Analysis
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max time kernel
146s -
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 15:59
Behavioral task
behavioral1
Sample
74d5900bcc2f9668b523f155764eb606.pdf
Resource
win7-20231215-en
General
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Target
74d5900bcc2f9668b523f155764eb606.pdf
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Size
45KB
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MD5
74d5900bcc2f9668b523f155764eb606
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SHA1
85b382607396ad5d55b158c0448dbbc5f4d9f48f
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SHA256
de3fbea40db81b199f40c5f79c6c70d6246c00e5d4d25091df2cc5c54df479c0
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SHA512
d89657fb1e2c606128d99d7cdca0ab2f3472a33f56dc22678fa386abaa0219424bc471bf40e696a9db7b8bb76e74e1b9ae839ee665a402daf6f6983972432c63
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SSDEEP
768:54BYQ654co4vpB3An9Msq/weAsR9WqSGCe/2nD0+VaZPNMMtzLUBQ:KgqcoUzhAsR9fCe/2ngIaZPNMGvUBQ
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 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 844 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe 844 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 844 wrote to memory of 3224 844 AcroRd32.exe RdrCEF.exe PID 844 wrote to memory of 3224 844 AcroRd32.exe RdrCEF.exe PID 844 wrote to memory of 3224 844 AcroRd32.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2852 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 RdrCEF.exe RdrCEF.exe PID 3224 wrote to memory of 2588 3224 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\74d5900bcc2f9668b523f155764eb606.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:844 -
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:3224 -
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=E3E611C71EB1960102ED632C5A837CB7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2852
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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=534284C7699AFDD023E374D63FC5A0E8 --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=534284C7699AFDD023E374D63FC5A0E8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:2588
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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=E45CD128E64C0A0822946B7DEDA50386 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2464
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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=DCC6DC7076A4CA723D0681B4E7EEA17A --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=DCC6DC7076A4CA723D0681B4E7EEA17A --renderer-client-id=5 --mojo-platform-channel-handle=2476 --allow-no-sandbox-job /prefetch:13⤵PID:1648
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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=1D0877E6D2105213310550ACB2268AB5 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4764
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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=963AD6B669093356B4B4B140B22555A5 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1400
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2840
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
MD5d89eb1e49ea569d2e4853e4e7fc6f7ef
SHA148d912248a7193a5e47219643a4b3333069d7887
SHA2567fd1efd496610680063b793d6221a90516637b1e7b0683045e0bdb71771fe93b
SHA51212a0a6a7f9fb9d7fcd05ae654145ffd50c5ad225c2657dba0c8ecb38adb33b7d95afd4727f8bf4b71ea375c8d6eeb5aaf21529e6b13ef3f6e9854c8580179592
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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