Analysis
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max time kernel
90s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19-08-2022 13:28
Behavioral task
behavioral1
Sample
CONVOCATORIA.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
CONVOCATORIA.pdf
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
CONVOCATORIA.pdf
Resource
win11-20220223-en
Behavioral task
behavioral4
Sample
CONVOCATORIA.pdf
Resource
android-x64-20220621-en
Behavioral task
behavioral5
Sample
CONVOCATORIA.pdf
Resource
android-x64-arm64-20220621-en
Behavioral task
behavioral6
Sample
CONVOCATORIA.pdf
Resource
macos-20220504-en
Behavioral task
behavioral7
Sample
CONVOCATORIA.pdf
Resource
ubuntu1804-amd64-en-20211208
General
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Target
CONVOCATORIA.pdf
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Size
163KB
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MD5
c4ce9f6b71fdd8767d1171a10c1da609
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SHA1
0ae8504f316cd3553591d79c39ad7d3342ee04e9
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SHA256
9e1dc58abf4381e7d62664a649e10f55ec0d8ad5565072e4747aa762f1f3f2b2
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SHA512
dc6fe85ac83f31ab5f86a0e5aa8b96c1410927dac4c3ef92f094250842eaf7478d2809a646a32aee5c8c337e43ea3dc4de599c6b8e2671aaa064f76d26aa5ed5
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3508 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3508 wrote to memory of 3736 3508 AcroRd32.exe RdrCEF.exe PID 3508 wrote to memory of 3736 3508 AcroRd32.exe RdrCEF.exe PID 3508 wrote to memory of 3736 3508 AcroRd32.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 2268 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 RdrCEF.exe RdrCEF.exe PID 3736 wrote to memory of 812 3736 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\CONVOCATORIA.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=86FC5E1563431469D71D2209914A6A24 --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=86FC5E1563431469D71D2209914A6A24 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --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=9F7EBC6AD96F50AEF653EE6E9CDAFAE5 --mojo-platform-channel-handle=1744 --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=6E1922F7FD5112809F36356F09027832 --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=6E1922F7FD5112809F36356F09027832 --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=EC0E1C40AD0573532137A4DA664AEB67 --mojo-platform-channel-handle=2540 --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=531B3E5EF8C9EAFEA8F07EA79DFA25C0 --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=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=DD244891F9FCB5C94F56C1FDBEAD7D9F --mojo-platform-channel-handle=2108 --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/388-147-0x0000000000000000-mapping.dmp
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memory/812-139-0x0000000000000000-mapping.dmp
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memory/1072-142-0x0000000000000000-mapping.dmp
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memory/1840-153-0x0000000000000000-mapping.dmp
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memory/2032-150-0x0000000000000000-mapping.dmp
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memory/2268-134-0x0000000000000000-mapping.dmp
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memory/3736-132-0x0000000000000000-mapping.dmp