Analysis Overview
SHA256
d0c7d45da838c5c08119c59036ccce877fd7d2fc1c91e0d54268bedc5efc4120
Threat Level: Known bad
The file 98bd7eff931d0a20a64614e2d6091447 was found to be: Known bad.
Malicious Activity Summary
Strrat family
Modifies file permissions
Drops file in Program Files directory
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-27 00:22
Signatures
Strrat family
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-27 00:22
Reported
2023-12-28 19:13
Platform
win7-20231129-en
Max time kernel
147s
Max time network
149s
Command Line
Signatures
Processes
C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\SKM_C258201001130020005057.jar
Network
| Country | Destination | Domain | Proto |
| 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 |
| 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 | 140.82.121.4:443 | 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 |
Files
memory/2416-9-0x0000000002750000-0x0000000005750000-memory.dmp
memory/2416-10-0x0000000000150000-0x0000000000151000-memory.dmp
memory/2416-17-0x0000000000150000-0x0000000000151000-memory.dmp
memory/2416-20-0x0000000000150000-0x0000000000151000-memory.dmp
memory/2416-21-0x0000000000150000-0x0000000000151000-memory.dmp
memory/2416-24-0x0000000000150000-0x0000000000151000-memory.dmp
memory/2416-30-0x0000000000150000-0x0000000000151000-memory.dmp
memory/2416-32-0x0000000000150000-0x0000000000151000-memory.dmp
memory/2416-38-0x0000000002750000-0x0000000005750000-memory.dmp
memory/2416-39-0x0000000000150000-0x0000000000151000-memory.dmp
memory/2416-81-0x0000000000150000-0x0000000000151000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-27 00:22
Reported
2023-12-28 19:13
Platform
win10v2004-20231222-en
Max time kernel
96s
Max time network
149s
Command Line
Signatures
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\ntdll.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\jvm.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3124 wrote to memory of 4168 | N/A | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | C:\Windows\system32\icacls.exe |
| PID 3124 wrote to memory of 4168 | 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\SKM_C258201001130020005057.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 | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 21.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 62.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.233.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 52.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
Files
memory/3124-4-0x0000013E227A0000-0x0000013E237A0000-memory.dmp
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
| MD5 | 0a954757cd311ea4d371b46ddb73b25c |
| SHA1 | 9f429042fded2f4979eb44593cc9aa88717e8972 |
| SHA256 | 13f8be16b55a7ab27f911a6a85fa7f42a0bace6039a609909dbc78f7addfe58c |
| SHA512 | 44b7cbbdab36fe178c03016885befb8d904af0d9a47ef4a6d80d232cd5e734d5cddace16e5750c3de4e3068d0b55c3a3cebd8de12d0fc4fcbd4734fc64a76706 |
memory/3124-17-0x0000013E227A0000-0x0000013E237A0000-memory.dmp
memory/3124-18-0x0000013E22780000-0x0000013E22781000-memory.dmp
memory/3124-27-0x0000013E22780000-0x0000013E22781000-memory.dmp
memory/3124-32-0x0000013E227A0000-0x0000013E237A0000-memory.dmp
memory/3124-37-0x0000013E22A30000-0x0000013E22A40000-memory.dmp
memory/3124-38-0x0000013E22AA0000-0x0000013E22AB0000-memory.dmp
memory/3124-39-0x0000013E22A40000-0x0000013E22A50000-memory.dmp
memory/3124-40-0x0000013E22A50000-0x0000013E22A60000-memory.dmp
memory/3124-43-0x0000013E22A80000-0x0000013E22A90000-memory.dmp
memory/3124-44-0x0000013E22A90000-0x0000013E22AA0000-memory.dmp
memory/3124-42-0x0000013E22A70000-0x0000013E22A80000-memory.dmp
memory/3124-45-0x0000013E22AC0000-0x0000013E22AD0000-memory.dmp
memory/3124-41-0x0000013E22A60000-0x0000013E22A70000-memory.dmp
memory/3124-48-0x0000013E22AE0000-0x0000013E22AF0000-memory.dmp
memory/3124-47-0x0000013E227A0000-0x0000013E237A0000-memory.dmp
memory/3124-46-0x0000013E22AD0000-0x0000013E22AE0000-memory.dmp
memory/3124-49-0x0000013E227A0000-0x0000013E237A0000-memory.dmp