Analysis
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max time kernel
141s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:48
Behavioral task
behavioral1
Sample
75218114319164855ce13950e187236e.pdf
Resource
win7-20231215-en
General
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Target
75218114319164855ce13950e187236e.pdf
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Size
36KB
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MD5
75218114319164855ce13950e187236e
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SHA1
535aa8caac1c4f867fd8e9fba9ff7b7a2b608c9f
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SHA256
359c05150ea35f2000291042868c2d87d3a3736916414c09a4350bb9c76af00b
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SHA512
37accf45276fff9fa2fde3352079b608240274c0abb3d25ab2a94f56406e174b3696b9150ee057a6ea65a7a68774ad61a3e66b25ffa2e23de5b4db19b54c9d3c
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SSDEEP
768:0gGzpDaXIArBc1/hUiC+o/WEea5LER5zJzIFlBk0eO4Ims0:BGF2XcJU+p1a5LER5zOk0e+ms0
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.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription 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
Processes:
AcroRd32.exepid process 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 392 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe 392 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 392 wrote to memory of 4476 392 AcroRd32.exe RdrCEF.exe PID 392 wrote to memory of 4476 392 AcroRd32.exe RdrCEF.exe PID 392 wrote to memory of 4476 392 AcroRd32.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 1512 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe PID 4476 wrote to memory of 4592 4476 RdrCEF.exe RdrCEF.exe
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\75218114319164855ce13950e187236e.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:392 -
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:4476 -
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=0108123FF989EC0CEAFCB6845A726B52 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1512
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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=734C3D873FC02EFDA3DE3B777A743242 --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=734C3D873FC02EFDA3DE3B777A743242 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:4592
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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=4C8612A5786B549F6736F5AE5811D03B --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2340
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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=F9A8264DEBD984192470BD860647A417 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3612
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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=90C2AB7285F4A325C15629E067BBADD2 --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=90C2AB7285F4A325C15629E067BBADD2 --renderer-client-id=6 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job /prefetch:13⤵PID:4928
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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=D3C711D03DC7A88A194A658ADA555D36 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4032
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2420
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD58e8bd8ab5fb39dde91051e3b98296cd2
SHA1e4ee6b7cd5289bf36ccf97082a375c6613b8cc6f
SHA2568f7f3234f35bed53007f3294620cfcf6bd507cdfc8c374ee383ab3d31c9611ac
SHA51276ac6ed7e92854544e3099fcfde8541c049003a669eeb9ce254d06888b94808d9a4441a20503e12ac8b35f1c2af55afc39097bf99a4c102e307b250b082086ac
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5