Analysis
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max time kernel
140s -
max time network
128s -
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 11:33
Behavioral task
behavioral1
Sample
PD26351.pdf
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
PD26351.pdf
Resource
win10v2004-20230220-en
General
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Target
PD26351.pdf
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Size
2.1MB
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MD5
59020ea8ba78797da07f1d9fecea2a6b
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SHA1
4241dce5d092ad2ca06866a3b8c95f54bc56418d
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SHA256
484d064e8ea89d22531bd5fa86f45c39abf3592c962d43cbdeca74a94a52337f
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SHA512
5d2d9c3f5ae8161d2b0214ad67b395b510c37f0529d7ec9dc3a6db03ee6066b484a2498cccb9f8ce8146251dfd50a83f43af7a422315cd87f732a74633ce15b0
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SSDEEP
49152:w995tiu1wLcbbitbGuPnR7exwOJzO6RQs0mrTvshwug4PTbb:m95Au1wDFM/bTU3J7
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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4444 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4444 wrote to memory of 2556 4444 AcroRd32.exe RdrCEF.exe PID 4444 wrote to memory of 2556 4444 AcroRd32.exe RdrCEF.exe PID 4444 wrote to memory of 2556 4444 AcroRd32.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 216 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 RdrCEF.exe RdrCEF.exe PID 2556 wrote to memory of 116 2556 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\PD26351.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=590F0F0E5F3995B860D0F95494DA9CCF --mojo-platform-channel-handle=1716 --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=694BB9941E0BC2946F5B194E42CD0248 --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=694BB9941E0BC2946F5B194E42CD0248 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --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=91F3044E06758CD0672D68179F3EB3C2 --mojo-platform-channel-handle=2304 --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=D7914D624DE16291B79367DA800FDE63 --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=D7914D624DE16291B79367DA800FDE63 --renderer-client-id=5 --mojo-platform-channel-handle=2324 --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=DCF6ABE21061E685E2CA21F9A5083012 --mojo-platform-channel-handle=2556 --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=E1F0D07EA1948B2D9F21DBD69B7636B7 --mojo-platform-channel-handle=1716 --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
MD53a21de67e2d48fa0171384ac82badc06
SHA17870f74df604525fd18cad707f2776ef5178c9c2
SHA256366eb34b00e779023e569c082cf4eb300c2416e71170fdd45e9052086f31c933
SHA512e904537a9f271de7ebc118cb90d6e7973eaa6d1c3ca0898649900aa83e2adf59eac3f5ca2525348dbec803e78f064af4ed9732f0da5c8a238feefbe35600d56d