Analysis Overview
SHA256
4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590
Threat Level: Known bad
The file 4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590 was found to be: Known bad.
Malicious Activity Summary
Imminent RAT
Drops desktop.ini file(s)
Suspicious use of SetThreadContext
AutoIT Executable
Drops file in Windows directory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-07-12 09:42
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-12 09:42
Reported
2022-07-12 14:36
Platform
win7-20220414-en
Max time kernel
151s
Max time network
160s
Command Line
Signatures
Imminent RAT
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1872 set thread context of 2032 | N/A | C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Token: 33 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe
"C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
Files
memory/1872-54-0x0000000076461000-0x0000000076463000-memory.dmp
memory/2032-55-0x0000000000451D1E-mapping.dmp
memory/2032-57-0x0000000074C20000-0x00000000751CB000-memory.dmp
memory/2032-58-0x0000000074C20000-0x00000000751CB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-12 09:42
Reported
2022-07-12 14:36
Platform
win10v2004-20220414-en
Max time kernel
152s
Max time network
158s
Command Line
Signatures
Imminent RAT
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1508 set thread context of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Token: 33 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1508 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 1508 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 1508 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 1508 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe
"C:\Users\Admin\AppData\Local\Temp\4b83c718bfb8069c2735953354587b0cf8b0b88cf5b696efc0299a96054de590.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 20.44.10.123:443 | tcp | |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | 96.108.152.52.in-addr.arpa | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| NL | 104.110.191.133:80 | tcp | |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
Files
memory/3644-130-0x0000000000000000-mapping.dmp
memory/3644-131-0x0000000074BD0000-0x0000000075181000-memory.dmp
memory/3644-132-0x0000000074BD0000-0x0000000075181000-memory.dmp