Analysis Overview
SHA256
b8854611b04b7ff0269ba30bc535bc4ec583e639a4385818d80ef6ae9c16fb9d
Threat Level: Known bad
The file 41c176289fce610d62f725d77e3a7d01.zip 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
2024-01-04 20:16
Signatures
Strrat family
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-04 20:16
Reported
2024-01-04 20:21
Platform
win7-20231215-en
Max time kernel
122s
Max time network
128s
Command Line
Signatures
Processes
C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\41c176289fce610d62f725d77e3a7d01.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 |
Files
memory/2884-4-0x00000000021C0000-0x00000000051C0000-memory.dmp
memory/2884-10-0x0000000000120000-0x0000000000121000-memory.dmp
memory/2884-16-0x0000000000120000-0x0000000000121000-memory.dmp
memory/2884-21-0x0000000000120000-0x0000000000121000-memory.dmp
memory/2884-26-0x0000000000120000-0x0000000000121000-memory.dmp
memory/2884-36-0x0000000000120000-0x0000000000121000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-04 20:16
Reported
2024-01-04 20:20
Platform
win10v2004-20231215-en
Max time kernel
144s
Max time network
150s
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\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\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\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\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\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\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\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\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\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 3404 wrote to memory of 2144 | N/A | C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe | C:\Windows\system32\icacls.exe |
| PID 3404 wrote to memory of 2144 | 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\41c176289fce610d62f725d77e3a7d01.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 |
| GB | 96.16.110.114:80 | tcp | |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 146.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 211.143.182.52.in-addr.arpa | udp |
Files
memory/3404-4-0x0000013FD2A60000-0x0000013FD3A60000-memory.dmp
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
| MD5 | f563247403a4b33b1707281823235765 |
| SHA1 | b6b3b63fde9ad090fecffd5076c00d992e02468d |
| SHA256 | 1950f5d57c0b8f390174a9b0dc79aacfdaf0f1487289b787f2c7eef42558f9aa |
| SHA512 | 6624239f7910eb931cbc9baac9d33c8a4d96ea96c55d1ee111e1e49d3d4d662b1e15f008180c65378a9b789c56a839ffbeb6f82aa49c62d0ccee6bbaf51fbb45 |
memory/3404-16-0x0000013FD1170000-0x0000013FD1171000-memory.dmp
memory/3404-18-0x0000013FD2A60000-0x0000013FD3A60000-memory.dmp
memory/3404-28-0x0000013FD1170000-0x0000013FD1171000-memory.dmp
memory/3404-29-0x0000013FD2A60000-0x0000013FD3A60000-memory.dmp
memory/3404-35-0x0000013FD1170000-0x0000013FD1171000-memory.dmp
memory/3404-42-0x0000013FD2A60000-0x0000013FD3A60000-memory.dmp
memory/3404-41-0x0000013FD2D50000-0x0000013FD2D60000-memory.dmp
memory/3404-40-0x0000013FD2CE0000-0x0000013FD2CF0000-memory.dmp
memory/3404-46-0x0000013FD2D40000-0x0000013FD2D50000-memory.dmp
memory/3404-47-0x0000013FD2D70000-0x0000013FD2D80000-memory.dmp
memory/3404-48-0x0000013FD2D80000-0x0000013FD2D90000-memory.dmp
memory/3404-45-0x0000013FD2D30000-0x0000013FD2D40000-memory.dmp
memory/3404-50-0x0000013FD2A60000-0x0000013FD3A60000-memory.dmp
memory/3404-51-0x0000013FD2DA0000-0x0000013FD2DB0000-memory.dmp
memory/3404-53-0x0000013FD2A60000-0x0000013FD3A60000-memory.dmp
memory/3404-52-0x0000013FD2DC0000-0x0000013FD2DD0000-memory.dmp
memory/3404-49-0x0000013FD2D90000-0x0000013FD2DA0000-memory.dmp
memory/3404-44-0x0000013FD2D20000-0x0000013FD2D30000-memory.dmp
memory/3404-43-0x0000013FD2D10000-0x0000013FD2D20000-memory.dmp
memory/3404-54-0x0000013FD2A60000-0x0000013FD3A60000-memory.dmp