Analysis Overview
SHA256
6624c79c2c07fbcb8d4244fadd4e16ad4c536c187c25acaf3b831fff7cbda3c9
Threat Level: Known bad
The file yjnclient-v3.exe was found to be: Known bad.
Malicious Activity Summary
Discord RAT
Discordrat family
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-06-25 00:26
Signatures
Discordrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-25 00:26
Reported
2024-06-25 00:26
Platform
win7-20240221-en
Max time kernel
0s
Max time network
1s
Command Line
Signatures
Discord RAT
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2344 wrote to memory of 2244 | N/A | C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe | C:\Windows\system32\WerFault.exe |
| PID 2344 wrote to memory of 2244 | N/A | C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe | C:\Windows\system32\WerFault.exe |
| PID 2344 wrote to memory of 2244 | N/A | C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe
"C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2344 -s 596
Network
Files
memory/2344-0-0x000007FEF5F83000-0x000007FEF5F84000-memory.dmp
memory/2344-1-0x000000013FDF0000-0x000000013FE08000-memory.dmp
memory/2344-2-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-25 00:26
Reported
2024-06-25 00:29
Platform
win10v2004-20240508-en
Max time kernel
92s
Max time network
122s
Command Line
Signatures
Discord RAT
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe
"C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gateway.discord.gg | udp |
| US | 162.159.134.234:443 | gateway.discord.gg | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 234.134.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| NL | 52.111.243.31:443 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/1900-0-0x00007FFEEE1A3000-0x00007FFEEE1A5000-memory.dmp
memory/1900-1-0x000001C586540000-0x000001C586558000-memory.dmp
memory/1900-2-0x000001C5A0BF0000-0x000001C5A0DB2000-memory.dmp
memory/1900-3-0x00007FFEEE1A0000-0x00007FFEEEC61000-memory.dmp
memory/1900-4-0x000001C5A13F0000-0x000001C5A1918000-memory.dmp
memory/1900-5-0x00007FFEEE1A3000-0x00007FFEEE1A5000-memory.dmp
memory/1900-6-0x00007FFEEE1A0000-0x00007FFEEEC61000-memory.dmp