Analysis Overview
SHA256
b443a47b136605e52aac37efa2c044a2d36e6a170b9e23d45e9abcaf0d6981a4
Threat Level: Known bad
The file Client-built.exe was found to be: Known bad.
Malicious Activity Summary
Discordrat family
Discord RAT
Downloads MZ/PE file
Reads user/profile data of web browsers
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Uses Task Scheduler COM API
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-15 17:35
Signatures
Discordrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-15 17:35
Reported
2024-03-15 17:38
Platform
win7-20240220-en
Max time kernel
120s
Max time network
120s
Command Line
Signatures
Discord RAT
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1792 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | C:\Windows\system32\WerFault.exe |
| PID 1792 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | C:\Windows\system32\WerFault.exe |
| PID 1792 wrote to memory of 2836 | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1792 -s 596
Network
Files
memory/1792-0-0x000000013FCA0000-0x000000013FCB8000-memory.dmp
memory/1792-1-0x000007FEF5760000-0x000007FEF614C000-memory.dmp
memory/1792-2-0x000000001B900000-0x000000001B980000-memory.dmp
memory/1792-3-0x000007FEF5760000-0x000007FEF614C000-memory.dmp
memory/1792-4-0x000000001B900000-0x000000001B980000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-15 17:35
Reported
2024-03-15 17:37
Platform
win10v2004-20240226-en
Max time kernel
70s
Max time network
84s
Command Line
Signatures
Discord RAT
Downloads MZ/PE file
Reads user/profile data of web browsers
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.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 | raw.githubusercontent.com | N/A | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\SCHTASKS.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3164 wrote to memory of 3192 | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | C:\Windows\SYSTEM32\SCHTASKS.exe |
| PID 3164 wrote to memory of 3192 | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | C:\Windows\SYSTEM32\SCHTASKS.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
C:\Windows\SYSTEM32\SCHTASKS.exe
"SCHTASKS.exe" /create /tn "$77Client-built.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\Client-built.exe'" /sc onlogon /rl HIGHEST
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gateway.discord.gg | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 162.159.135.234:443 | gateway.discord.gg | tcp |
| US | 8.8.8.8:53 | 234.135.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | geolocation-db.com | udp |
| DE | 159.89.102.253:443 | geolocation-db.com | tcp |
| US | 8.8.8.8:53 | 57.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.137.159.162.in-addr.arpa | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 253.102.89.159.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.177.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 185.199.108.133:443 | raw.githubusercontent.com | tcp |
| US | 8.8.8.8:53 | 33.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.108.199.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 47.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.134.221.88.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 | 8.8.8.8:53 | 70.179.17.96.in-addr.arpa | udp |
| US | 162.159.137.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 77.179.17.96.in-addr.arpa | udp |
Files
memory/3164-0-0x000001FDA57F0000-0x000001FDA5808000-memory.dmp
memory/3164-1-0x000001FDBFEB0000-0x000001FDC0072000-memory.dmp
memory/3164-2-0x00007FFB677A0000-0x00007FFB68261000-memory.dmp
memory/3164-3-0x000001FDBFEA0000-0x000001FDBFEB0000-memory.dmp
memory/3164-4-0x000001FDC05B0000-0x000001FDC0AD8000-memory.dmp
memory/3164-5-0x00007FFB677A0000-0x00007FFB68261000-memory.dmp
memory/3164-6-0x000001FDBFEA0000-0x000001FDBFEB0000-memory.dmp
memory/3164-7-0x000001FDC0080000-0x000001FDC034A000-memory.dmp