Analysis
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max time kernel
140s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2023 11:21
Behavioral task
behavioral1
Sample
file.pdf
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
file.pdf
Resource
win10v2004-20230220-en
General
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Target
file.pdf
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Size
3.0MB
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MD5
c74080550fcdac44db1c498197f7a9f1
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SHA1
2e7e61504847d44c5aa9193c0b979277a5a966e4
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SHA256
7721b6505837f290c5a7789f7d390971b40c08765587572d0c0558b80c7c00bf
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SHA512
830bc14012b0a01590ae5979a01a9bdd4c01e78c642ca300ac340c0e25bde33c32e17f13bfa96f5d8e0cc53f7afa5817b8f27cd0e24ef56b7bcbba875b24d803
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SSDEEP
49152:BknNnBzlo2f6iz+/AphAd1/4VcT+AHZXh23MCRsc2Dft9iHQwmyCf+u:BEzPSJd1/oIRXCsc2btYHQwmyCfV
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-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 740 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe 740 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 740 wrote to memory of 4328 740 AcroRd32.exe RdrCEF.exe PID 740 wrote to memory of 4328 740 AcroRd32.exe RdrCEF.exe PID 740 wrote to memory of 4328 740 AcroRd32.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4208 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 RdrCEF.exe RdrCEF.exe PID 4328 wrote to memory of 4760 4328 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\file.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=666704CEFD6CAB0DD1580C251A369D97 --mojo-platform-channel-handle=1624 --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=799595C8169AB563D6213D404B84BF28 --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=2 --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=799595C8169AB563D6213D404B84BF28 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --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=79D705C40CCF321240697A32DB023601 --mojo-platform-channel-handle=2296 --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=86C206F1AC9D17EBCEE928F07A7100F6 --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=2 --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=86C206F1AC9D17EBCEE928F07A7100F6 --renderer-client-id=5 --mojo-platform-channel-handle=2404 --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=DE641CEF8961A4A1D12222C18BE9AD65 --mojo-platform-channel-handle=2564 --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=1D3CC54F74D6C047142FD8994565C926 --mojo-platform-channel-handle=2316 --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
Loading Replay Monitor...
Downloads
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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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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD5abe09c92b230b34b60dde108976abb0f
SHA1aee1ac4dbda8868c38a14eeb5a4f2e89aa23a050
SHA256a9e6457e0e26f35b26d763a664fe95a4f5e4ae86293e45d6055ef2090ef8c0b6
SHA512d119c6b4cf5c1dd5c5e797b8f63cfcb9014612cddea19e35b9663f8ffc859ea48b802e9114d5c2fe75623d215b77370b3625c2af06aa73163adf4cb759b5f053