Analysis
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max time kernel
149s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29-12-2023 23:43
Behavioral task
behavioral1
Sample
075383dec7f7f734703c07ad452ec516.jar
Resource
win7-20231215-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
075383dec7f7f734703c07ad452ec516.jar
Resource
win10v2004-20231215-en
3 signatures
150 seconds
General
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Target
075383dec7f7f734703c07ad452ec516.jar
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Size
107KB
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MD5
075383dec7f7f734703c07ad452ec516
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SHA1
baacfa9cfc1aabe3e9b17f26011d6f516aa50088
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SHA256
1aa7af496d4c49c35a9bd663783a6ecf3d076d774ac7a53ecfe93b1837d05710
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SHA512
b1b7220e5b904bbd9b83d9582bca295580c7869a0cd6793f7c09bc6022901f25cab2576a983ef88502b9f46355b98b49f96e288a0e35b8ccf76dc16130ade9e3
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SSDEEP
3072:9mLkb6oj/F/r+kV5nvDA65eshM1zmZpYESmjOYxthST:oLkb6obVVvDVprYESmj7xto
Score
7/10
Malware Config
Signatures
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Modifies file permissions 1 TTPs 1 IoCs
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Drops file in Program Files directory 12 IoCs
Processes:
java.exedescription ioc process File opened for modification C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb java.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
java.exedescription pid process target process PID 3176 wrote to memory of 3448 3176 java.exe icacls.exe PID 3176 wrote to memory of 3448 3176 java.exe icacls.exe
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\075383dec7f7f734703c07ad452ec516.jar1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3176 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:3448