Analysis
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max time kernel
142s -
max time network
155s -
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 17:09
Behavioral task
behavioral1
Sample
750dae19f0271cb5460a4cafe948e0de.pdf
Resource
win7-20231215-en
General
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Target
750dae19f0271cb5460a4cafe948e0de.pdf
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Size
78KB
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MD5
750dae19f0271cb5460a4cafe948e0de
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SHA1
cec953f5202c892ad884d5c4c2903e1706b18cf4
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SHA256
2cdc9190832347b2d53cbd26240861c4e1f387735cdfd17e27c1692e12379b80
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SHA512
a6afa3fcd56caecfa2123989679fa8f5f87887df767dbb5f61391b306eecca2f16cd6abcde5fec739e8324408cca9078806e1e383f5b0fb895ea6594571f3150
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SSDEEP
1536:w8h2RGb170+bmXh7Wy7C2nWkYSPDvNcGTVFNNxBuf7Hj1hvMH:1QRGRxmtWymIVbWGTVFNNx47HZVo
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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4076 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4076 wrote to memory of 3576 4076 AcroRd32.exe RdrCEF.exe PID 4076 wrote to memory of 3576 4076 AcroRd32.exe RdrCEF.exe PID 4076 wrote to memory of 3576 4076 AcroRd32.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 2252 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 RdrCEF.exe RdrCEF.exe PID 3576 wrote to memory of 4676 3576 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\750dae19f0271cb5460a4cafe948e0de.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:4076 -
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:3576 -
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=F262DF020FF13C2F19FC4EC4F836626F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2252
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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=C996EA83706F37A1A54037B1E87F260A --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=C996EA83706F37A1A54037B1E87F260A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:4676
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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=80404FF8C162920CA117FF0EEE1F05E0 --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=80404FF8C162920CA117FF0EEE1F05E0 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:13⤵PID:2856
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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=F05D88017480C1CD55A38C54373DD698 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4900
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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=2351311D17DA54C7C4330345E3B81ADE --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5108
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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=F8AC5F33BC6B3016F021AF8503226EBC --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4324
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1356
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD5d7042493e23ae644609b20bcb0c07e33
SHA112669921873b66d8f5d9568cbfadad5afa8846d2
SHA25692274970b5e2b78063713325d8f505b0824954925b2090e0c2fd0d540ea6d846
SHA512f85e6a6117c4b60dfb55358fff1c78ceabad661eadb7edae9afb6d2a1fac32bfa1997af6f8bdb76ddc5faa3824503d78080b0522de24f54fb263ae97f87cdf72
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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