Analysis
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max time kernel
142s -
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 17:08
Behavioral task
behavioral1
Sample
750d1116e73dbaf06de9ddf941b335fd.pdf
Resource
win7-20231215-en
General
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Target
750d1116e73dbaf06de9ddf941b335fd.pdf
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Size
95KB
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MD5
750d1116e73dbaf06de9ddf941b335fd
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SHA1
f4a305cdc46b54ac21266887bd0cea674353484c
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SHA256
37e636027fea33871eb0e8a8f5d5d4afe348b9f9bd241805cbc45c152610de27
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SHA512
3012ba9b59e5ed4dfb5a73fbb5e7831159b682d00884e7fed362391652d2bf8fb17839544a26bd67a736b8730ff1a9aec6b54013bfd19c83e728d1aabb0bc547
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SSDEEP
1536:o6GG3bOclyJL+OzYAIjaLTtxjXXQ+BKchKkZzWGpOK0u+tMOyQ22WcM8L4Qn:FbKhHsAI+L/HfhKlK0uWMOl2ti9
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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3872 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe 3872 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3872 wrote to memory of 2236 3872 AcroRd32.exe RdrCEF.exe PID 3872 wrote to memory of 2236 3872 AcroRd32.exe RdrCEF.exe PID 3872 wrote to memory of 2236 3872 AcroRd32.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 4868 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 RdrCEF.exe RdrCEF.exe PID 2236 wrote to memory of 2244 2236 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\750d1116e73dbaf06de9ddf941b335fd.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:3872 -
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:2236 -
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=6F99FA4A54ABF691992877D09BC8E988 --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=6F99FA4A54ABF691992877D09BC8E988 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:2244
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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=FDB51CB5D1834396D3E349E836765EE7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4868
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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=EE67CE67CCFC682462DF123B9A3E721E --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3692
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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=FA6036C507BEADE634E7C857928CA3AD --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=FA6036C507BEADE634E7C857928CA3AD --renderer-client-id=6 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:13⤵PID:1876
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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=7B102E8E0F2DC20936E25C83F8E0C06E --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1880
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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=7EC0EB8297F5408CD959E78B06483398 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2860
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1536
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
MD53e9d2627eaef5dd455832a986028fdac
SHA127bdf233598c22cc4721792c2ca6135290eb2f08
SHA2564b49c140e9690a120379e5a3f745a3835a57efdfc758c891fd743ef007af592e
SHA51217d92e827f1d000c29bf3adb731d2f41dda5b498f9f41a1631a564ddf9efef637b6543f74edf4c35ae50cf90f4bcad9ea89fd585452810f889d821e0ad1821f6
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5