Analysis
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max time kernel
141s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-09-2024 08:00
Behavioral task
behavioral1
Sample
4157f34bb3401d9eda0c9ffed70d2d2a93306997956e773655226934d881e242.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4157f34bb3401d9eda0c9ffed70d2d2a93306997956e773655226934d881e242.pdf
Resource
win10v2004-20240802-en
General
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Target
4157f34bb3401d9eda0c9ffed70d2d2a93306997956e773655226934d881e242.pdf
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Size
82KB
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MD5
653f0004a3acb201018390f5e30c3764
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SHA1
0e55a8b7421975a76c7841adfe0d7bf464e52d8a
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SHA256
4157f34bb3401d9eda0c9ffed70d2d2a93306997956e773655226934d881e242
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SHA512
4af4307f5d03dd5522dc2edf7d27681987ba2717f37b7514d3771b9e01a39292ac7daa8445cfeb9b8e21207c70e72e7e1fb03a775113a1acd9c18a125d3fac69
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SSDEEP
1536:+4MEcYvUDK0efNFIOq39ZRwzjBui/Ixvgs7uO6WGpOK5WoQQFWInNDhgRd:HxJvsd+NF5qNzEBuiCv/7uOjKKQdhE
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 RdrCEF.exe 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 -
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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1636 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe 1636 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1636 wrote to memory of 2236 1636 AcroRd32.exe 90 PID 1636 wrote to memory of 2236 1636 AcroRd32.exe 90 PID 1636 wrote to memory of 2236 1636 AcroRd32.exe 90 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 2008 2236 RdrCEF.exe 91 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92 PID 2236 wrote to memory of 5036 2236 RdrCEF.exe 92
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\4157f34bb3401d9eda0c9ffed70d2d2a93306997956e773655226934d881e242.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:1636 -
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:2236 -
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=5D605EDA4F1A08B35DAFB1DF993FF441 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2008
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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=A7E21EBAB2AE5EF5808D4237EC8A8D64 --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=A7E21EBAB2AE5EF5808D4237EC8A8D64 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:5036
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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=B4E9D78670870F593E25B84EEA0DD4C3 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3592
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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=A4076C46CDC618BB44672C6981392545 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4480
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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=821146E4F0682042E471EDFA63764BF7 --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=821146E4F0682042E471EDFA63764BF7 --renderer-client-id=6 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1288
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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=A9ED15B5BE5F34EA2F1C59C9AF9223B6 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3564
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3676
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD54e48de6bb131586727d29c2ee0f31804
SHA12f2a4803ac07b70020d3e0555eb87a09feb1e98e
SHA256c0d33e6be8e100b0840a8d3115b679c467bf489b28e6b88a6615e719a81489c9
SHA51215cfd96a0d03193e97ccae670ea471503d0d722dd4013927641933c92dc32dbfc7fef07d85bc6f1641651dedc83a18288b9d4efe417ff4706426cb5366b6d78d
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5