Analysis Overview
SHA256
0329e4b80be853302b4cb08a84d70b54de5cb86247e50e5cc6d4a8f568a9aa00
Threat Level: Shows suspicious behavior
The file ls.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Modifies file permissions
Adds Run key to start application
Unsigned PE
Modifies registry key
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 10:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 10:37
Reported
2024-06-03 10:39
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\icacls.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Security = "C:\\Users\\Admin\\AppData\\Roaming\\(s)AINT\\saint.jar" | C:\Windows\SYSTEM32\REG.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\REG.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 |
| N/A | N/A | C:\Program Files\Java\jre-1.8\bin\javaw.exe | N/A |
| 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 452 wrote to memory of 2028 | N/A | C:\Users\Admin\AppData\Local\Temp\ls.exe | C:\Program Files\Java\jre-1.8\bin\javaw.exe |
| PID 452 wrote to memory of 2028 | N/A | C:\Users\Admin\AppData\Local\Temp\ls.exe | C:\Program Files\Java\jre-1.8\bin\javaw.exe |
| PID 2028 wrote to memory of 2572 | N/A | C:\Program Files\Java\jre-1.8\bin\javaw.exe | C:\Windows\system32\icacls.exe |
| PID 2028 wrote to memory of 2572 | N/A | C:\Program Files\Java\jre-1.8\bin\javaw.exe | C:\Windows\system32\icacls.exe |
| PID 2028 wrote to memory of 1896 | N/A | C:\Program Files\Java\jre-1.8\bin\javaw.exe | C:\Windows\SYSTEM32\REG.exe |
| PID 2028 wrote to memory of 1896 | N/A | C:\Program Files\Java\jre-1.8\bin\javaw.exe | C:\Windows\SYSTEM32\REG.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ls.exe
"C:\Users\Admin\AppData\Local\Temp\ls.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\ls.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\REG.exe
REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /V "Security" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\(s)AINT\saint.jar"
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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/452-0-0x0000000000400000-0x0000000000413000-memory.dmp
memory/2028-3-0x0000026F01410000-0x0000026F01680000-memory.dmp
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
| MD5 | 3d96e21c70a5a5d76fd7df327a609a01 |
| SHA1 | 7c75b30b79b8f6ebb75a877300e0924dd7f9f595 |
| SHA256 | e4430d609b0315f77bbf217e3e3d035242533727fa6fdc5e0f20fd2bebaede94 |
| SHA512 | 185fe3b49da5455733cbc0da5ea72e7b732443696749c866668d721ee867876de20e6c72fbf44aa37db416753550633a0caf8e7712360803178e3b7def7130e3 |
C:\Users\Admin\AppData\Local\Temp\JNativeHook_7236323743287549532.dll
| MD5 | d12501aaf90c14a87678c1199c332694 |
| SHA1 | 47a09b3b92928d9076ad162d2f03f3426fe38095 |
| SHA256 | fc23a64cc52f5b19e310a8d96b1fbfec981310359bda907f5931a53360485fbc |
| SHA512 | ee0cc22ba3c28fdf1cfd1721b466f8ccd0ac590ea37f7be77a8c7e8ed9aa7ee563921b2106e9ca05cd606706eaf17b4f835053104da4567b75f1f6ccb7e6ce94 |
memory/2028-23-0x0000026F7FB20000-0x0000026F7FB21000-memory.dmp
memory/2028-24-0x0000026F7FB20000-0x0000026F7FB21000-memory.dmp
memory/2028-25-0x000000006FF40000-0x000000006FF50000-memory.dmp
memory/2028-29-0x0000026F01410000-0x0000026F01680000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 10:37
Reported
2024-06-03 10:40
Platform
win7-20240221-en
Max time kernel
118s
Max time network
125s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2700 wrote to memory of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\ls.exe | C:\Program Files\Java\jre7\bin\javaw.exe |
| PID 2700 wrote to memory of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\ls.exe | C:\Program Files\Java\jre7\bin\javaw.exe |
| PID 2700 wrote to memory of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\ls.exe | C:\Program Files\Java\jre7\bin\javaw.exe |
| PID 2700 wrote to memory of 2292 | N/A | C:\Users\Admin\AppData\Local\Temp\ls.exe | C:\Program Files\Java\jre7\bin\javaw.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ls.exe
"C:\Users\Admin\AppData\Local\Temp\ls.exe"
C:\Program Files\Java\jre7\bin\javaw.exe
"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\ls.exe"
Network
Files
memory/2700-0-0x0000000000400000-0x0000000000413000-memory.dmp
memory/2292-3-0x00000000021A0000-0x0000000002410000-memory.dmp
memory/2292-12-0x00000000000A0000-0x00000000000A1000-memory.dmp
memory/2292-13-0x00000000021A0000-0x0000000002410000-memory.dmp