Analysis Overview
SHA256
27f16f3e0ae8499d98a9b7537ff2619d54bc8a7d8350f3f547521eb5b39bdb6b
Threat Level: Known bad
The file opzkjztnty.zip was found to be: Known bad.
Malicious Activity Summary
Strrat family
Modifies file permissions
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-24 10:27
Signatures
Strrat family
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-24 10:27
Reported
2023-10-24 10:29
Platform
win7-20231020-en
Max time kernel
146s
Max time network
141s
Command Line
Signatures
Processes
C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\opzkjztnty.jar
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | github.com | udp |
| US | 8.8.8.8:53 | repo1.maven.org | udp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| US | 8.8.8.8:53 | github.com | udp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
| DE | 140.82.121.3:443 | github.com | tcp |
Files
memory/2872-9-0x0000000002220000-0x0000000005220000-memory.dmp
memory/2872-10-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-17-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-20-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-21-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-27-0x0000000002220000-0x0000000005220000-memory.dmp
memory/2872-30-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-32-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-34-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-35-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-36-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-44-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-47-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/2872-46-0x00000000004C0000-0x00000000004C1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-24 10:27
Reported
2023-10-24 10:29
Platform
win10v2004-20231023-en
Max time kernel
147s
Max time network
154s
Command Line
Signatures
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2884 wrote to memory of 2972 | N/A | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | C:\Windows\system32\icacls.exe |
| PID 2884 wrote to memory of 2972 | N/A | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | C:\Windows\system32\icacls.exe |
Processes
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\opzkjztnty.jar
C:\Windows\system32\icacls.exe
C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.81.57.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | repo1.maven.org | udp |
| US | 8.8.8.8:53 | github.com | udp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| DE | 140.82.121.4:443 | github.com | tcp |
| US | 8.8.8.8:53 | 209.192.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.121.82.140.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | repo1.maven.org | udp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 8.8.8.8:53 | objects.githubusercontent.com | udp |
| US | 185.199.108.133:443 | objects.githubusercontent.com | tcp |
| US | 8.8.8.8:53 | 133.108.199.185.in-addr.arpa | udp |
Files
memory/2884-4-0x000001E8F0BC0000-0x000001E8F1BC0000-memory.dmp
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
| MD5 | 6b6b508f011a34e41be55f0d464d77af |
| SHA1 | f9fde1b5203a3aeab1d1eb7300eee2c1ac049872 |
| SHA256 | 8ce9f3c026c8a1bdb2aba468b915848f8d47046940f78e9cb17342b89a32981e |
| SHA512 | 784ca9ebcafc90eace613263fe98534df3751ae55777417bed56ae4d4f69ead73c510bfc1c7633310ac832d8ca72ea3a5089c91b5270c6b78f8449be7da3ceb7 |
memory/2884-12-0x000001E8EF310000-0x000001E8EF311000-memory.dmp
memory/2884-17-0x000001E8F0BC0000-0x000001E8F1BC0000-memory.dmp
memory/2884-33-0x000001E8F0BC0000-0x000001E8F1BC0000-memory.dmp
memory/2884-40-0x000001E8EF310000-0x000001E8EF311000-memory.dmp
memory/2884-48-0x000001E8F0BC0000-0x000001E8F1BC0000-memory.dmp
memory/2884-51-0x000001E8EF310000-0x000001E8EF311000-memory.dmp
memory/2884-56-0x000001E8EF310000-0x000001E8EF311000-memory.dmp
memory/2884-58-0x000001E8F0BC0000-0x000001E8F1BC0000-memory.dmp
memory/2884-67-0x000001E8F0BC0000-0x000001E8F1BC0000-memory.dmp
memory/2884-76-0x000001E8EF310000-0x000001E8EF311000-memory.dmp
memory/2884-164-0x000001E8F0BC0000-0x000001E8F1BC0000-memory.dmp
memory/2884-171-0x000001E8F0BC0000-0x000001E8F1BC0000-memory.dmp