Analysis Overview
SHA256
14bd51be45a8ff796ee65e4392fd83b620db7eb22c1795c8a3cc2d6f78d7a5a8
Threat Level: Known bad
The file Coreblocks_installer.exe was found to be: Known bad.
Malicious Activity Summary
Discordrat family
Discord RAT
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-16 18:32
Signatures
Discordrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-16 18:32
Reported
2024-06-16 19:31
Platform
win7-20240611-en
Max time kernel
362s
Max time network
363s
Command Line
Signatures
Discord RAT
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2056 wrote to memory of 2040 | N/A | C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe | C:\Windows\system32\WerFault.exe |
| PID 2056 wrote to memory of 2040 | N/A | C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe | C:\Windows\system32\WerFault.exe |
| PID 2056 wrote to memory of 2040 | N/A | C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe
"C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2056 -s 596
Network
Files
memory/2056-0-0x000007FEF5233000-0x000007FEF5234000-memory.dmp
memory/2056-1-0x000000013F440000-0x000000013F458000-memory.dmp
memory/2056-2-0x000007FEF5230000-0x000007FEF5C1C000-memory.dmp
memory/2056-3-0x000007FEF5233000-0x000007FEF5234000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-16 18:32
Reported
2024-06-16 19:24
Platform
win10v2004-20240611-en
Max time kernel
188s
Max time network
201s
Command Line
Signatures
Discord RAT
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe
"C:\Users\Admin\AppData\Local\Temp\Coreblocks_installer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gateway.discord.gg | udp |
| US | 162.159.136.234:443 | gateway.discord.gg | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 234.136.159.162.in-addr.arpa | udp |
| NL | 23.62.61.155:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | geolocation-db.com | udp |
| DE | 159.89.102.253:443 | geolocation-db.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 83.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.137.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 155.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 253.102.89.159.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 87.121.18.2.in-addr.arpa | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
Files
memory/4740-0-0x00007FF942E73000-0x00007FF942E75000-memory.dmp
memory/4740-1-0x000001D6FC390000-0x000001D6FC3A8000-memory.dmp
memory/4740-2-0x000001D6FEA30000-0x000001D6FEBF2000-memory.dmp
memory/4740-3-0x00007FF942E70000-0x00007FF943931000-memory.dmp
memory/4740-4-0x000001D6FF230000-0x000001D6FF758000-memory.dmp
memory/4740-5-0x00007FF942E73000-0x00007FF942E75000-memory.dmp
memory/4740-6-0x00007FF942E70000-0x00007FF943931000-memory.dmp