Analysis
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max time kernel
139s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-09-2024 01:16
Behavioral task
behavioral1
Sample
4cfa7e72c072e72469fe9835473b27108ad17db26efb71423473a99f56208e60.pdf
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
4cfa7e72c072e72469fe9835473b27108ad17db26efb71423473a99f56208e60.pdf
Resource
win10v2004-20240802-en
General
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Target
4cfa7e72c072e72469fe9835473b27108ad17db26efb71423473a99f56208e60.pdf
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Size
95KB
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MD5
072346607cbbe595f8619f88b3dde07a
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SHA1
f774d0ae4cfeddf086580ea36052482addb58133
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SHA256
4cfa7e72c072e72469fe9835473b27108ad17db26efb71423473a99f56208e60
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SHA512
7fb41e19cc241f3285e7e1278e11a9f8268d1a83f0cba72db2f0498f9c86a9375500e82cb838f1d15fe58bb034536ce2ce2ebee1f359f9938e231fea07bd6034
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SSDEEP
1536:lOPfj2kkws0wi+HaG2fYDFI7x7lNn0eQLrre60nNBW8pO+kAWaWuwDCnurUlTxbm:CKNHaGj+xRNfInAn2+kpAMCn6UlU
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 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 -
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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1140 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe 1140 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1140 wrote to memory of 4480 1140 AcroRd32.exe 91 PID 1140 wrote to memory of 4480 1140 AcroRd32.exe 91 PID 1140 wrote to memory of 4480 1140 AcroRd32.exe 91 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 3540 4480 RdrCEF.exe 92 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93 PID 4480 wrote to memory of 1060 4480 RdrCEF.exe 93
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\4cfa7e72c072e72469fe9835473b27108ad17db26efb71423473a99f56208e60.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:1140 -
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:4480 -
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=631DE456B1804F5A999981C2BFBEB185 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3540
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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=8F11D2A932751E221FE05273B3C6BF3C --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=8F11D2A932751E221FE05273B3C6BF3C --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1060
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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=9BACEDCBD9AEC853952F2DA9F40DACB0 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4916
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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=D3B538564C48B854AC5B642BA51AC1F8 --mojo-platform-channel-handle=2472 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:720
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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=F8333EF3FCB9840A92FEAFE7734ADD0D --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=F8333EF3FCB9840A92FEAFE7734ADD0D --renderer-client-id=6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1536
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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=F215990903839E21245466C410AFD3B3 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4972
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3112
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD56d4ccdea23a9269de2ef481c203ee465
SHA17992765f26f2976ece7235880655e4b38a76ac28
SHA2566bc7a5ade0bc1b52b54cfc0f5f82b325aab3176a4d553fa9673b0b35344d3c3b
SHA51258cdfd6f499cbbce2bc3c4715cc8a4b262642e8d74b365d04789403fab378aa2b893920e9851a371d2badda8aa7a7228107bfaddee89df6ad81f183be73f1619
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5