
e39d7851ccb69f65e984be400b24f3acb412999149929b723a40106eb5d38290f7225b064253ae1ebab585f15deb71745151f2b31d62663bcc66217962c87752
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SSDEEP
1536:a0btADBmZyCuc+nHN9YUQov7Y+9wl3E3Bzj38xIDH9XOsaN:vbtADBmpTwH7xv7zwAxb8iDH9QN
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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3992 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe 3992 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3992 wrote to memory of 2352 3992 AcroRd32.exe RdrCEF.exe PID 3992 wrote to memory of 2352 3992 AcroRd32.exe RdrCEF.exe PID 3992 wrote to memory of 2352 3992 AcroRd32.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 2976 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 RdrCEF.exe RdrCEF.exe PID 2352 wrote to memory of 4944 2352 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\74eab893add84b63f56f20cd67718963.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:3992 -
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:2352 -
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=FA998E054ECCE613BDE37307C4D81068 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2976
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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=6A0217798FEB11FFB29745E7B447752D --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=6A0217798FEB11FFB29745E7B447752D --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵PID:4944
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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=36C0CC6B5F400CE19353A52DE44004AF --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=36C0CC6B5F400CE19353A52DE44004AF --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:13⤵PID:2536
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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=7D223D19B33CC9C92F5BC52218D81BFB --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3616
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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=CBA145C9B020611D702F9C95E530DF73 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4352
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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=250802F4091306B9A09841703D1ECCA4 --mojo-platform-channel-handle=2476 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1264
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4744
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
MD5f7491476dcdc26f55dc0aae3bb3c52a0
SHA10d111ae29ca9f2f1831dd5ed1bb59f8100c3ab77
SHA25619b802d2081f9197b6f5df16486c6fa91c52fa4cdda87c3fc3b778c32d71dadf
SHA512432a9aea3f4a7c12544f2c75e745354ae710742f5648fd6f8990db3f3d7cbc1838831bc281b079813a79898dfa189ad5dbf0b6e05a3626bbda41f64a87c31ae5
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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