Resubmissions
01-07-2024 03:03
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240701-c8aptatemd 6Analysis
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max time kernel
98s -
max time network
141s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
01-07-2024 02:51
Behavioral task
behavioral1
Sample
6263d8ee-35c3-4efe-a889-a1caa528eb6c.js
Resource
win11-20240611-en
Behavioral task
behavioral2
Sample
folder-4/4/777.pdf
Resource
win11-20240611-en
Behavioral task
behavioral3
Sample
folder-4/4/c1491b6d-eeba-4bdd-acff-25435ad38b87.pdf
Resource
win11-20240508-en
Behavioral task
behavioral4
Sample
folder-4/4/is-M72TF.tmp/_isetup/_setup64.exe
Resource
win11-20240611-en
General
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Target
folder-4/4/777.pdf
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Size
5.7MB
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MD5
4177fbfe03075bace0b1b86444bf24bf
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SHA1
802ca6fd560d8c2dc5d43a49cc29a2bedb4e13ca
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SHA256
ae08d188a5c463b9d90aead76d8ad7703dd6d79578e40517b69dc38821a045a3
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SHA512
277f15669df62d4e2b75780bb152c96ad0b4992dcc54f6c4384d0119d5a3a1b6bed549f44e6656add3fa44dc37b195a438c39b84ffc137e47fa41315f61a2f6e
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SSDEEP
24576:+/KF/KU/Kk/Kw/KU/KE/KZ/Ka/Kp/KP/KW/KY/KS/KC/KD/Kn/K6/Ki/KK/KT/KD:3k
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-1-5-21-423582142-4191893794-1888535462-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1164 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe 1164 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1164 wrote to memory of 2576 1164 AcroRd32.exe RdrCEF.exe PID 1164 wrote to memory of 2576 1164 AcroRd32.exe RdrCEF.exe PID 1164 wrote to memory of 2576 1164 AcroRd32.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 2224 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 RdrCEF.exe RdrCEF.exe PID 2576 wrote to memory of 1064 2576 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\folder-4\4\777.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=96E80A187AF7531030A68AFDA0AF3B27 --mojo-platform-channel-handle=1764 --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=1D740EC4E8E263ECFA256F071EBA241A --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=1D740EC4E8E263ECFA256F071EBA241A --renderer-client-id=2 --mojo-platform-channel-handle=1772 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=0F7A544604165782816B8CCDFB228777 --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=0F7A544604165782816B8CCDFB228777 --renderer-client-id=4 --mojo-platform-channel-handle=2332 --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=8B291E66C48C891EFC9463E2D1DE230F --mojo-platform-channel-handle=2604 --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=7942EA5CD046ACDC390FF480AB5FEEB9 --mojo-platform-channel-handle=1920 --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=7159A83E0051B1FC0E62E582F664A644 --mojo-platform-channel-handle=2748 --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 v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD565d9a4de9df97be49cc4afe1e7ee3e99
SHA1ebaf5dc6defdfc6830bd9b5c8a6e50687417f8b4
SHA2567019c3f16193f7c6b9739bf3e0c09f540dadad54bbc93c01eef7ff4643de9969
SHA5123eb3c38c24d7b9868c18d9f15bb7000cd9232dc4e109bbd642dea82ad41d69441d756ce692bcc09c1beaad9e8661e4b93dc4c3f0effe43e89ff8340735a65d8f
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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