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Analysis
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max time kernel
5s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2023, 22:48
Behavioral task
behavioral1
Sample
1ef208939e6506a7fd69919377915aa3.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
1ef208939e6506a7fd69919377915aa3.pdf
Resource
win10v2004-20231222-en
General
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Target
1ef208939e6506a7fd69919377915aa3.pdf
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Size
36KB
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MD5
1ef208939e6506a7fd69919377915aa3
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SHA1
5142b548dbdc927734298f7dca579554665ab383
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SHA256
ffcd25c5d6279d0c3de8c91d55ac49a83d7ccd2bab6c81d976be261a5422d006
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SHA512
7bb11ef82f1c6cce7f34876917dd876980dbf11610c37ab277fd8672a25f576e843127d517f1b2734473cd52a296afeb868a734d5161669dbd06e4e7550493d3
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SSDEEP
768:4s8NatKWSQXfXkR2qBYpiBrU3ms7NOg6T/ivSPC+BZgI/iaT:JyqKWBXkkr4r1s0vuICNsDT
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4468 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4468 AcroRd32.exe 4468 AcroRd32.exe 4468 AcroRd32.exe 4468 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4468 wrote to memory of 5152 4468 AcroRd32.exe 90 PID 4468 wrote to memory of 5152 4468 AcroRd32.exe 90 PID 4468 wrote to memory of 5152 4468 AcroRd32.exe 90 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 4768 5152 RdrCEF.exe 94 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93 PID 5152 wrote to memory of 1204 5152 RdrCEF.exe 93
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\1ef208939e6506a7fd69919377915aa3.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4468 -
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:5152 -
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=25D7D45FA4BCAFA8118823582F2F7BE4 --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=25D7D45FA4BCAFA8118823582F2F7BE4 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:1204
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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=73124D6A7F6A0AF90BA09ECE5BD517F4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4768
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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=57A2DC4A612C1F2C3BE2D6554989F73B --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4260
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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=FD39CA786A01319755A60C6495196B39 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2040
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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=60A758C18E9007129236AD0343836D2D --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2412
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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=88CBE99833D25A76A9458F15AE4B3E08 --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=88CBE99833D25A76A9458F15AE4B3E08 --renderer-client-id=8 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:13⤵PID:5116
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5212
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5767e90e2bf380060d948493b8e3e709f
SHA18a17939b59b8ba81966e6b07ca0162cf87bcbab1
SHA2562204bd5e8262f75fc4329a37ee176df14720d29f87277e6990674112a34e5935
SHA512b430d5383f2507a935c9b5b8c2dfafe3ce4607fdde127ec8c49c6414c045bfee03c4879da8b3bc6613af75eac183e6688107f9f0b053bb7e0bd96762aabe9a4d
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5