Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250113-en -
resource tags
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submitted
19/01/2025, 17:55
General
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Target
ezz.jar
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Size
639KB
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MD5
ba91eedd55543ec8b18ba8c9dd27886c
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SHA1
4d3c0e05342791d000cd689fdc84650ba324ce85
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SHA256
4a93b3a41c77cb9cbaf1500097e33c1456ff5fa52c4a507624f163a35afa4941
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SHA512
204ada7e600fc7893bfd25be9c08bfa97c6ab5284c2c40e7af1f23a5963c48665bde9f24528bc0952ec6997396fc65fb955efc989a20388c3bfa29e5b9d43e38
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SSDEEP
12288:w/3bQ3/J9zed94V74X+fg+/rRr+VZMNmfogeVuRrC3Au0290SMhDMJ:w/rQPjeT4VPfg+FaImfVwlAup9HMhDMJ
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
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Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\ezz.jar1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\attrib.exeattrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1737309324268.tmp2⤵
- Views/modifies file attributes
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1737309324268.tmp" /f"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1737309324268.tmp" /f3⤵
- Adds Run key to start application
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.4MB
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Filesize
64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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Filesize
4KB
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Filesize
2.4MB
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Filesize
4KB
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64KB
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4KB
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4KB
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64KB
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64KB
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Filesize
4KB
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4KB
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64KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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Filesize
64KB
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Filesize
4KB
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4KB
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64KB
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4KB
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4KB
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4KB
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Filesize
64KB
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64KB
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64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
4KB
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Filesize
64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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Filesize
64KB
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Filesize
64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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Filesize
64KB
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Filesize
64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB