Analysis
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max time kernel
167s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
08/01/2024, 04:13
Behavioral task
behavioral1
Sample
4a68941af43148e53b40b1bdb5dc3144.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
4a68941af43148e53b40b1bdb5dc3144.pdf
Resource
win10v2004-20231215-en
General
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Target
4a68941af43148e53b40b1bdb5dc3144.pdf
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Size
35KB
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MD5
4a68941af43148e53b40b1bdb5dc3144
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SHA1
343f367c5e56ecbe94a517e02f7db17893333284
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SHA256
b87bee1fa6ad86eb85d2f40caf19cacab7ca0bff973e8cdac2c9992bce6d0975
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SHA512
6159dbf98427b4a7fee23e316a85e4f1e2b4c2fa2b70b6712b3d7c43d2a9f507a12dc583d87fd1ed6775cf084ca32f1bbb08774201a9ee8375cb3f1aaf77913d
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SSDEEP
768:bLLeXOq+j7SNyqX0oOmVfS9iNVSvsURrhfbzIbPCL:/qXOqkWyPBmAinSvsUzboPQ
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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1716 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe 1716 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1716 wrote to memory of 1636 1716 AcroRd32.exe 103 PID 1716 wrote to memory of 1636 1716 AcroRd32.exe 103 PID 1716 wrote to memory of 1636 1716 AcroRd32.exe 103 PID 1716 wrote to memory of 4640 1716 AcroRd32.exe 107 PID 1716 wrote to memory of 4640 1716 AcroRd32.exe 107 PID 1716 wrote to memory of 4640 1716 AcroRd32.exe 107 PID 1716 wrote to memory of 2284 1716 AcroRd32.exe 108 PID 1716 wrote to memory of 2284 1716 AcroRd32.exe 108 PID 1716 wrote to memory of 2284 1716 AcroRd32.exe 108 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1604 2284 RdrCEF.exe 111 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112 PID 2284 wrote to memory of 1560 2284 RdrCEF.exe 112
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\4a68941af43148e53b40b1bdb5dc3144.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:1716 -
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⤵PID:1636
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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" --backgroundcolor=165140432⤵PID:4640
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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" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
PID:2284 -
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=CCD7564B130DE15A9FB207EA95100732 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1604
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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=E4E1FFB5C0DED6CF02E0823AE74195EB --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=E4E1FFB5C0DED6CF02E0823AE74195EB --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵PID:1560
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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=4EBA7FD8E82EF01BBF41D12EA4FE4C6E --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=4EBA7FD8E82EF01BBF41D12EA4FE4C6E --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:13⤵PID:1148
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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" --backgroundcolor=165140432⤵PID:2992
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3888
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5