Analysis
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max time kernel
122s -
max time network
170s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
28-01-2022 18:53
Behavioral task
behavioral1
Sample
ANEXO-Recibo.pdf
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
ANEXO-Recibo.pdf
Resource
win10-en-20211208
0 signatures
0 seconds
General
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Target
ANEXO-Recibo.pdf
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Size
10KB
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MD5
39555d3cef46b99cb794f92737825d90
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SHA1
64a9161a0b3c9283ba93efdfbabf888054cdc5e0
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SHA256
18e0f6ab78162851876e9f719e54adf237cb5f9ec12c93ac9c2ac59292dbcfc9
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SHA512
f30ee43a7f9a94f60430602c0f4d07b9c6e80a13dacea455e802d412f1482c2c598929501c0a4d9c18325352c05e9a46ad72134bb6318a86a1fb97af311a2b49
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-1-5-21-369956170-74428499-1628131376-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
AcroRd32.exepid process 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2736 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe 2736 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2736 wrote to memory of 3608 2736 AcroRd32.exe RdrCEF.exe PID 2736 wrote to memory of 3608 2736 AcroRd32.exe RdrCEF.exe PID 2736 wrote to memory of 3608 2736 AcroRd32.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 608 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 RdrCEF.exe RdrCEF.exe PID 3608 wrote to memory of 3704 3608 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\ANEXO-Recibo.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=4F269B37CFC78FACA3538D212F41B3AF --mojo-platform-channel-handle=1620 --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=4F1D3E70B7B3211D37C355BD289BDD82 --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=4F1D3E70B7B3211D37C355BD289BDD82 --renderer-client-id=2 --mojo-platform-channel-handle=1636 --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=63DBB531E7146A77D574DB5BD73EDFED --mojo-platform-channel-handle=1876 --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=1EC002C1F3546569E0462DF764680CFD --mojo-platform-channel-handle=2076 --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=C1AE818D9767FE65CC85AD8D3821F192 --mojo-platform-channel-handle=1944 --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=A35AC8CCC6D615DD34161C0C07698027 --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=A35AC8CCC6D615DD34161C0C07698027 --renderer-client-id=8 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:13⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/608-118-0x0000000076FA2000-0x0000000076FA3000-memory.dmpFilesize
4KB
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memory/868-123-0x0000000076FA2000-0x0000000076FA3000-memory.dmpFilesize
4KB
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memory/1792-132-0x0000000076FA2000-0x0000000076FA3000-memory.dmpFilesize
4KB
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memory/2788-129-0x0000000076FA2000-0x0000000076FA3000-memory.dmpFilesize
4KB
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memory/2904-135-0x0000000076FA2000-0x0000000076FA3000-memory.dmpFilesize
4KB
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memory/3704-121-0x0000000076FA2000-0x0000000076FA3000-memory.dmpFilesize
4KB