Analysis
- max time kernel
199s - max time network
204s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system - submitted
13/10/2023, 01:57
Behavioral task
behavioral1
Sample
evil.pdf
Resource
win7-20230831-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
evil.pdf
Resource
win10v2004-20230915-en
windows10-2004-x64
6 signatures
150 seconds
Behavioral task
behavioral3
Sample
template.exe
Resource
win7-20230831-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral4
Sample
template.exe
Resource
win10v2004-20230915-en
windows10-2004-x64
1 signatures
150 seconds
General
- Target evil.pdf
- Size 3KB
- Sample231013-cdfmksca27
- SHA256 f072b16fd37ede3d636f5342c1aced57ce69649f53766723201d4ff4cce56f27
- MD5 362ebc456ec1f71923e46eb474cda002
- SHA1 cc21fb7db587afc3a520362a0c75d97e3b13b204
- SHA512 4a5d173213be2de24e768cc1413deab455705922b5c271cc58ea529d4273c0fc5a71a5df53d9ebf8c2ed3e0ce62fc66e540a098f3400093d9a2c1e19365d8712
- MD5 SHA1 SHA512
Score
1/10
Malware Config
Signatures
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe - Modifies registry class 20 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 AcroRd32.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff AcroRd32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags AcroRd32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots AcroRd32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell AcroRd32.exe Key created \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 AcroRd32.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3936 AcroRd32.exe - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3936 AcroRd32.exe 3936 AcroRd32.exe 3936 AcroRd32.exe 3936 AcroRd32.exe 3936 AcroRd32.exe 3936 AcroRd32.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3936 wrote to memory of 4080 3936 AcroRd32.exe 93 PID 3936 wrote to memory of 4080 3936 AcroRd32.exe 93 PID 3936 wrote to memory of 4080 3936 AcroRd32.exe 93 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 4420 4080 RdrCEF.exe 94 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95 PID 4080 wrote to memory of 3680 4080 RdrCEF.exe 95
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\evil.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3936 -
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:4080 -
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=1C2A061A026E20C9C43DC0AFD0CCAC15 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4420
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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=8AE40F91AE68EE0E211CFA51AECFD63B --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=8AE40F91AE68EE0E211CFA51AECFD63B --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:13⤵PID:3680
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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" --backgroundcolor=165140432⤵PID:380
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