Analysis
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max time kernel
160s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
09-01-2024 13:34
Behavioral task
behavioral1
Sample
4e700fda7a3ca093cbddc14db6ca9d07.pdf
Resource
win7-20231215-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
4e700fda7a3ca093cbddc14db6ca9d07.pdf
Resource
win10v2004-20231215-en
windows10-2004-x64
5 signatures
150 seconds
General
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Target
4e700fda7a3ca093cbddc14db6ca9d07.pdf
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Size
94KB
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MD5
4e700fda7a3ca093cbddc14db6ca9d07
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SHA1
ddba78b2ff69097a8176e888745476cf85260a5b
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SHA256
e7b0383f134f9067632adc75e8e1a83f70b8e87cc3dc42d1e1fe6f652c00413c
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SHA512
89ea307515e96cb3122c09e01f9931838e11463c3eec98df484fdd7e2c8d5a53a5d33e77d4b482c8a9eef11c1b07a2d01ffb4cb87fcf44d1015e30b8a5b3014a
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SSDEEP
1536:u0MurdGmCRJaQbgYdyIPaM1kBizfsf5QKOiq9QbHu333XWkNpOPZI8OOGWLL7Yjj:1xr0fvzAsfsf5Q5iSQC34PUOR7YqC
Score
1/10
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 use of FindShellTrayWindow 1 IoCs
pid Process 1964 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1964 AcroRd32.exe 1964 AcroRd32.exe 1964 AcroRd32.exe 1964 AcroRd32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1964 wrote to memory of 2328 1964 AcroRd32.exe 108 PID 1964 wrote to memory of 2328 1964 AcroRd32.exe 108 PID 1964 wrote to memory of 2328 1964 AcroRd32.exe 108 PID 1964 wrote to memory of 4680 1964 AcroRd32.exe 109 PID 1964 wrote to memory of 4680 1964 AcroRd32.exe 109 PID 1964 wrote to memory of 4680 1964 AcroRd32.exe 109
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\4e700fda7a3ca093cbddc14db6ca9d07.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964 -
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:2328
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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:4680
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