Analysis
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max time kernel
115s -
max time network
112s -
platform
windows11-21h2_x64 -
resource
win11-20231215-en -
resource tags
arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system -
submitted
05-01-2024 23:09
Static task
static1
Behavioral task
behavioral1
Sample
JavaSetup8u391.exe
Resource
win11-20231215-en
General
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Target
JavaSetup8u391.exe
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Size
2.2MB
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MD5
029ae246a9b5fd436a1b979e5f4aa54f
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SHA1
4ab915f93bc2ea46eda2fcfbf037b956099ada45
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SHA256
71d4b153af014ac81576fb91bb97ef6c4640f0486f98c2e4c9bb15b87fb9df58
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SHA512
6c3140c1d8dca2be8ad8eb6360318a8cef78e4f31fbee635f0870e0d2bb0f1679948da3b98af1282fe8d586f9f7c3d3a82016f522a1d1447b1e59158146caf31
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SSDEEP
49152:XKU/ESvdaU+c0/IVes7kJXBjYOMjUfkptVxOdxiyh:XKU/xvzg/IVeMjUu5C
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4132 JavaSetup8u391.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4132 JavaSetup8u391.exe 4132 JavaSetup8u391.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2044 wrote to memory of 4132 2044 JavaSetup8u391.exe 15 PID 2044 wrote to memory of 4132 2044 JavaSetup8u391.exe 15 PID 2044 wrote to memory of 4132 2044 JavaSetup8u391.exe 15
Processes
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C:\Users\Admin\AppData\Local\Temp\JavaSetup8u391.exe"C:\Users\Admin\AppData\Local\Temp\JavaSetup8u391.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Users\Admin\AppData\Local\Temp\jds240605140.tmp\JavaSetup8u391.exe"C:\Users\Admin\AppData\Local\Temp\jds240605140.tmp\JavaSetup8u391.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:4132
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C:\Windows\SysWOW64\werfault.exewerfault.exe /h /shared Global\ebff05108cc340678efcadb6f8e71dc0 /t 1432 /p 41321⤵PID:2204
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
92KB
MD5af4467f0c2486f9064ea945b1f2ed013
SHA1db5cc099418f66153b0e267d9e80e94b9d3e9a44
SHA256ba5cb3a0a3b92e0a25d5e407754a03d7383c7599dd5c224f27b46742a787c64e
SHA512b235491d6b47c241a5f1e213cdf8b33818d263b835c84863170f1b30a0a8a69dcd82e46d03a1d96f6f1a1a6de08ddb33033dfb6f5a1055e57bbc191a1255fa78
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Filesize
183KB
MD54d1bb79976fee276ee600948475e0830
SHA14b478fcb3509529f7db838089d894b67a5f3d0ec
SHA256902ae9b6a2aaab2bdd2b98a566b41ad52521936dc67844ec93dddad128b3d398
SHA512b9d2a4e5beb0fceb46e6941cf2adadb539c8e4268dd210b494e2f8b848ef3e582f471db181b795434a82f8a52c3222a14a9b33125da7cc0572f9d23bbf6132dc