Analysis
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max time kernel
103s -
max time network
210s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-es -
submitted
12-05-2022 02:40
Behavioral task
behavioral1
Sample
Handbook for CTFers.pdf
Resource
win10v2004-20220414-es
windows10-2004_x64
0 signatures
0 seconds
General
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Target
Handbook for CTFers.pdf
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Size
45.9MB
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MD5
dce4c0016a80787727ebcdab463588a1
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SHA1
6311dc059260108666a33ddb7f81a4adcdca3bc5
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SHA256
6d855933bcf3b00943a7b4b214ef3cf75435bba766ad5d03468f71ff8056b4f7
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SHA512
00c62ad8efd8ba641d497b84acc88232cde776e1c22ce5200b6fd932cace06eae02a2eb5ec562bda30757eb38fabdb0855b8b99820cb5c242ae4d229ddd47c59
Score
1/10
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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1500 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
AcroRd32.exepid process 1500 AcroRd32.exe 1500 AcroRd32.exe 1500 AcroRd32.exe 1500 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1500 wrote to memory of 1788 1500 AcroRd32.exe RdrCEF.exe PID 1500 wrote to memory of 1788 1500 AcroRd32.exe RdrCEF.exe PID 1500 wrote to memory of 1788 1500 AcroRd32.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2400 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 RdrCEF.exe RdrCEF.exe PID 1788 wrote to memory of 2880 1788 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\Handbook for CTFers.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=DD581D584B42108F886384D0BCF21BFD --mojo-platform-channel-handle=1736 --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=3A3CBAD48C818F6C09AD179FBD2E0C56 --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=3A3CBAD48C818F6C09AD179FBD2E0C56 --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=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=7610BFFFC5CA687EF0FE5DCD3A61AD39 --mojo-platform-channel-handle=2300 --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=9B0C42C5AB96BF3CA7910963E33BCF0A --mojo-platform-channel-handle=1948 --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=F4171490CA425F7B5E3F652A51871827 --mojo-platform-channel-handle=1932 --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=14A27E14878F42B1507870FC42942357 --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=14A27E14878F42B1507870FC42942357 --renderer-client-id=8 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:13⤵
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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/1788-130-0x0000000000000000-mapping.dmp
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memory/2400-132-0x0000000000000000-mapping.dmp
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memory/2880-135-0x0000000000000000-mapping.dmp
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memory/3460-143-0x0000000000000000-mapping.dmp
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memory/3656-140-0x0000000000000000-mapping.dmp
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memory/4492-149-0x0000000000000000-mapping.dmp
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memory/5056-146-0x0000000000000000-mapping.dmp