Analysis
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max time kernel
110s -
max time network
129s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
04-01-2022 09:00
Behavioral task
behavioral1
Sample
CONFIDENTIAL_2870.pdf
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
CONFIDENTIAL_2870.pdf
Resource
win10-en-20211208
windows10_x64
0 signatures
0 seconds
General
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Target
CONFIDENTIAL_2870.pdf
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Size
154KB
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MD5
256aaff27c8be24721a1bc40f6a5aecd
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SHA1
3f2eebbb065c0f4f0d6cbf7d918ebbb63d5f5373
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SHA256
21521872ee249e48cfa682209fd96abf0a0a960a9b1d652891582123b9187258
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SHA512
fc4acf23c76e2b7821df1381f9ab0cb4349556714d597b2f33ebdb1f3eaa2ea8c01e720931bab71a17a12b9bb4664e27fd288eb878fcd118517af3a7c09f72d8
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-1-5-21-2361464256-2201551969-2316606395-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2384 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe 2384 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2384 wrote to memory of 3308 2384 AcroRd32.exe RdrCEF.exe PID 2384 wrote to memory of 3308 2384 AcroRd32.exe RdrCEF.exe PID 2384 wrote to memory of 3308 2384 AcroRd32.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 3104 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 RdrCEF.exe RdrCEF.exe PID 3308 wrote to memory of 660 3308 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\CONFIDENTIAL_2870.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=6A5DB0A10F671FB5FF5E4BFDE7BC8257 --mojo-platform-channel-handle=1644 --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=C430439D0E02289D3CC0405C7CD7280F --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=C430439D0E02289D3CC0405C7CD7280F --renderer-client-id=2 --mojo-platform-channel-handle=1660 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=AC81F4D1E3AB84C04EC86D1B3187C3ED --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=AC81F4D1E3AB84C04EC86D1B3187C3ED --renderer-client-id=4 --mojo-platform-channel-handle=2088 --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=6A2299387BD0B56EF6E2B197793B42A1 --mojo-platform-channel-handle=2476 --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=2C7C5E24B96464E6B0E617C4E79629EC --mojo-platform-channel-handle=2484 --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=54B1D6CFA43E989D6450DE687D958A88 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/660-121-0x000000000157B000-0x000000000157C000-memory.dmpFilesize
4KB
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memory/660-120-0x00000000779A2000-0x00000000779A3000-memory.dmpFilesize
4KB
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memory/660-122-0x0000000000000000-mapping.dmp
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memory/660-124-0x00000000014C0000-0x00000000014C1000-memory.dmpFilesize
4KB
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memory/660-125-0x0000000001590000-0x0000000001591000-memory.dmpFilesize
4KB
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memory/1228-127-0x0000000001572000-0x0000000001573000-memory.dmpFilesize
4KB
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memory/1228-128-0x0000000000000000-mapping.dmp
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memory/1228-126-0x00000000779A2000-0x00000000779A3000-memory.dmpFilesize
4KB
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memory/2992-142-0x0000000000000000-mapping.dmp
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memory/2992-141-0x000000000157B000-0x000000000157C000-memory.dmpFilesize
4KB
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memory/2992-140-0x00000000779A2000-0x00000000779A3000-memory.dmpFilesize
4KB
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memory/3104-116-0x00000000779A2000-0x00000000779A3000-memory.dmpFilesize
4KB
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memory/3104-117-0x000000000157D000-0x000000000157E000-memory.dmpFilesize
4KB
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memory/3104-118-0x0000000000000000-mapping.dmp
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memory/3104-119-0x00000000014A0000-0x00000000014A1000-memory.dmpFilesize
4KB
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memory/3308-115-0x0000000000000000-mapping.dmp
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memory/3568-132-0x00000000779A2000-0x00000000779A3000-memory.dmpFilesize
4KB
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memory/3568-133-0x0000000000B18000-0x0000000000B19000-memory.dmpFilesize
4KB
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memory/3568-134-0x0000000000000000-mapping.dmp
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memory/4092-137-0x0000000000A76000-0x0000000000A77000-memory.dmpFilesize
4KB
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memory/4092-136-0x00000000779A2000-0x00000000779A3000-memory.dmpFilesize
4KB
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memory/4092-138-0x0000000000000000-mapping.dmp