Analysis
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max time kernel
149s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2024 02:09
Behavioral task
behavioral1
Sample
213005ac3eed9e5dfa0b00b24cf04cb9ca484b940799c47b095834681e23b807.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
213005ac3eed9e5dfa0b00b24cf04cb9ca484b940799c47b095834681e23b807.jar
Resource
win10v2004-20240226-en
General
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Target
213005ac3eed9e5dfa0b00b24cf04cb9ca484b940799c47b095834681e23b807.jar
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Size
177KB
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MD5
9c7eaf398d41438251ea4b2c695eb250
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SHA1
f7e64b03c8569ab52c2266d7843f2766563196c1
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SHA256
213005ac3eed9e5dfa0b00b24cf04cb9ca484b940799c47b095834681e23b807
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SHA512
58ee596609eed64712a87be054f7fbcd4f27ce6c81cfcb3e9792002ab40cc346646bbd8556c4d18a64efaa5e1bd8e507613a6ab78bfdd1afedccb81335957704
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SSDEEP
3072:rvQfkUNnW5ecEO2VfscDg6HHU6XOzqQBznk7VPyXVd7gVPQj1Ab9:bXUNl/ecDgmHtkzk7Vqld7eZ
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\dll\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\symbols\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\ntdll.pdb java.exe 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\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ntdll.pdb java.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
java.exedescription pid process target process PID 4508 wrote to memory of 3508 4508 java.exe icacls.exe PID 4508 wrote to memory of 3508 4508 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\213005ac3eed9e5dfa0b00b24cf04cb9ca484b940799c47b095834681e23b807.jar1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
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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 --mojo-platform-channel-handle=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/4508-2-0x000001B661CE0000-0x000001B662CE0000-memory.dmpFilesize
16.0MB
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memory/4508-11-0x000001B660300000-0x000001B660301000-memory.dmpFilesize
4KB
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memory/4508-19-0x000001B661CE0000-0x000001B662CE0000-memory.dmpFilesize
16.0MB
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memory/4508-21-0x000001B661F60000-0x000001B661F70000-memory.dmpFilesize
64KB
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memory/4508-22-0x000001B661F70000-0x000001B661F80000-memory.dmpFilesize
64KB
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memory/4508-23-0x000001B661CE0000-0x000001B662CE0000-memory.dmpFilesize
16.0MB
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memory/4508-24-0x000001B661CE0000-0x000001B662CE0000-memory.dmpFilesize
16.0MB