Analysis
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max time kernel
143s -
max time network
151s -
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
750db04f1ec4d46755d7768c2842eba1.pdf
Resource
win7-20231215-en
General
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Target
750db04f1ec4d46755d7768c2842eba1.pdf
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Size
82KB
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MD5
750db04f1ec4d46755d7768c2842eba1
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SHA1
bebd8ed86ad7a37d1537a98dbd162261422c95a6
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SHA256
526f860eaa15811eff43b9c4dfaa1ccbaa62d9673249ce7cf7ba98a6c145ffc1
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SHA512
5e05da504d090c1dfa1fbec7bbc2fc8493381aa0aac1e23cae1d26fc139ac013987ddfa69b57dd9204995b6abf69ef869d24391822e23484225add9069c838e6
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SSDEEP
1536:Xj6c8i4JJA8hl4yaI0MjcOMCTIKeZ/3Z/sskT8vBTGa73Wj2qAza:z6RTJe8hldN3MYIKeZ/FE85TGa7GjFR
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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1588 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe 1588 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1588 wrote to memory of 824 1588 AcroRd32.exe RdrCEF.exe PID 1588 wrote to memory of 824 1588 AcroRd32.exe RdrCEF.exe PID 1588 wrote to memory of 824 1588 AcroRd32.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 2992 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 RdrCEF.exe RdrCEF.exe PID 824 wrote to memory of 3704 824 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\750db04f1ec4d46755d7768c2842eba1.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:1588 -
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:824 -
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=602307839C440D6892E181E1D72234FE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2992
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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=CE9241033DCC2EC39250B706FEF85CF7 --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=CE9241033DCC2EC39250B706FEF85CF7 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:13⤵PID:3704
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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=5E0DED7DBA62DCB66822A80D171A3084 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2760
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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=0193BEAA9656270B4DF0B1A31DA3C42D --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=0193BEAA9656270B4DF0B1A31DA3C42D --renderer-client-id=5 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵PID:1464
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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=45CE5EABF7E3D8231108A1C2E52A3144 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4480
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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=D1CB2D2715B669DE6FADD2929E8554EF --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3536
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4236
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
MD5b405134a27c2ab95b930d2396d33f614
SHA124f36071474a2c33b3aede733c7b73a2cfa26d08
SHA256b2869ec631bb2a25398e00d0466762ba2dad61af0e35875b6b4f5370fd00ace8
SHA5121f29cd6a5d6e99ad25aeba9c70488f4428db62aa35825ecae7c0e42889427a88044a70c2bdff8a5428b9dff7734f96a50cb76c5da3362cb16961b71bca8baee4
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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