Analysis
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max time kernel
87s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-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 Argument部分.pdf
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Size
1.7MB
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MD5
b849eb1cd4eff3f4620954aca864e157
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SHA1
fc652796acc181c273178ff28d644326e680faa4
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SHA256
bf3d9d4d69e2a0ee25add9946afbf831a7baafeb4841da2ff09c8073536b3682
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SHA512
25e6d7acaf91ac2c2f086cd4478fc70dfce97371f142ba3b5c0caa89e41930336d4e1f3633adc43d9dfba0cd482858f8c6b7e4f092568fe2f50b4bd58eb1a288
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SSDEEP
49152:FGXveWJXfJE9su6BU9KliY9yB9x6oioE3g9:sTJgsu6BU9emooh9
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 5060 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe 5060 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 5060 wrote to memory of 2496 5060 AcroRd32.exe RdrCEF.exe PID 5060 wrote to memory of 2496 5060 AcroRd32.exe RdrCEF.exe PID 5060 wrote to memory of 2496 5060 AcroRd32.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 5072 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 RdrCEF.exe RdrCEF.exe PID 2496 wrote to memory of 544 2496 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 Argument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=9873B62B543AA333D4E2E30068970208 --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=9873B62B543AA333D4E2E30068970208 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --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=CB4E4F5CF2003E33D9F0859654F4FF48 --mojo-platform-channel-handle=1856 --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=1DC12270D969B546AE7D683EC2B966C5 --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=1DC12270D969B546AE7D683EC2B966C5 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --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=5CBEDF1A1D211C66B63F9F131A27C1BE --mojo-platform-channel-handle=2436 --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=D142D5E46B20008B8AABD0EC20D34FBE --mojo-platform-channel-handle=1888 --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=4511B5B38FB26E04C6F47D3888F73AB0 --mojo-platform-channel-handle=2116 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/544-138-0x0000000000000000-mapping.dmp
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memory/2496-132-0x0000000000000000-mapping.dmp
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memory/2924-147-0x0000000000000000-mapping.dmp
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memory/3444-142-0x0000000000000000-mapping.dmp
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memory/3472-150-0x0000000000000000-mapping.dmp
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memory/4748-153-0x0000000000000000-mapping.dmp
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memory/5072-134-0x0000000000000000-mapping.dmp