Analysis
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max time kernel
244s -
max time network
257s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
01-01-2024 05:43
Behavioral task
behavioral1
Sample
3c0a373aac916235096ae5a3a43531ee.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
3c0a373aac916235096ae5a3a43531ee.pdf
Resource
win10v2004-20231215-en
General
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Target
3c0a373aac916235096ae5a3a43531ee.pdf
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Size
80KB
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MD5
3c0a373aac916235096ae5a3a43531ee
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SHA1
020c7df1ded4bee357260ea5adfb6eee388fd25e
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SHA256
86162f3f8f27a5a375c32ae489cc9f9cb09a9d1c879e04b5b2a4baef46af1a1d
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SHA512
28213baeb976e7e917fddb3e8753e398d5e78875459296b8410fcbf6bd6f56e6c6a30d1f98dacb6edcfa4187c1d6d6ce49bc261ab253d2e6b764a557fe9e9f8f
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SSDEEP
1536:19E99UC5aAVvAsMuzvv2UX3pPmTWGkKNX7+nhjxHLCMW8pO7i8S:E99D5tyxOvv2UH5mvkKx+FxHLCf7q
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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3304 AcroRd32.exe 3304 AcroRd32.exe 3304 AcroRd32.exe 3304 AcroRd32.exe 3304 AcroRd32.exe 3304 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3304 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3304 AcroRd32.exe 3304 AcroRd32.exe 3304 AcroRd32.exe 3304 AcroRd32.exe 3304 AcroRd32.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3304 wrote to memory of 1140 3304 AcroRd32.exe 95 PID 3304 wrote to memory of 1140 3304 AcroRd32.exe 95 PID 3304 wrote to memory of 1140 3304 AcroRd32.exe 95 PID 3304 wrote to memory of 3948 3304 AcroRd32.exe 98 PID 3304 wrote to memory of 3948 3304 AcroRd32.exe 98 PID 3304 wrote to memory of 3948 3304 AcroRd32.exe 98 PID 3304 wrote to memory of 2572 3304 AcroRd32.exe 100 PID 3304 wrote to memory of 2572 3304 AcroRd32.exe 100 PID 3304 wrote to memory of 2572 3304 AcroRd32.exe 100 PID 3304 wrote to memory of 2420 3304 AcroRd32.exe 105 PID 3304 wrote to memory of 2420 3304 AcroRd32.exe 105 PID 3304 wrote to memory of 2420 3304 AcroRd32.exe 105 PID 3304 wrote to memory of 1716 3304 AcroRd32.exe 111 PID 3304 wrote to memory of 1716 3304 AcroRd32.exe 111 PID 3304 wrote to memory of 1716 3304 AcroRd32.exe 111 PID 3304 wrote to memory of 4180 3304 AcroRd32.exe 112 PID 3304 wrote to memory of 4180 3304 AcroRd32.exe 112 PID 3304 wrote to memory of 4180 3304 AcroRd32.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\3c0a373aac916235096ae5a3a43531ee.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:3304 -
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:1140
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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:3948
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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:2572
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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:2420
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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:1716
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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:4180
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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