Analysis
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max time kernel
10s -
max time network
13s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-10-2022 09:26
Behavioral task
behavioral1
Sample
f55e90b6fa22af99afca344b5fbb764872c9cf302b518bbb7ad3d792f4ff4b9f.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f55e90b6fa22af99afca344b5fbb764872c9cf302b518bbb7ad3d792f4ff4b9f.pdf
Resource
win10v2004-20220812-en
General
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Target
f55e90b6fa22af99afca344b5fbb764872c9cf302b518bbb7ad3d792f4ff4b9f.pdf
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Size
121KB
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MD5
b5f75f68772aa56d44a6b0f8acb6bb93
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SHA1
e5ab164052f47cd9b3e0ea543e4ea1b92c01a3fe
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SHA256
f55e90b6fa22af99afca344b5fbb764872c9cf302b518bbb7ad3d792f4ff4b9f
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SHA512
df32ec88d570178fbacc5185f33b8eaf0388670ff8a2bdd32d0c6ce21c1726da30e58f9486650f73f9f1f864ecaa5162b7a81314704239006daa20b3e1fdf3b7
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SSDEEP
1536:+oYQSU2oml64WkOF9gjZHTkmBigAC6wu7n3QNLaqMDetBBBNcT30nONYQQlvXIIj:kQ394SPgjZHTkiiPnGJtBBBNa3V4fVH
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1748 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 1748 AcroRd32.exe 1748 AcroRd32.exe 1748 AcroRd32.exe 1748 AcroRd32.exe 1748 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1748 wrote to memory of 5080 1748 AcroRd32.exe RdrCEF.exe PID 1748 wrote to memory of 5080 1748 AcroRd32.exe RdrCEF.exe PID 1748 wrote to memory of 5080 1748 AcroRd32.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2860 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 RdrCEF.exe RdrCEF.exe PID 5080 wrote to memory of 2772 5080 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\f55e90b6fa22af99afca344b5fbb764872c9cf302b518bbb7ad3d792f4ff4b9f.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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⤵
- Suspicious use of WriteProcessMemory
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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=AA744AA3600C27522494B8441CCA59DC --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=4F8F42170D4A4921D3921A1B236095E7 --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=4F8F42170D4A4921D3921A1B236095E7 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵
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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=579B2624393F553742FF3097755E3E8E --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=579B2624393F553742FF3097755E3E8E --renderer-client-id=4 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job /prefetch:13⤵
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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=86C578A1DE1A13FBC3F83F6745731EA1 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=A0F46A0C56741D38ECFFF40514BFC613 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=AD2F0461674518E8F15421B5C67FA01A --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/408-142-0x0000000000000000-mapping.dmp
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memory/1828-147-0x0000000000000000-mapping.dmp
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memory/2772-137-0x0000000000000000-mapping.dmp
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memory/2860-134-0x0000000000000000-mapping.dmp
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memory/4536-153-0x0000000000000000-mapping.dmp
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memory/4664-150-0x0000000000000000-mapping.dmp
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memory/5080-132-0x0000000000000000-mapping.dmp