Analysis
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max time kernel
120s -
max time network
145s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
29-10-2021 19:10
Behavioral task
behavioral1
Sample
cqnbo.05 fxjl.qfqmy05 za.bx05 lyxcpjn.05 nxuqcvin.05 pxii.mms05 gezbrks05 .euzh.yxb05 wx.eimjv05 uicoa.elzz05 woa.pdf
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
cqnbo.05 fxjl.qfqmy05 za.bx05 lyxcpjn.05 nxuqcvin.05 pxii.mms05 gezbrks05 .euzh.yxb05 wx.eimjv05 uicoa.elzz05 woa.pdf
Resource
win10-en-20210920
General
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Target
cqnbo.05 fxjl.qfqmy05 za.bx05 lyxcpjn.05 nxuqcvin.05 pxii.mms05 gezbrks05 .euzh.yxb05 wx.eimjv05 uicoa.elzz05 woa.pdf
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Size
122KB
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MD5
08b459ce08c3322f41c15608fa303513
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SHA1
81d6af448746b7de70de351912bd97e9b3f43408
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SHA256
960a5422d16d830e1e9dd756e8604b0dacdd2d39f0178a5ea7aa0d58fd530ccc
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SHA512
dc3670c6f361f0f7c6919d825cac4b5063d386f4b7bdfa54b23524cc63f6d260c5203929144c25b18cafe04235aa7318ba7572f5339e1206ae0ce555d22a7eb8
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4284 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe 4284 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4284 wrote to memory of 4376 4284 AcroRd32.exe RdrCEF.exe PID 4284 wrote to memory of 4376 4284 AcroRd32.exe RdrCEF.exe PID 4284 wrote to memory of 4376 4284 AcroRd32.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3728 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 RdrCEF.exe RdrCEF.exe PID 4376 wrote to memory of 3956 4376 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\cqnbo.05 fxjl.qfqmy05 za.bx05 lyxcpjn.05 nxuqcvin.05 pxii.mms05 gezbrks05 .euzh.yxb05 wx.eimjv05 uicoa.elzz05 woa.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=6F328D2F1FE659D716EC016E6AFE43A3 --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=52308A2D1BCBD35AD046D227E9279589 --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=52308A2D1BCBD35AD046D227E9279589 --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=8A0C7BF6AD5F5993DE54FD56C259EC98 --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=4FD969D111FEDD965FF1A3DC00E16AD7 --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=4FD969D111FEDD965FF1A3DC00E16AD7 --renderer-client-id=5 --mojo-platform-channel-handle=1880 --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=36FF933CA4B4A9DE539E468A11353A7F --mojo-platform-channel-handle=2428 --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=68FD2C1505B0751537972C10F6797068 --mojo-platform-channel-handle=2312 --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/1260-127-0x0000000000BC8000-0x0000000000BC9000-memory.dmpFilesize
4KB
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memory/1260-126-0x0000000077A72000-0x0000000077A73000-memory.dmpFilesize
4KB
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memory/1260-128-0x0000000000000000-mapping.dmp
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memory/2336-131-0x0000000000F71000-0x0000000000F72000-memory.dmpFilesize
4KB
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memory/2336-130-0x0000000077A72000-0x0000000077A73000-memory.dmpFilesize
4KB
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memory/2336-132-0x0000000000000000-mapping.dmp
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memory/2492-137-0x0000000000FB2000-0x0000000000FB3000-memory.dmpFilesize
4KB
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memory/2492-138-0x0000000000000000-mapping.dmp
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memory/2492-136-0x0000000077A72000-0x0000000077A73000-memory.dmpFilesize
4KB
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memory/3728-118-0x0000000000000000-mapping.dmp
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memory/3728-120-0x0000000000AF0000-0x0000000000AF1000-memory.dmpFilesize
4KB
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memory/3728-116-0x0000000077A72000-0x0000000077A73000-memory.dmpFilesize
4KB
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memory/3728-117-0x0000000000BC4000-0x0000000000BC5000-memory.dmpFilesize
4KB
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memory/3956-119-0x0000000077A72000-0x0000000077A73000-memory.dmpFilesize
4KB
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memory/3956-121-0x0000000001008000-0x0000000001009000-memory.dmpFilesize
4KB
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memory/3956-125-0x00000000010F0000-0x00000000010F1000-memory.dmpFilesize
4KB
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memory/3956-124-0x0000000000C50000-0x0000000000C51000-memory.dmpFilesize
4KB
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memory/3956-122-0x0000000000000000-mapping.dmp
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memory/4188-140-0x0000000077A72000-0x0000000077A73000-memory.dmpFilesize
4KB
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memory/4188-141-0x0000000000BC9000-0x0000000000BCA000-memory.dmpFilesize
4KB
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memory/4188-142-0x0000000000000000-mapping.dmp
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memory/4376-115-0x0000000000000000-mapping.dmp