Analysis
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max time kernel
125s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
02-05-2022 21:28
Behavioral task
behavioral1
Sample
cb918a6f38d8e71148611772c2764791c16fe596f604b3e45af844f51cf86077.pdf
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
cb918a6f38d8e71148611772c2764791c16fe596f604b3e45af844f51cf86077.pdf
Resource
win10v2004-20220414-en
General
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Target
cb918a6f38d8e71148611772c2764791c16fe596f604b3e45af844f51cf86077.pdf
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Size
32KB
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MD5
8e3da494987d6fdb90b7f501d4f48661
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SHA1
25fdaecc1030f516feabfb453f53b99734302408
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SHA256
cb918a6f38d8e71148611772c2764791c16fe596f604b3e45af844f51cf86077
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SHA512
e924aa6250bb2da24101b0ce9b015a649180c2b267644ee3ad14c2459f9eb93e11d9d7fe29f6f9eeaf7823445b30ad6850caac746f4cd405b1f1af3277b2b481
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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4988 AdobeARM.exe 4988 AdobeARM.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4948 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4948 AcroRd32.exe 4988 AdobeARM.exe 4948 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4948 wrote to memory of 4596 4948 AcroRd32.exe RdrCEF.exe PID 4948 wrote to memory of 4596 4948 AcroRd32.exe RdrCEF.exe PID 4948 wrote to memory of 4596 4948 AcroRd32.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2204 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 RdrCEF.exe RdrCEF.exe PID 4596 wrote to memory of 2308 4596 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\cb918a6f38d8e71148611772c2764791c16fe596f604b3e45af844f51cf86077.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=ECAD9E731B888B1F746357D6DE5C7F42 --mojo-platform-channel-handle=1732 --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=15B8445CFFE6A9DF23D75D49F7EBAF18 --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=15B8445CFFE6A9DF23D75D49F7EBAF18 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --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=3BAD0E0AE1F58DD2F4626EAAA696BDDC --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=21EA161244F6B6A6ED2CFFECD34567F7 --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=21EA161244F6B6A6ED2CFFECD34567F7 --renderer-client-id=5 --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=ECFC449AA0EA8B9024A60E138ACBCF78 --mojo-platform-channel-handle=1816 --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=CD7A30577DFD826C678A1059AAA8C9DE --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe"C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:19.0 /MODE:32⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"3⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/776-154-0x0000000000000000-mapping.dmp
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memory/2204-132-0x0000000000000000-mapping.dmp
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memory/2256-151-0x0000000000000000-mapping.dmp
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memory/2308-135-0x0000000000000000-mapping.dmp
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memory/3168-143-0x0000000000000000-mapping.dmp
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memory/4272-148-0x0000000000000000-mapping.dmp
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memory/4308-140-0x0000000000000000-mapping.dmp
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memory/4596-130-0x0000000000000000-mapping.dmp
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memory/4988-153-0x0000000000000000-mapping.dmp