Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2024 20:28
Behavioral task
behavioral1
Sample
8a216f3a08b661d1077d8e10c0952784e1a42e1258856de1a0c5d5789aa65fb0N.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8a216f3a08b661d1077d8e10c0952784e1a42e1258856de1a0c5d5789aa65fb0N.pdf
Resource
win10v2004-20240802-en
General
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Target
8a216f3a08b661d1077d8e10c0952784e1a42e1258856de1a0c5d5789aa65fb0N.pdf
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Size
611KB
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MD5
eca98d9abb58ef7be74a2dc533e91e30
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SHA1
5f7273910b491b84c19c4033b83fd656906287b2
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SHA256
8a216f3a08b661d1077d8e10c0952784e1a42e1258856de1a0c5d5789aa65fb0
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SHA512
ebc1f9e16c3c4608763e9c703b2213af11bf94970438e4175c11a3e3959117d2d271707e5a9e59659d79db58ead97c27be6d14e1b5c5a8956e13b7bcd19be8c5
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SSDEEP
12288:khoUX4JQumfCr7hLDpGqf79FhWXnpAngQypepuPEImBJaNs+D:kIQErtLDpGqD9FOnQu8IuaN5D
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4324 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe 4324 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4324 wrote to memory of 4196 4324 AcroRd32.exe 82 PID 4324 wrote to memory of 4196 4324 AcroRd32.exe 82 PID 4324 wrote to memory of 4196 4324 AcroRd32.exe 82 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 1528 4196 RdrCEF.exe 83 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84 PID 4196 wrote to memory of 3148 4196 RdrCEF.exe 84
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\8a216f3a08b661d1077d8e10c0952784e1a42e1258856de1a0c5d5789aa65fb0N.pdf"1⤵
- System Location Discovery: System Language Discovery
- 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:4324 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4196 -
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=71A7374FF99BDB631DD42CB1F9D7EA90 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1528
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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=452022FE5C71E44575CF824BAE9F2BCE --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=4 --enable-main-frame-before-activation --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=452022FE5C71E44575CF824BAE9F2BCE --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:3148
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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=2DA3980C70BB30D1A0152CA3F458B98E --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3076
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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=6067A1172005A0A293AF5AD48593C6A5 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4868
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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=52DFB2C754DD88A1D64D84B0C2ED6B73 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4524
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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=B23ACA8695A0D8AF3794D79E0568C933 --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=4 --enable-main-frame-before-activation --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=B23ACA8695A0D8AF3794D79E0568C933 --renderer-client-id=7 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2468
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3216
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD507293e763de7069b4dc90b785f1ed1e3
SHA1293d081785f7b94a654d1f175ea9103249af27e1
SHA2563378e788934a872b2601b48abe74a1454f94503e7329d1ad1ec8caa0679bb9e1
SHA512f7c12e5f0629d468588722da9e4c2e20eda9563b896754fcedd530b5cd484ef806dca69bbe3d2823bdbb60a480f57f76fee0605a2528e508a554ad41cc9e7451
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5