Analysis
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max time kernel
147s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
24-10-2023 10:27
Behavioral task
behavioral1
Sample
opzkjztnty.jar
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
opzkjztnty.jar
Resource
win10v2004-20231023-en
General
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Target
opzkjztnty.jar
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Size
164KB
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MD5
250d09e650c301b53d00a703f39354d1
-
SHA1
aeb977370e8e40c7323ecebe262d153ea59bd7c6
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SHA256
27f16f3e0ae8499d98a9b7537ff2619d54bc8a7d8350f3f547521eb5b39bdb6b
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SHA512
26130963ba22be6a76bba8d9d6345bf2cd3098f1ba77aa623deed44dd8552268e37b27c50d0fa2727a98a95c2abcdc4fab82838c4e28b9d3cf9987e0b0c5c352
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SSDEEP
3072:Yw81M/EYAmf2Es926lSu9TFrkVYOms/0dOM4rgx+Feg0xwLxY5cE:YzIfNTu9TiVYOme0PQFAxw9KP
Malware Config
Signatures
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Modifies file permissions 1 TTPs 1 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes:
java.exedescription pid process target process PID 2884 wrote to memory of 2972 2884 java.exe icacls.exe PID 2884 wrote to memory of 2972 2884 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\opzkjztnty.jar1⤵
- Suspicious use of WriteProcessMemory
PID:2884 -
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:2972
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
46B
MD56b6b508f011a34e41be55f0d464d77af
SHA1f9fde1b5203a3aeab1d1eb7300eee2c1ac049872
SHA2568ce9f3c026c8a1bdb2aba468b915848f8d47046940f78e9cb17342b89a32981e
SHA512784ca9ebcafc90eace613263fe98534df3751ae55777417bed56ae4d4f69ead73c510bfc1c7633310ac832d8ca72ea3a5089c91b5270c6b78f8449be7da3ceb7