Analysis
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max time kernel
126s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
19-02-2022 21:13
Behavioral task
behavioral1
Sample
cffa2e23219aa4d4d9f2a9dc0c9ea6e3572afdede730e151d380ea9f9dcd792f.pdf
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
cffa2e23219aa4d4d9f2a9dc0c9ea6e3572afdede730e151d380ea9f9dcd792f.pdf
Resource
win10v2004-en-20220113
General
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Target
cffa2e23219aa4d4d9f2a9dc0c9ea6e3572afdede730e151d380ea9f9dcd792f.pdf
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Size
203KB
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MD5
80149a26ee10786d6f7deaf9fb840314
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SHA1
17a6b980489fa05ad51ebcaa480213e2e9ae73c2
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SHA256
cffa2e23219aa4d4d9f2a9dc0c9ea6e3572afdede730e151d380ea9f9dcd792f
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SHA512
330678ae868ea8f5ad696f668b61dd2b5559735068831a9723a8715c6679c0c93ea95079f88f5920e6ba2e8e8999261e2a7541cf4eb0f74785f30c7d3d322b23
Malware Config
Signatures
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Drops file in Windows directory 6 IoCs
Processes:
svchost.exedescription ioc process File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe -
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-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4764 AdobeARM.exe 4764 AdobeARM.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
svchost.exedescription pid process Token: SeShutdownPrivilege 2324 svchost.exe Token: SeCreatePagefilePrivilege 2324 svchost.exe Token: SeShutdownPrivilege 2324 svchost.exe Token: SeCreatePagefilePrivilege 2324 svchost.exe Token: SeShutdownPrivilege 2324 svchost.exe Token: SeCreatePagefilePrivilege 2324 svchost.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4076 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exeAdobeARM.exepid process 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4076 AcroRd32.exe 4764 AdobeARM.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4076 wrote to memory of 2828 4076 AcroRd32.exe RdrCEF.exe PID 4076 wrote to memory of 2828 4076 AcroRd32.exe RdrCEF.exe PID 4076 wrote to memory of 2828 4076 AcroRd32.exe RdrCEF.exe PID 4076 wrote to memory of 4956 4076 AcroRd32.exe RdrCEF.exe PID 4076 wrote to memory of 4956 4076 AcroRd32.exe RdrCEF.exe PID 4076 wrote to memory of 4956 4076 AcroRd32.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4176 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 RdrCEF.exe RdrCEF.exe PID 2828 wrote to memory of 4580 2828 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\cffa2e23219aa4d4d9f2a9dc0c9ea6e3572afdede730e151d380ea9f9dcd792f.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
PID:4076 -
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
PID:2828 -
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=0844233B449D37DE0E3BF791DF58879E --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4176
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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=A62E6468A54B825BE859AD3788355807 --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=A62E6468A54B825BE859AD3788355807 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:4580
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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=9E02108B892728F2A6818499633A04A8 --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=9E02108B892728F2A6818499633A04A8 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:13⤵PID:1096
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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=EFA0D916B517A59FE7E4934D45CA9E9C --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4192
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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=BBDA3B6472ACF94A00115A5664C49C2D --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:388
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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=3A080135A99B4146AB217CB2C1CDC1C8 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2016
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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⤵PID:4956
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C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe"C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:19.0 /MODE:32⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4764 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"3⤵PID:3524
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2324
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3364