Analysis
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max time kernel
120s -
max time network
149s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
19-10-2021 09:51
Behavioral task
behavioral1
Sample
2026873@251*8886@29*065324@3*26592@287*5812@927*1731@44*183@7*63420*5@5701@*64511@*559653009@*101034.pdf
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
2026873@251*8886@29*065324@3*26592@287*5812@927*1731@44*183@7*63420*5@5701@*64511@*559653009@*101034.pdf
Resource
win10-en-20210920
General
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Target
2026873@251*8886@29*065324@3*26592@287*5812@927*1731@44*183@7*63420*5@5701@*64511@*559653009@*101034.pdf
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Size
98KB
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MD5
b3b45337b55bbc21bed034a9dd79437b
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SHA1
52c4cc4e70a18dbe90ee6a4416b492dd4145b97a
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SHA256
7b0f7216d93c92fff6e6b71257ab3fdb44a075a1c77377a8b403c3a6da40b538
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SHA512
9e001a4173e1ed6cedde2090b22619eaf1477c4d93bfb275762da5df591bca7441d2364ae5b73f994a8fcb19d23eb695d72b31a213fcf03d8312348cf676f59b
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-1-5-21-2481030822-2828258191-1606198294-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
AcroRd32.exepid process 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4068 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe 4068 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4068 wrote to memory of 3972 4068 AcroRd32.exe RdrCEF.exe PID 4068 wrote to memory of 3972 4068 AcroRd32.exe RdrCEF.exe PID 4068 wrote to memory of 3972 4068 AcroRd32.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4444 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 RdrCEF.exe RdrCEF.exe PID 3972 wrote to memory of 4364 3972 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\2026873@251_8886@29_065324@3_26592@287_5812@927_1731@44_183@7_63420_5@5701@_64511@_559653009@_101034.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=4DC6DF7890317F2AF44A39846FE3093D --mojo-platform-channel-handle=1628 --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=4AD2703F3B0052799FBC476BFCD3BB1A --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=4AD2703F3B0052799FBC476BFCD3BB1A --renderer-client-id=2 --mojo-platform-channel-handle=1648 --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=554B7A5FD13A965FD00FE0FD557F2399 --mojo-platform-channel-handle=2252 --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=FE970084D05623F8E09D9CA5500ED756 --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=FE970084D05623F8E09D9CA5500ED756 --renderer-client-id=5 --mojo-platform-channel-handle=1664 --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=71CDC5CEEAE1C7E472494F7DC3E6F2C6 --mojo-platform-channel-handle=2612 --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=B769740EE968BCB1D787241BB7FBCD16 --mojo-platform-channel-handle=2340 --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/1200-126-0x0000000077802000-0x0000000077803000-memory.dmpFilesize
4KB
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memory/1200-127-0x0000000000D16000-0x0000000000D17000-memory.dmpFilesize
4KB
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memory/1200-128-0x0000000000000000-mapping.dmp
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memory/1224-130-0x0000000077802000-0x0000000077803000-memory.dmpFilesize
4KB
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memory/1224-131-0x00000000005C8000-0x00000000005C9000-memory.dmpFilesize
4KB
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memory/1224-132-0x0000000000000000-mapping.dmp
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memory/2360-138-0x0000000000000000-mapping.dmp
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memory/2360-137-0x0000000000D67000-0x0000000000D68000-memory.dmpFilesize
4KB
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memory/2360-136-0x0000000077802000-0x0000000077803000-memory.dmpFilesize
4KB
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memory/3476-142-0x0000000000000000-mapping.dmp
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memory/3476-140-0x0000000077802000-0x0000000077803000-memory.dmpFilesize
4KB
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memory/3476-141-0x0000000000A20000-0x0000000000A21000-memory.dmpFilesize
4KB
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memory/3972-115-0x0000000000000000-mapping.dmp
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memory/4364-125-0x0000000000270000-0x0000000000271000-memory.dmpFilesize
4KB
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memory/4364-120-0x0000000077802000-0x0000000077803000-memory.dmpFilesize
4KB
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memory/4364-121-0x00000000011BF000-0x00000000011C0000-memory.dmpFilesize
4KB
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memory/4364-124-0x0000000000260000-0x0000000000261000-memory.dmpFilesize
4KB
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memory/4364-122-0x0000000000000000-mapping.dmp
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memory/4444-119-0x0000000000620000-0x0000000000621000-memory.dmpFilesize
4KB
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memory/4444-116-0x0000000077802000-0x0000000077803000-memory.dmpFilesize
4KB
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memory/4444-117-0x00000000007FF000-0x0000000000800000-memory.dmpFilesize
4KB
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memory/4444-118-0x0000000000000000-mapping.dmp