Analysis
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max time kernel
144s -
max time network
147s -
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 16:42
Behavioral task
behavioral1
Sample
74ff5ae649e0bf5628a31ec3f4b8fcaa.pdf
Resource
win7-20231215-en
General
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Target
74ff5ae649e0bf5628a31ec3f4b8fcaa.pdf
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Size
197KB
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MD5
74ff5ae649e0bf5628a31ec3f4b8fcaa
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SHA1
5f9f0a4f7997d3e7ef20773796483ab40b3e9ccd
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SHA256
fd3553fb4ed32ed55728d98f5fa6824e1cacc7366e05cae7f7a88940e62b746d
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SHA512
dd72f07b61b6b143c4541e289e1223a9d572052ffa701c77bc338752efaf5bfb20a80699a0f0a63a6944688fc30c1b40b8a387a542afdee2f427136d83f4d6b7
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SSDEEP
6144:beii8yGjk0sAipCGudoN48rfLl9Gjyd4dU:bPgGQnADGrTqu
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4692 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe 4692 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4692 wrote to memory of 2488 4692 AcroRd32.exe RdrCEF.exe PID 4692 wrote to memory of 2488 4692 AcroRd32.exe RdrCEF.exe PID 4692 wrote to memory of 2488 4692 AcroRd32.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 856 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 RdrCEF.exe RdrCEF.exe PID 2488 wrote to memory of 3312 2488 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\74ff5ae649e0bf5628a31ec3f4b8fcaa.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:4692 -
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:2488 -
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=1DC55B7CAD67A395EA7D152B0AD85AD8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:856
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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=5AD265462BF0A46A704B9AAC44FE9BB7 --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=5AD265462BF0A46A704B9AAC44FE9BB7 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:3312
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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=CE676EE4778E8B2A6AEBB7507C23C480 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2708
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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=8BD34B9E3591C475ED2754E6F20C2BA4 --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=8BD34B9E3591C475ED2754E6F20C2BA4 --renderer-client-id=5 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job /prefetch:13⤵PID:2112
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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=93C65EDD91531E05848252DFFDCE2251 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2496
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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=8DFCA6D4D3967FFA0EDFD0198CD88FFB --mojo-platform-channel-handle=2736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:208
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5072
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
MD56c667ab7c9ba86b673ede45487145532
SHA1b35c568b01260506867a9b61305362172c44cf99
SHA25651aaa1686a56d0ce65444132c1f3ae94438c6d267c9f1888cdfddb4fdbe18ab7
SHA512a9a272a43bd724e7744e03ba9ba2bff35a909492d90220b09063bca2af4b394b7101227b116732a225c785f627b766edd07b68c0078025ccc0858cf552683d9e
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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/4692-25-0x0000000010D90000-0x0000000010DE0000-memory.dmpFilesize
320KB