Analysis
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max time kernel
163s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07/01/2024, 03:17
Behavioral task
behavioral1
Sample
47e1a0c27e39701fd9b22cbec3b1ac8d.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
47e1a0c27e39701fd9b22cbec3b1ac8d.pdf
Resource
win10v2004-20231215-en
General
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Target
47e1a0c27e39701fd9b22cbec3b1ac8d.pdf
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Size
48KB
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MD5
47e1a0c27e39701fd9b22cbec3b1ac8d
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SHA1
d1766db287699d960344af636d9733bcea1d6472
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SHA256
47c0bb3bc72a6166c3534dcbba34d49744e087aab79fda17d0db72388b272d14
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SHA512
043b0bb469bfe4f8e8c3fb0d191a8f5f51c1fa9b2002de536ce85ab6d41a713cef75a212bc1ca4a796fa7588e8e9b3dc887d89c7ac25a30f80225d8192eafbfe
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SSDEEP
1536:QUc/EOlm6nU+YK3fB0ZjgwfWFe4BU5cHf:QR/Fm1+YK3fB0ZjgwfApBBHf
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 4 IoCs
pid Process 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 224 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 224 wrote to memory of 3080 224 AcroRd32.exe 104 PID 224 wrote to memory of 3080 224 AcroRd32.exe 104 PID 224 wrote to memory of 3080 224 AcroRd32.exe 104 PID 224 wrote to memory of 1124 224 AcroRd32.exe 109 PID 224 wrote to memory of 1124 224 AcroRd32.exe 109 PID 224 wrote to memory of 1124 224 AcroRd32.exe 109 PID 224 wrote to memory of 2016 224 AcroRd32.exe 111 PID 224 wrote to memory of 2016 224 AcroRd32.exe 111 PID 224 wrote to memory of 2016 224 AcroRd32.exe 111 PID 224 wrote to memory of 4360 224 AcroRd32.exe 112 PID 224 wrote to memory of 4360 224 AcroRd32.exe 112 PID 224 wrote to memory of 4360 224 AcroRd32.exe 112 PID 224 wrote to memory of 392 224 AcroRd32.exe 113 PID 224 wrote to memory of 392 224 AcroRd32.exe 113 PID 224 wrote to memory of 392 224 AcroRd32.exe 113
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\47e1a0c27e39701fd9b22cbec3b1ac8d.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:224 -
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:3080
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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:1124
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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:2016
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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:4360
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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:392
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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