Analysis
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max time kernel
116s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 16:07
Behavioral task
behavioral1
Sample
Bid Document for Howe Independent School District/Bid Document for Howe Independent School District.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Bid Document for Howe Independent School District/Bid Document for Howe Independent School District.pdf
Resource
win10v2004-20220812-en
General
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Target
Bid Document for Howe Independent School District/Bid Document for Howe Independent School District.pdf
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Size
133KB
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MD5
3f1aaba2157efd58b6fccd84fd80dd17
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SHA1
041424d51315664cc8f88d521e91b3c7213368b2
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SHA256
be5034b62024dabefdcf0aaf503d784026a1343d56fe65e5fb1ee4846a430d59
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SHA512
8fa9de3132aa3be6c98570ca23ac1202c31df1dee764cd50ec498c6e7cf2f42f02c1a4d61077e92577eec2ad1639c216fe1c508b629f801329e9951eb31be6b1
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SSDEEP
3072:UX3k/DThLmub1qPU0lmnNQq73bFjPCOMzXdokAJMv:UX3APJmu5xzNQabtP3MJpUq
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4424 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
AcroRd32.exepid process 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe 4424 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4424 wrote to memory of 1900 4424 AcroRd32.exe RdrCEF.exe PID 4424 wrote to memory of 1900 4424 AcroRd32.exe RdrCEF.exe PID 4424 wrote to memory of 1900 4424 AcroRd32.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3916 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 RdrCEF.exe RdrCEF.exe PID 1900 wrote to memory of 3484 1900 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\Bid Document for Howe Independent School District\Bid Document for Howe Independent School District.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=B1649F04F029E4B8710186A12CB3F91B --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=B1649F04F029E4B8710186A12CB3F91B --renderer-client-id=2 --mojo-platform-channel-handle=1732 --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=78F6399F2C28C7D5C81127458B3F0A9E --mojo-platform-channel-handle=1740 --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=C172963A80CCAB6AC87F060C19399467 --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=C172963A80CCAB6AC87F060C19399467 --renderer-client-id=4 --mojo-platform-channel-handle=2156 --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=589C0F339F1931D7279E9892E8076FDA --mojo-platform-channel-handle=2572 --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=40328224F832CAB563B3952AD73A6B84 --mojo-platform-channel-handle=2672 --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=349764C3DE4F09B62A654FC4C95ECECD --mojo-platform-channel-handle=2096 --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/492-142-0x0000000000000000-mapping.dmp
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memory/1900-132-0x0000000000000000-mapping.dmp
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memory/2116-150-0x0000000000000000-mapping.dmp
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memory/2480-147-0x0000000000000000-mapping.dmp
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memory/3484-137-0x0000000000000000-mapping.dmp
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memory/3784-153-0x0000000000000000-mapping.dmp
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memory/3916-134-0x0000000000000000-mapping.dmp