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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
07/01/2024, 15:26
Behavioral task
behavioral1
Sample
4959570c7546549e317d25b17a30d7f1.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4959570c7546549e317d25b17a30d7f1.pdf
Resource
win10v2004-20231222-en
General
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Target
4959570c7546549e317d25b17a30d7f1.pdf
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Size
86KB
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MD5
4959570c7546549e317d25b17a30d7f1
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SHA1
19455fb59288db75029616e002ad4a706dc286ce
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SHA256
dc0479bb4beb83e36d810006a2be313b3f66c95f60e239503e79f8f185de1c6b
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SHA512
d2c19185b33c1ff044c35b7198f5013ff1678e68655f74c762e552481ccbce3e7587e7d2b32bfdb73b524469e961cb33cd2e4ee7da1da4175ad8e4b7aa9f0657
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SSDEEP
1536:Y/REaAfbE7vqVQ3A9z0vfXcxOA7Bkq4N+hyiwHnUCBm1WZkxr7iWxApOGoB0NBSa:TxE7vq0Y0vvYOA7Bk5+hyiw0CB307H3A
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.
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3328 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe 3328 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3328 wrote to memory of 2952 3328 AcroRd32.exe 91 PID 3328 wrote to memory of 2952 3328 AcroRd32.exe 91 PID 3328 wrote to memory of 2952 3328 AcroRd32.exe 91 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 4244 2952 RdrCEF.exe 92 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 RdrCEF.exe 93 PID 2952 wrote to memory of 1824 2952 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\4959570c7546549e317d25b17a30d7f1.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:3328 -
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:2952 -
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=3A1AA945B7EEC6CD2F026347D3E21AE5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4244
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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=D143C15AE186848D9B469B8980E1E095 --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=D143C15AE186848D9B469B8980E1E095 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:1824
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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=F289575AA5DAD0F59A49F2A459C63E49 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:944
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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=64EB8839DAC217DE70BD6C4BB9E2401F --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=64EB8839DAC217DE70BD6C4BB9E2401F --renderer-client-id=5 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:13⤵PID:3564
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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=0676AED8BB0AAD4438724F1F34C94838 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:948
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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=1C5F8DE7B22F5B343DE0472FE46977A7 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4640
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4072
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD586850ae8cabfc9b8b359c605908d34f9
SHA10822e094da0c7b3249358ba879bfd75409a9ff0a
SHA256e11a80bdb80836a4278765a64f0c8a2653cb1ee3820d1a52c69192c4aca3afe3
SHA5124012aa18cf009ea201dc5a702c206acfd669a93958759df48028a01fb837f73d188965b6cae931e870edae9323ad6fbab0848f3e8976f76e2b863e93a8208d2c
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5