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 15:49
Behavioral task
behavioral1
Sample
Eng_BUILDEXPO APP. FORM____.pdf
Resource
win7-20231215-en
General
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Target
Eng_BUILDEXPO APP. FORM____.pdf
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Size
96KB
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MD5
fe9f84db201db5918d82cc9f2934e837
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SHA1
61b267421c31880fb7a4d3bf8a07c539da766db6
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SHA256
a59301d101789c6df893f564ff9d3f543d3d70f36383299d54cfafec6d2b84b2
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SHA512
bf5420820461cc5aa2b0b73fc6f62c96aa8a3b1ec2440bc76ad67da56886dc4627edc926eedec49f1e29de7a0902c22a7e3511ab31f55c3153d4eb2f71f06e9b
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SSDEEP
3072:0AQrB3w0OTKTZDE4cFrHmNy9wqvCFrOlJ0/xVk:tSwDKTVEjHm82qvCs9
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 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 5976 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe 5976 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 5976 wrote to memory of 5560 5976 AcroRd32.exe RdrCEF.exe PID 5976 wrote to memory of 5560 5976 AcroRd32.exe RdrCEF.exe PID 5976 wrote to memory of 5560 5976 AcroRd32.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 2860 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 RdrCEF.exe RdrCEF.exe PID 5560 wrote to memory of 6140 5560 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\Eng_BUILDEXPO APP. FORM____.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:5976 -
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:5560 -
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=B852B690A4F17B817BD8C0760B0BAE97 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2860
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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=1A979657921BB2C14ABEAE6039374F6E --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=1A979657921BB2C14ABEAE6039374F6E --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:6140
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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=D1EC4675164CE09BFF4D58CA74E7C83E --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3516
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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=D853D6839B568115F73169F90053EECF --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4564
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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=DDFCB6C244718E5AB408731F7039553D --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=DDFCB6C244718E5AB408731F7039553D --renderer-client-id=6 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job /prefetch:13⤵PID:3512
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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=F5EF5CF242A5EEF14A78F7E0DDB69306 --mojo-platform-channel-handle=2720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2796
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4480
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
MD53a2c50405354d5b83bedb20d8dfcb11a
SHA19ce0d5593433b4816891dfd8dc34be208b1644db
SHA2564e80090d7c1af70db0763642f89f309f83e562ec4185879760113f13f1335f94
SHA5121c16bad637d1a2828bb81b4b423c87ee02e106bc71519a69a098aa92ffd11a2da653d1ec4606c77dab962b19f63feb1c587667b549dfe105480e0ef9ce07f860
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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/5976-131-0x000000000AFC0000-0x000000000B26B000-memory.dmpFilesize
2.7MB