Analysis
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max time kernel
144s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 16:55
Behavioral task
behavioral1
Sample
7505bdb34260f76a4c32bf18a522cf81.pdf
Resource
win7-20231215-en
General
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Target
7505bdb34260f76a4c32bf18a522cf81.pdf
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Size
44KB
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MD5
7505bdb34260f76a4c32bf18a522cf81
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SHA1
26de2230c96cd7e864489b1ed29a5ae51ef00bbb
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SHA256
3e33f3bc270c7355338eeddf2a7b916122bf16d44be6b4895dc140ad40cd6e2a
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SHA512
32a9a90279adc19e4f3f35cd036920416bce040a41296f27fc7d2be5eb82ce9e0cdca1b675eb94883b5f7f36c032240cd5e492daf790757bbf287289d21adc47
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SSDEEP
768:r42EZB2RYYelURqzqt/8AH/UQJFqAxQwKBz2NHWviucc:slB2RYMr2AH/JTqAxxKR2N2qc
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 5980 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe 5980 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 5980 wrote to memory of 4352 5980 AcroRd32.exe RdrCEF.exe PID 5980 wrote to memory of 4352 5980 AcroRd32.exe RdrCEF.exe PID 5980 wrote to memory of 4352 5980 AcroRd32.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5064 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 RdrCEF.exe RdrCEF.exe PID 4352 wrote to memory of 5160 4352 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\7505bdb34260f76a4c32bf18a522cf81.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:5980 -
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:4352 -
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=09A05EF4A99C7C2829839944E1DF40D3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5064
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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=1C7BDDF7E1EFFDA660CCF4B66166C0BF --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=1C7BDDF7E1EFFDA660CCF4B66166C0BF --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵PID:5160
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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=EFDA2EA9712468FCFF3DB100D6265014 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4884
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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=3A88D5B56B2958A6B65D1BE9A687CAFE --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5512
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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=D74BAB605FB92322183720456846792F --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=D74BAB605FB92322183720456846792F --renderer-client-id=6 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:13⤵PID:2156
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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=01A2DB8438A14CDFF384EE8F610D835A --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:6052
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4700
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
MD55cac1c997c910422cb29ed336720d0c8
SHA1400db5615e289d8f5962c24c777d4ce9f7369b9a
SHA2567994e3adefe94ef25959423301c910c1ccce225545f8f446de7f3d0fb9924c1b
SHA512894ac650283a97290a57cd3f7cff1502ae2123a39fd8e1dfd0b0f9d1fdb6206180df6c84cdcbf7587c0d11fafb2abfa69889c9f882e7eff9ec3ec70c7492d9cb
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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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memory/5980-27-0x000000000A820000-0x000000000A841000-memory.dmpFilesize
132KB