Analysis
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max time kernel
145s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
20-02-2024 05:50
Static task
static1
Behavioral task
behavioral1
Sample
8d72ca85103f44742d04ebca02bff65788fe6b9fc6f5a411c707580d42bbd249.jar
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8d72ca85103f44742d04ebca02bff65788fe6b9fc6f5a411c707580d42bbd249.jar
Resource
win10v2004-20231215-en
General
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Target
8d72ca85103f44742d04ebca02bff65788fe6b9fc6f5a411c707580d42bbd249.jar
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Size
1.8MB
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MD5
bcd94e0661cd673bfcb79c368584a881
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SHA1
0707033eecaa1c1b6add2c1e18731b92165954f1
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SHA256
8d72ca85103f44742d04ebca02bff65788fe6b9fc6f5a411c707580d42bbd249
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SHA512
acf7ec9ee4096f92e6fbd20fea09d077a364b6b16bf16bd1034885e6e25a9af39ce6b03a0b6e822cb11e29a02f48d83416ae7d1bd30188ebad5ab1f5a7c13c89
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SSDEEP
49152:nw0Cbptl3ED+0iEeqRXbOog7tcnEivsBl5pvthNOZ8jipd9:n9at8+9XqRXbOenEivIlvtuZ8OpP
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
Processes:
java.exepid process 4600 java.exe -
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\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\symbols\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\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\jvm.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\server\symbols\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\symbols\dll\jvm.pdb java.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
java.exedescription pid process target process PID 4600 wrote to memory of 4996 4600 java.exe icacls.exe PID 4600 wrote to memory of 4996 4600 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\8d72ca85103f44742d04ebca02bff65788fe6b9fc6f5a411c707580d42bbd249.jar1⤵
- Loads dropped DLL
- 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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestampFilesize
46B
MD5cca6763af8ba749e44b354a0c3a80b7e
SHA12cd6c57d069ae1b1c9c5e0dd2a5112f7c71533a9
SHA2568e28fb71cdd7dc0d3e3c77f282dbe1ff57ab34f2fd70b20508df5651bb05495c
SHA5126ccae584cfaf348ad1c277d3b908844730d0d4524e493bb839aa5ea1da3a3120947c1adf2c3e9c244dc875ce4b638f8757c60fbc858542f284236b421e698ca1
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C:\Users\Admin\AppData\Local\Temp\sense_loader\CC00000065D107DB0001852344843412-1828159100_loader_windows_x64.dllFilesize
1.1MB
MD54f0b3278efcdc43470f75edb7fdb84cb
SHA18096149292d77825225bae4368bcc219df9bf98a
SHA256b4183370b1e9c092f4ba706b10109e2e8514969b92fc76875780a2442fd348aa
SHA512c007b4e65afd821a15ebdef95a1bf41ca02023bda1227a4a6373dd58d5b665dc783d1bbe312e95be1824b1817465ee7f0b58c820e64a7da009cf6118a81a48f6
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memory/4600-54-0x0000027DD84F0000-0x0000027DD8500000-memory.dmpFilesize
64KB
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memory/4600-55-0x0000027DD8570000-0x0000027DD8580000-memory.dmpFilesize
64KB
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memory/4600-26-0x0000027DED740000-0x0000027DED762000-memory.dmpFilesize
136KB
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memory/4600-27-0x0000027DD6A90000-0x0000027DD6A91000-memory.dmpFilesize
4KB
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memory/4600-33-0x0000027DD8270000-0x0000027DD9270000-memory.dmpFilesize
16.0MB
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memory/4600-43-0x0000027DD8270000-0x0000027DD9270000-memory.dmpFilesize
16.0MB
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memory/4600-49-0x0000027DD8270000-0x0000027DD9270000-memory.dmpFilesize
16.0MB
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memory/4600-51-0x0000027DD8270000-0x0000027DD9270000-memory.dmpFilesize
16.0MB
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memory/4600-4-0x0000027DD8270000-0x0000027DD9270000-memory.dmpFilesize
16.0MB
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memory/4600-16-0x0000027DED740000-0x0000027DED762000-memory.dmpFilesize
136KB
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memory/4600-56-0x0000027DD8270000-0x0000027DD9270000-memory.dmpFilesize
16.0MB
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memory/4600-57-0x0000027DD8540000-0x0000027DD8550000-memory.dmpFilesize
64KB
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memory/4600-58-0x0000027DD8560000-0x0000027DD8570000-memory.dmpFilesize
64KB
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memory/4600-60-0x0000027DD8270000-0x0000027DD9270000-memory.dmpFilesize
16.0MB
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memory/4600-59-0x0000027DD8580000-0x0000027DD8590000-memory.dmpFilesize
64KB
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memory/4600-62-0x0000027DD85B0000-0x0000027DD85C0000-memory.dmpFilesize
64KB
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memory/4600-61-0x0000027DD8590000-0x0000027DD85A0000-memory.dmpFilesize
64KB
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memory/4600-63-0x0000027DD8270000-0x0000027DD9270000-memory.dmpFilesize
16.0MB
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memory/4600-64-0x0000027DD8270000-0x0000027DD9270000-memory.dmpFilesize
16.0MB