Analysis
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max time kernel
121s -
max time network
156s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
09-12-2021 14:47
Behavioral task
behavioral1
Sample
261.pdf
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
261.pdf
Resource
win10-en-20211208
windows10_x64
0 signatures
0 seconds
General
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Target
261.pdf
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Size
127KB
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MD5
c2bcf27f583090e9da97dfd49df5b11c
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SHA1
3c8e4f8918e0490b517809a44ed8e6ea616b4ef3
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SHA256
56bbe8cce06d7a59a813a10dcbcbf393632f2f676505164529e197dbd6cf24f4
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SHA512
93ef199184b0dc285b33e1b57a4a53ee4cde5a627f3577f1076f5429cd01703f50b5fe6f2c37e106d7efac18a9969c63d42a15af4e2be9cd8db1e42b44255e15
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 18 IoCs
Processes:
AcroRd32.exepid process 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3168 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe 3168 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3168 wrote to memory of 1228 3168 AcroRd32.exe RdrCEF.exe PID 3168 wrote to memory of 1228 3168 AcroRd32.exe RdrCEF.exe PID 3168 wrote to memory of 1228 3168 AcroRd32.exe RdrCEF.exe PID 3168 wrote to memory of 2380 3168 AcroRd32.exe RdrCEF.exe PID 3168 wrote to memory of 2380 3168 AcroRd32.exe RdrCEF.exe PID 3168 wrote to memory of 2380 3168 AcroRd32.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 708 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 RdrCEF.exe RdrCEF.exe PID 1228 wrote to memory of 640 1228 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\261.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=D0B13E4E02D3C950AE30CF05FED11AAB --mojo-platform-channel-handle=1632 --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=DA2931776EBF8F93DAFC6576C1FAAD79 --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=DA2931776EBF8F93DAFC6576C1FAAD79 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=B029B89251AD3BD96BC811D20B30776A --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=B029B89251AD3BD96BC811D20B30776A --renderer-client-id=4 --mojo-platform-channel-handle=2068 --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=10CA5C308888DA0877FDB880724CE536 --mojo-platform-channel-handle=1700 --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=CC67DA35EDA3CB58AAC1C7AD18544BE9 --mojo-platform-channel-handle=2560 --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=0C2199DCF236F605E57F66FADEBC38A5 --mojo-platform-channel-handle=2548 --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" --backgroundcolor=165140432⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/640-121-0x0000000077932000-0x0000000077933000-memory.dmpFilesize
4KB
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memory/640-126-0x0000000001230000-0x0000000001231000-memory.dmpFilesize
4KB
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memory/640-125-0x0000000000E60000-0x0000000000E61000-memory.dmpFilesize
4KB
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memory/640-123-0x0000000000000000-mapping.dmp
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memory/640-122-0x000000000121F000-0x0000000001220000-memory.dmpFilesize
4KB
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memory/708-120-0x0000000000CD0000-0x0000000000CD1000-memory.dmpFilesize
4KB
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memory/708-119-0x0000000000000000-mapping.dmp
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memory/708-117-0x0000000077932000-0x0000000077933000-memory.dmpFilesize
4KB
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memory/708-118-0x0000000000FA3000-0x0000000000FA4000-memory.dmpFilesize
4KB
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memory/1172-127-0x0000000077932000-0x0000000077933000-memory.dmpFilesize
4KB
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memory/1172-128-0x0000000000DA8000-0x0000000000DA9000-memory.dmpFilesize
4KB
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memory/1172-129-0x0000000000000000-mapping.dmp
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memory/1228-115-0x0000000000000000-mapping.dmp
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memory/1436-135-0x0000000000000000-mapping.dmp
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memory/1436-133-0x0000000077932000-0x0000000077933000-memory.dmpFilesize
4KB
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memory/1436-134-0x0000000000DAE000-0x0000000000DAF000-memory.dmpFilesize
4KB
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memory/2380-116-0x0000000000000000-mapping.dmp
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memory/2532-137-0x0000000077932000-0x0000000077933000-memory.dmpFilesize
4KB
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memory/2532-138-0x0000000000DA6000-0x0000000000DA7000-memory.dmpFilesize
4KB
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memory/2532-139-0x0000000000000000-mapping.dmp
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memory/2560-141-0x0000000077932000-0x0000000077933000-memory.dmpFilesize
4KB
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memory/2560-142-0x0000000000DA5000-0x0000000000DA6000-memory.dmpFilesize
4KB
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memory/2560-143-0x0000000000000000-mapping.dmp