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
25-12-2023 18:29
Behavioral task
behavioral1
Sample
349126b5803e67a565db87779cf80a17.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
349126b5803e67a565db87779cf80a17.pdf
Resource
win10v2004-20231215-en
General
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Target
349126b5803e67a565db87779cf80a17.pdf
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Size
64KB
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MD5
349126b5803e67a565db87779cf80a17
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SHA1
f8286870923c649b07d1e83b697ac5719c53d888
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SHA256
48c59bf45a36c6f19c3469b434b6f561199bb5e1abc427bbb8b373b0fe6ad1a2
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SHA512
faf28e4cb758e5a422a8b6d8a473482c2e4477148a5038d975c09998bf3eda2c6fa22987a03ce706015169a2235683a19eda1f71abae204ea62adb1ef998e314
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SSDEEP
1536:HShrgvX6JkNjzHWml2aYv/bG6oQXhSWvTn2OCxHtFdJG:yhcvX6JSjzHcaaK6JSOn2ZxHtFdJG
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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe 3916 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3916 wrote to memory of 1684 3916 AcroRd32.exe 93 PID 3916 wrote to memory of 1684 3916 AcroRd32.exe 93 PID 3916 wrote to memory of 1684 3916 AcroRd32.exe 93 PID 3916 wrote to memory of 4472 3916 AcroRd32.exe 96 PID 3916 wrote to memory of 4472 3916 AcroRd32.exe 96 PID 3916 wrote to memory of 4472 3916 AcroRd32.exe 96 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 1168 1684 RdrCEF.exe 97 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98 PID 1684 wrote to memory of 5044 1684 RdrCEF.exe 98
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\349126b5803e67a565db87779cf80a17.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916 -
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: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" --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=908557D67A62B989C9B8B69C3A8A5D8E --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1168
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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=3C440E220D92479C04231B9D849E8FF2 --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=3C440E220D92479C04231B9D849E8FF2 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:13⤵PID:5044
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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=56E666559F139937E671358881F32507 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3164
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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=C0B8375FC9B884534D88F070C93E521E --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3316
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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=DD669C2F6216DE5EFAFA7C551B817143 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2124
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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:4472
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD56c50b44f109f2914629ee51976cd5b25
SHA1fc7935a5885956ffb7a8f14cf07fa7903d35844c
SHA256b1e2fe81762562e9b5964a7a23a39a0347fe74bd4fc7adee04669495052bf6a4
SHA51255d1f052d042cfce50cbc9fe658d81699934819c3c2e783f0a8b9c1de6f2c5d5a93ceedc852b2ac9c78d265e0baa153a90a5ba3a38d80c0732f3105974ea6bcc
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5