Analysis
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max time kernel
81s -
max time network
145s -
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 11:49
Behavioral task
behavioral1
Sample
PPT/Writing_Argument _LYL.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
PPT/Writing_Argument _LYL.pdf
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
PPT/Writing_Issue_LYL.pdf
Resource
win7-20220901-en
Behavioral task
behavioral4
Sample
PPT/Writing_Issue_LYL.pdf
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
PPT/Writing_Language_LYL.pdf
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
PPT/Writing_Language_LYL.pdf
Resource
win10v2004-20220812-en
General
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Target
PPT/Writing_Issue_LYL.pdf
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Size
2.2MB
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MD5
622fb3038f651dfc3f10895b44f2d40f
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SHA1
b66747b72227c9b092e1d0c032890864cf244f42
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SHA256
7fa851f2a85a5e3a83d99dfe210dd6c9aab391fefb28d6f1f56df293468d7fe3
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SHA512
92b9014a4432e889243f4eb75801846ed6d72e333c130f768eea6f9ce6aba96813273a8b336382b780e5f02d407acaa980f935d9434c67abab5f04ea7d8fd977
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SSDEEP
24576:ds6sg5sQxowAjKfU+BF4b/UX92pmFBRVumqKrH1XAJhu10wXHRLmHnx7ryUwIoVC:d9rWQoIxF68YkF5qKYSRaHJeRIoVEocb
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 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4056 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe 4056 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4056 wrote to memory of 4316 4056 AcroRd32.exe RdrCEF.exe PID 4056 wrote to memory of 4316 4056 AcroRd32.exe RdrCEF.exe PID 4056 wrote to memory of 4316 4056 AcroRd32.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 436 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 RdrCEF.exe RdrCEF.exe PID 4316 wrote to memory of 3416 4316 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\PPT\Writing_Issue_LYL.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=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=EBF18F2EE5CC69F488E6C3AEEF9B1921 --mojo-platform-channel-handle=1748 --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=CD934CA9A072FB92958E63F717963A13 --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=CD934CA9A072FB92958E63F717963A13 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --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=9D14BA4E16C0006BC51721C2725F2AC0 --mojo-platform-channel-handle=2288 --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=79536C78ADD8BA12BB8A36DE17D378E8 --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=79536C78ADD8BA12BB8A36DE17D378E8 --renderer-client-id=5 --mojo-platform-channel-handle=2304 --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=AB2E870041EC1AD9A14CD4B245A83709 --mojo-platform-channel-handle=2420 --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=C422A2026FB26C37751355C4FCF674C4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/436-134-0x0000000000000000-mapping.dmp
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memory/820-142-0x0000000000000000-mapping.dmp
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memory/2880-153-0x0000000000000000-mapping.dmp
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memory/3416-137-0x0000000000000000-mapping.dmp
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memory/3432-145-0x0000000000000000-mapping.dmp
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memory/4316-132-0x0000000000000000-mapping.dmp
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memory/4580-150-0x0000000000000000-mapping.dmp