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Analysis
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max time kernel
128s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
09/09/2022, 09:52
Behavioral task
behavioral1
Sample
3a7af02889911f9e33376464845f80f5d3fde7679602ac63eef3e0d71cb694d1.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3a7af02889911f9e33376464845f80f5d3fde7679602ac63eef3e0d71cb694d1.pdf
Resource
win10v2004-20220812-en
General
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Target
3a7af02889911f9e33376464845f80f5d3fde7679602ac63eef3e0d71cb694d1.pdf
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Size
413KB
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MD5
9cae987e57ebced93128aff638717982
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SHA1
483b593f08d29d1e02223aa2eeb236cb5381f412
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SHA256
3a7af02889911f9e33376464845f80f5d3fde7679602ac63eef3e0d71cb694d1
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SHA512
b18a027122f5a880bdc3012819bc04790d7d691fa5ab39bd2a265c7ea8f326a22896612b670a2ba522f66bb809eb2ed0d95f0279539c8b46fe9adb62798aba9c
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SSDEEP
6144:4ZUA+qW3UQE45UTU2QYiIhDl7c12ylAqKhQuIj3NyHWwC978+LqPCK:UUAfTNQYiAw1f2rxIjfwCK+RK
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.
description 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 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4868 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe 4868 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4868 wrote to memory of 4516 4868 AcroRd32.exe 87 PID 4868 wrote to memory of 4516 4868 AcroRd32.exe 87 PID 4868 wrote to memory of 4516 4868 AcroRd32.exe 87 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 3936 4516 RdrCEF.exe 90 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91 PID 4516 wrote to memory of 4372 4516 RdrCEF.exe 91
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\3a7af02889911f9e33376464845f80f5d3fde7679602ac63eef3e0d71cb694d1.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:4868 -
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:4516 -
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=6E6ADADF61B82D92E2EA95F49FDBBD00 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3936
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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=80F8D3F4EC5EA5CDCE8916B0EB8F4E6D --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=80F8D3F4EC5EA5CDCE8916B0EB8F4E6D --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵PID:4372
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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=BD7243299C77A071D8C76EDE8EA4DB11 --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=BD7243299C77A071D8C76EDE8EA4DB11 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:13⤵PID:2620
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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=EEDA00AC96F20002139E6E28A8D7F52F --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:392
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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=789A4F3F4DD7500EEC85BA1302024A82 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3320
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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=55BC8E6CD72C0EE09EEAC2CC4D515F8A --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2928
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1820