Analysis
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max time kernel
143s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
01/02/2024, 02:07
Behavioral task
behavioral1
Sample
85a5f8c472f4d195c82c802f01a11bca.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
85a5f8c472f4d195c82c802f01a11bca.pdf
Resource
win10v2004-20231215-en
General
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Target
85a5f8c472f4d195c82c802f01a11bca.pdf
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Size
86KB
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MD5
85a5f8c472f4d195c82c802f01a11bca
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SHA1
a180dbec3b76ee3c5f07f180fbb5772087c14583
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SHA256
879d5b1e533c53f88f936f6cfbba6e80876f68c1bd7ee05288bf5579824f2b24
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SHA512
e37a2fa64aa7a6d75fe3ba50f6855a5b85ab9bf8c4f4c216e0685043fc8712784fedd17e96f86570ef7104a14c1975fe3a13b1a2ee9ce686f92c150eb9af3a8a
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SSDEEP
1536:tZTrij7L/xrSay/jdqXYUtdKg+yxqaPBkxi0DWJxIft/CwIqkfyP/WUpO7CLx:fru7IKnKg+yxqQ4NDVa7q6yPS7S
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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4660 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe 4660 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4660 wrote to memory of 4064 4660 AcroRd32.exe 88 PID 4660 wrote to memory of 4064 4660 AcroRd32.exe 88 PID 4660 wrote to memory of 4064 4660 AcroRd32.exe 88 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4568 4064 RdrCEF.exe 89 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90 PID 4064 wrote to memory of 4580 4064 RdrCEF.exe 90
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\85a5f8c472f4d195c82c802f01a11bca.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:4660 -
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:4064 -
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=6E2A89CCC82B91A3450E7868F850FCFF --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4568
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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=1D5FEC63821467DE9B3422E8AC2A39BA --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=1D5FEC63821467DE9B3422E8AC2A39BA --renderer-client-id=2 --mojo-platform-channel-handle=1772 --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=D2EA7F3613938B72219E54D53B0256E8 --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=D2EA7F3613938B72219E54D53B0256E8 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:13⤵PID:1208
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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=577F1FD1098001782CCA49C404031957 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1852
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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=6E1D4232EF36F551F44ACD7D66F64E33 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5088
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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=29834B7FABF82BA039E993806FE625A6 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4528
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5525ad1e127bb332304d3de426cbada80
SHA16d0445fdd47f025ef5b1c489967630147828a92e
SHA256026fc2ceddbb965e5d1fabb41ed3615a5f176b72b47b148252cc49fd28ef2420
SHA512e29d18c354b89cad7b2e3fb55c14e2343188edea31d6cfd44cc519030fdc9555e0cb6df40ec8a113ae41c625934ff487e5202245bc1776cc50a6cf6fc98fc8be
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5