Analysis
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max time kernel
149s -
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 16:18
Behavioral task
behavioral1
Sample
74f3acadf864a8e16ed3a3e2ed354692.pdf
Resource
win7-20231129-en
General
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Target
74f3acadf864a8e16ed3a3e2ed354692.pdf
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Size
125KB
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MD5
74f3acadf864a8e16ed3a3e2ed354692
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SHA1
510800fed17131841ad24806d3df15bbc81f0537
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SHA256
bd089376515e597be5f19a1b40be295995cb5b3a92bf4b4bebeea564169e15d1
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SHA512
e3ad25daeed8f83b398fb408fc3f7096b36c4ad7b690c258f79a4f979a54f68f7eb3c979d1ecc5698abc71bfaf527cb86a17e97933ac22533006ff4ebcd39c2e
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SSDEEP
3072:rmBOMtEUQZX/yI80DY0ELE1wjGOh6TM9p0MytL3WNwrcjZ48:rbXqGCKOh6TM96MIL3sL
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4276 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe 4276 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4276 wrote to memory of 2516 4276 AcroRd32.exe RdrCEF.exe PID 4276 wrote to memory of 2516 4276 AcroRd32.exe RdrCEF.exe PID 4276 wrote to memory of 2516 4276 AcroRd32.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 2344 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 RdrCEF.exe RdrCEF.exe PID 2516 wrote to memory of 1148 2516 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\74f3acadf864a8e16ed3a3e2ed354692.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:4276 -
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:2516 -
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=919E37841B5560974A8ADC9A884638AC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2344
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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=3E1963FB9645085A0524308AA72BFE44 --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=3E1963FB9645085A0524308AA72BFE44 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:1148
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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=6F4630B2D167367521D014D3C66474C5 --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=6F4630B2D167367521D014D3C66474C5 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:13⤵PID:4856
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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=F9854F3C9B522D21A7431EF785793977 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3772
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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=7DCD31FE14BB46434783BFE7E55037E6 --mojo-platform-channel-handle=2800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4448
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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=9E0F8AEBDEC96557AC37EC0C232A2FA3 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1992
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5084
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
MD5beb502762c1abe140820c819655ea834
SHA1f78cfd51d182449bdf9bc6d8becd4ff990ecdfb8
SHA256c6386a890deb1b9742af6d44eb652b5924af68f2b11204ec011d28d52c24c79b
SHA5121f53ae741e1ed50d40970774c092c96c1272d06260f296bff6bcc04a8744bbd2d30761bfc22d7b23f5074f77c38268d61e2e8eb2f04b98412d89e120e189caac
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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/4276-27-0x000000000E1F0000-0x000000000E211000-memory.dmpFilesize
132KB