Analysis
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max time kernel
76s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2022 11:48
Behavioral task
behavioral1
Sample
GRE Analytical Writing LYL/Koolearn_新GRE写作讲义 (Version 6).pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
GRE Analytical Writing LYL/Koolearn_新GRE写作讲义 (Version 6).pdf
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
GRE Analytical Writing LYL/新GRE官方题库翻译 Argument部分.pdf
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
GRE Analytical Writing LYL/新GRE官方题库翻译 Argument部分.pdf
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
GRE Analytical Writing LYL/新GRE官方题库翻译 Issue部分.pdf
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
GRE Analytical Writing LYL/新GRE官方题库翻译 Issue部分.pdf
Resource
win10v2004-20220901-en
General
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Target
GRE Analytical Writing LYL/新GRE官方题库翻译 Issue部分.pdf
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Size
993KB
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MD5
6c9db5bf3c1aa592fef6fea9079848e5
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SHA1
c7c0f1d2565816378ba6d4d7815d1e74cd537d34
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SHA256
93c2f5dea0d222ebeece0a7a325c47d6f29f3f563c2b5929c1429e2f6478caa6
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SHA512
ebac611db7c0fc92c9b747929e9a9d276b35b9ea8745f6f409c7f1a1e65f903fd31584c6a6809013a2ffc185384aa3d69bf44d90806d285c36b3b4311e3e988e
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SSDEEP
12288:oVkwCZt+tvL+u4W/SayXqAVMGVrOoliFkRxIlAj/bPQ+P8I/T6wJsbjLN9rjoE3s:okIau4Wwa/GVrSazImXQo6bvoE3gzcm
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
AcroRd32.exepid process 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1796 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe 1796 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1796 wrote to memory of 3260 1796 AcroRd32.exe RdrCEF.exe PID 1796 wrote to memory of 3260 1796 AcroRd32.exe RdrCEF.exe PID 1796 wrote to memory of 3260 1796 AcroRd32.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 3772 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 RdrCEF.exe RdrCEF.exe PID 3260 wrote to memory of 4776 3260 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\GRE Analytical Writing LYL\æ–°GRE官方题库翻译 Issue部分.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
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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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=DB46580403AED84BBE51EAFF7A6DB4CF --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=DB46580403AED84BBE51EAFF7A6DB4CF --renderer-client-id=2 --mojo-platform-channel-handle=1736 --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=558C407AFFC24403EBE285F0FAC419FB --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=6350B8F7521722B3B3ECC0E13B1CE41C --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=6350B8F7521722B3B3ECC0E13B1CE41C --renderer-client-id=4 --mojo-platform-channel-handle=2308 --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=A0777D2C56A0DFFE62E1821D97CF1F88 --mojo-platform-channel-handle=2336 --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=61BE18BCB53298AC81549A7E0708F863 --mojo-platform-channel-handle=2020 --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=C2ED842F277CF420E09278C4760214DD --mojo-platform-channel-handle=2852 --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/656-150-0x0000000000000000-mapping.dmp
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memory/1400-142-0x0000000000000000-mapping.dmp
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memory/2352-153-0x0000000000000000-mapping.dmp
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memory/2816-147-0x0000000000000000-mapping.dmp
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memory/3260-132-0x0000000000000000-mapping.dmp
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memory/3772-134-0x0000000000000000-mapping.dmp
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memory/4776-138-0x0000000000000000-mapping.dmp