Analysis
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max time kernel
58s -
max time network
78s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
18-10-2022 12:12
Behavioral task
behavioral1
Sample
BOF Tutorial.pdf
Resource
win10-20220812-en
windows10-1703-x64
6 signatures
150 seconds
General
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Target
BOF Tutorial.pdf
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Size
539KB
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MD5
ff59794c66d629f41437ea7685f037fc
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SHA1
907ab0b6cb384eb40b33ab2d7addc3fed82987c3
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SHA256
49922bcc816f8a22a1a57db5c39ddb88896b2f505364fbab9e37b3730785cdbf
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SHA512
491a7d461d3540978d8eafe6f6e4b8690989f26cb501bd92666f3b5a4e42ee53710072f79521cf0fe8eab32934dc842527bad052d9490eaf472df82c70df0904
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SSDEEP
12288:mzlV1V/oNP8QR5zN45QAmJEgIIq+YlviTzKeU+D5OJgLlk1oFN0TKApr:mzlXV/SXR5zN4+Ame6YFyeT+D5OJ6lkV
Score
1/10
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-1-5-21-2482096546-1136599444-1359412500-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
AcroRd32.exepid process 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2548 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe 2548 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2548 wrote to memory of 3256 2548 AcroRd32.exe RdrCEF.exe PID 2548 wrote to memory of 3256 2548 AcroRd32.exe RdrCEF.exe PID 2548 wrote to memory of 3256 2548 AcroRd32.exe RdrCEF.exe PID 2548 wrote to memory of 4536 2548 AcroRd32.exe RdrCEF.exe PID 2548 wrote to memory of 4536 2548 AcroRd32.exe RdrCEF.exe PID 2548 wrote to memory of 4536 2548 AcroRd32.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 4676 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 RdrCEF.exe RdrCEF.exe PID 3256 wrote to memory of 648 3256 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\BOF Tutorial.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:2548 -
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:3256 -
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=4342C7406167350CF365AAF23B70E1D0 --mojo-platform-channel-handle=1632 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4676
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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=402D6E94C85B81C325D003F99A0622DF --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=1 --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=402D6E94C85B81C325D003F99A0622DF --renderer-client-id=2 --mojo-platform-channel-handle=1640 --allow-no-sandbox-job /prefetch:13⤵PID:648
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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=D1747AAAB708AEC7D7B746B190F0F389 --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=1 --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=D1747AAAB708AEC7D7B746B190F0F389 --renderer-client-id=4 --mojo-platform-channel-handle=2072 --allow-no-sandbox-job /prefetch:13⤵PID:3308
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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=D2B3EF7F2462746ACDD0323E19F65F99 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4412
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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=CB39F69D9B27DD3D52B6F4EEC66B04CD --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2372
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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=89B77169006A0275D2D7A9F4E993CF4B --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1084
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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" --backgroundcolor=165140432⤵PID:4536
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