Analysis
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max time kernel
143s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2023 13:40
Behavioral task
behavioral1
Sample
a990e38508a8f4d4da83483242440c95.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
a990e38508a8f4d4da83483242440c95.pdf
Resource
win10v2004-20231215-en
General
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Target
a990e38508a8f4d4da83483242440c95.pdf
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Size
45KB
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MD5
a990e38508a8f4d4da83483242440c95
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SHA1
4c00a1c5c0f34471b29bf76a96bc588017816541
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SHA256
bfe6ee2d789e441125e6ab6f6f5b6d5a18ceafe4f72dac2e99f52bf5fce5d9ce
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SHA512
1d0cbfb83274074feedb4a58d5095deaaaaf946b03cf691550fcdddda675da161a82b1fd58255bebee5ec046fdef863570bc9dd348f43e5c5ab43b141819c35e
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SSDEEP
768:VNrQ9y+oTB38VQD9pvOCvaPOozNG0mpAk4iKP0CPN/xCGW42:VNUK34QRpzyxNLO74iKPbXXW42
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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1684 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe 1684 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1684 wrote to memory of 4540 1684 AcroRd32.exe 92 PID 1684 wrote to memory of 4540 1684 AcroRd32.exe 92 PID 1684 wrote to memory of 4540 1684 AcroRd32.exe 92 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 2080 4540 RdrCEF.exe 93 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 RdrCEF.exe 94 PID 4540 wrote to memory of 1744 4540 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\a990e38508a8f4d4da83483242440c95.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:1684 -
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:4540 -
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=E35DEAFDC244EB21EF6B6BAF80FB08CD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2080
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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=E54FEECDA1D85FAB3344041297A745EA --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=E54FEECDA1D85FAB3344041297A745EA --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:1744
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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=9A961617890C50811B11E7585683828A --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3984
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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=F090E97B02199E1D7C86ADA56F005FA7 --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=F090E97B02199E1D7C86ADA56F005FA7 --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:13⤵PID:2992
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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=544A4400BF451D5090C785CDA61F1749 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1240
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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=6B90E9CC83A322483AEBF44E97EB42E8 --mojo-platform-channel-handle=2788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3788
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1544
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD50107b9bc93ded397f6bc3064fb569b00
SHA12c2b3a0dd6fb37400861da552252c00e5991f900
SHA25694f49e84e5a9e9dc34094d4ab8f77a4cb7acba8213458438da319880ab640134
SHA5126fce02ddf2fc5082e611eff2e01750ce9e9a2fe786f82832a55b61802a3f2212073c86f08bff5ebc4be37b5adfcf300ea5b32736de16d70aed0a0a0ebe62524d
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5