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Analysis
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max time kernel
141s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
04/01/2024, 16:11
Behavioral task
behavioral1
Sample
4151818498393088c68b759bcf6b3eef.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4151818498393088c68b759bcf6b3eef.pdf
Resource
win10v2004-20231215-en
General
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Target
4151818498393088c68b759bcf6b3eef.pdf
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Size
33KB
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MD5
4151818498393088c68b759bcf6b3eef
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SHA1
aee24766e99af348dcf477d4e51a32102d4e04b8
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SHA256
1896af277ce8a0d8881f6aa2e57b5ac8daca8a14f32bfe0a5691148917e90dfb
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SHA512
931d72a49d0385bfec70e49ad5837c1398c7ea47b0369f88e2364f9be42d1176846300e951a1b64b9f343b6e3fda174737764d84c5f968a50a4bc698425992d1
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SSDEEP
768:avpxfPdLvfL2pl/xfadqy/EyjF8Y6dHNJiKOTQ7c6:eJdX2f6cyj2Y69NqTQ7c6
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4316 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4316 wrote to memory of 3552 4316 AcroRd32.exe 92 PID 4316 wrote to memory of 3552 4316 AcroRd32.exe 92 PID 4316 wrote to memory of 3552 4316 AcroRd32.exe 92 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 3252 3552 RdrCEF.exe 93 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94 PID 3552 wrote to memory of 4900 3552 RdrCEF.exe 94
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\4151818498393088c68b759bcf6b3eef.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:4316 -
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:3552 -
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=16F706EE0DA39D61E8A619E248729BF4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3252
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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=BBEFC0412C5A4F63B3D760E4714CA7DF --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=BBEFC0412C5A4F63B3D760E4714CA7DF --renderer-client-id=2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:13⤵PID:4900
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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=521C99DC280E46551DDC9255EC535878 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2820
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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=56776D6DC270029063D1E604B6D64774 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1324
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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=322611B4865D7F3AFD1D97D002B81207 --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=322611B4865D7F3AFD1D97D002B81207 --renderer-client-id=6 --mojo-platform-channel-handle=1988 --allow-no-sandbox-job /prefetch:13⤵PID:3716
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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=7A8254613FC532F97EBEE798A8EE3297 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1012
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD57181e2224f4bca07fdbef84afcd1cdeb
SHA115d0037e2af9c2951daf9f65a7561c1303fa42df
SHA25696527c2779361d4c61d6e99877bfbcec069249a9883fd29e19762000a2ec77b7
SHA512fc5cb05b29f6b71660d6c40670edc9bce11099e19c666f38773647f2fc0c21545cbfa247d14120b69fe98ae3cfae1696033cd578b8fd462fe9b7aec5e0aad2f4
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5