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Analysis
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max time kernel
5s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
26/12/2023, 10:14
Behavioral task
behavioral1
Sample
667513815256948966aff2b1e38e1ec4.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
667513815256948966aff2b1e38e1ec4.pdf
Resource
win10v2004-20231215-en
General
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Target
667513815256948966aff2b1e38e1ec4.pdf
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Size
86KB
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MD5
667513815256948966aff2b1e38e1ec4
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SHA1
d2e1e2866250d717068f17c3ec3570aad41ab4fb
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SHA256
d629eabf623a7b7f7625fb8fbc9e2a9da403b431b9397d1c87216a3bb2762397
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SHA512
7573489243422ce3794f6970650daf0d29c665091f6e3a474605bc1d6fa64ee8c4e4e112998b317addc56fdfdf5388dd06ffe7ad187924f590943e11e376d3ec
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SSDEEP
1536:5yD+HMhWq1h7vulFmAJYzklqE6AD5Kbs0SRbuqb/WGpOKCW2qf0ukYjGxtUTo:sMwWqn7GlFmAJ4O69bbSRbuqbgKsRuk9
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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4672 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4672 wrote to memory of 2032 4672 AcroRd32.exe 91 PID 4672 wrote to memory of 2032 4672 AcroRd32.exe 91 PID 4672 wrote to memory of 2032 4672 AcroRd32.exe 91 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 5084 2032 RdrCEF.exe 93 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92 PID 2032 wrote to memory of 1444 2032 RdrCEF.exe 92
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\667513815256948966aff2b1e38e1ec4.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4672 -
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:2032 -
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=B5E6E90713E34C6D9B5171A9F416D25E --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=B5E6E90713E34C6D9B5171A9F416D25E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:1444
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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=DB003414A1CDE71BC28E79163561F069 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5084
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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=96FD50F063F2347D6D9D280256777A73 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4316
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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=6BC8FF8719738A1A91EEC82C47566757 --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=6BC8FF8719738A1A91EEC82C47566757 --renderer-client-id=5 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:13⤵PID:1584
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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=5780281AB6B6594CE2465092BED26939 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:364
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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=FF6B0E4F23AB10CD89405B6090BBA8A9 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2236
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5064
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD59a2cd60ed538eb6546c8c8e4f2696ecb
SHA18a95ffff18d00bf51def03f504e83129acec8001
SHA25682c3945d0f4e996f5e5e4467be7659f3c93b9651ec8c00e7dac86ff0693da987
SHA5127cbfcfc663fe59552f4a4ce583ea0b61b1821db286232764e0ea693d1ed61c386ad02256cd4c3be3ca53c1779ba5a13a280aa300db8ad6a1405979bce7b1645c
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5