Analysis
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max time kernel
1s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-06-2024 22:09
Behavioral task
behavioral1
Sample
Rechnung.pdf
Resource
win7-20240611-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
Rechnung.pdf
Resource
win10v2004-20240508-en
3 signatures
150 seconds
General
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Target
Rechnung.pdf
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Size
87KB
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MD5
f07abf7ecdd49d5dc741c98b4c0dd6d2
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SHA1
779ca1fa1893e71d201e119d547b52620687384a
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SHA256
44f41c5b07b60932d37e858316955d482c86162f9c8c249ff71233791da7f2c8
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SHA512
b79485304e873b4a6dee21d01eb33aae040342a7197aadf050eeedd8aaddd0af345c442df3cda6561114fb61a53f185e1f319a3557675c7ca5c310e6d6ebab89
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SSDEEP
1536:02pEkwQRDE65jOwgdV2Ksp4jcmD3vBB2kjl0yGY9UDQHT8:0wf+aOwgdzrDH0yldHT8
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.
Processes:
AcroRd32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 3344 AcroRd32.exe 3344 AcroRd32.exe 3344 AcroRd32.exe 3344 AcroRd32.exe 3344 AcroRd32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
AcroRd32.exedescription pid process target process PID 3344 wrote to memory of 3816 3344 AcroRd32.exe splwow64.exe PID 3344 wrote to memory of 3816 3344 AcroRd32.exe splwow64.exe
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\Rechnung.pdf"1⤵
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4172,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=4152 /prefetch:81⤵