Analysis Overview
SHA256
138dc31c3b2f0952e7558132af34e1a18eb99317ca5b5c256e4289f103071d10
Threat Level: Known bad
The file Client-built.exe was found to be: Known bad.
Malicious Activity Summary
Discord RAT
Discordrat family
Drops file in Windows directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Checks SCSI registry key(s)
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-03 22:07
Signatures
Discordrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 22:07
Reported
2024-06-03 22:09
Platform
win10-20240404-en
Max time kernel
73s
Max time network
68s
Command Line
Signatures
Discord RAT
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\rescache\_merged\1601268389\715946058.pri | C:\Windows\system32\taskmgr.exe | N/A |
| File created | C:\Windows\rescache\_merged\4183903823\2290032291.pri | C:\Windows\system32\taskmgr.exe | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000_Classes\Local Settings | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious behavior: EnumeratesProcesses
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:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Processes
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gateway.discord.gg | udp |
| US | 162.159.130.234:443 | gateway.discord.gg | tcp |
| US | 8.8.8.8:53 | 234.130.159.162.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 162.159.130.234:443 | gateway.discord.gg | tcp |
Files
memory/5036-0-0x000001D648740000-0x000001D648758000-memory.dmp
memory/5036-1-0x00007FFE770D3000-0x00007FFE770D4000-memory.dmp
memory/5036-2-0x000001D662CD0000-0x000001D662E92000-memory.dmp
memory/5036-3-0x00007FFE770D0000-0x00007FFE77ABC000-memory.dmp
memory/5036-4-0x000001D6634D0000-0x000001D6639F6000-memory.dmp
memory/5036-10-0x00007FFE770D0000-0x00007FFE77ABC000-memory.dmp