Analysis Overview
SHA256
978dfe8f0fbb57398366e2302055b58fa641258f53db6909fca2b5a1e87ff3c5
Threat Level: Shows suspicious behavior
The file Old-TLauncher.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Modifies file permissions
Drops file in Program Files directory
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-04 21:17
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-04 21:17
Reported
2024-02-04 21:21
Platform
win10-20231215-en
Max time kernel
128s
Max time network
130s
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\jvm.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\ntdll.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 192 wrote to memory of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\Old-TLauncher.exe | C:\Program Files\Java\jre-1.8\bin\javaw.exe |
| PID 192 wrote to memory of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\Old-TLauncher.exe | C:\Program Files\Java\jre-1.8\bin\javaw.exe |
| PID 2644 wrote to memory of 932 | N/A | C:\Program Files\Java\jre-1.8\bin\javaw.exe | C:\Windows\system32\icacls.exe |
| PID 2644 wrote to memory of 932 | N/A | C:\Program Files\Java\jre-1.8\bin\javaw.exe | C:\Windows\system32\icacls.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Old-TLauncher.exe
"C:\Users\Admin\AppData\Local\Temp\Old-TLauncher.exe"
C:\Program Files\Java\jre-1.8\bin\javaw.exe
"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Old-TLauncher.exe"
C:\Windows\system32\icacls.exe
C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 129.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.173.189.20.in-addr.arpa | udp |
Files
memory/192-0-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2644-5-0x0000023080000000-0x0000023081000000-memory.dmp
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
| MD5 | 2d8f85362f078773542cd404f26022ba |
| SHA1 | b90f6a11022d5b29488ee74260bfa4fcbf66501b |
| SHA256 | 6c51c8e0efef08fa7691fc095a5132987710ca8ce96936e2f7f3dd56109a4855 |
| SHA512 | 95667871c544e29247fae6bd9012c1f0693e52707155e4bdeb0c6b655297418fd41189c0ac189382a27e4147c6ff94158bf3c579523c3ac1de82daaa7a9b2ddb |
memory/2644-13-0x00000230F0C70000-0x00000230F0C71000-memory.dmp
memory/2644-21-0x00000230F0C70000-0x00000230F0C71000-memory.dmp
memory/2644-24-0x0000023080000000-0x0000023081000000-memory.dmp
memory/2644-35-0x0000023080000000-0x0000023081000000-memory.dmp
memory/2644-47-0x0000023080000000-0x0000023081000000-memory.dmp
memory/2644-55-0x0000023080000000-0x0000023081000000-memory.dmp
memory/2644-56-0x0000023080000000-0x0000023081000000-memory.dmp
memory/2644-57-0x0000023080000000-0x0000023081000000-memory.dmp
memory/2644-58-0x0000023080000000-0x0000023081000000-memory.dmp
memory/2644-59-0x0000023080000000-0x0000023081000000-memory.dmp
memory/2644-60-0x0000023080000000-0x0000023081000000-memory.dmp
memory/2644-61-0x0000023080000000-0x0000023081000000-memory.dmp
memory/2644-62-0x0000023080000000-0x0000023081000000-memory.dmp