Analysis Overview
SHA256
431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57
Threat Level: Known bad
The file 431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57 was found to be: Known bad.
Malicious Activity Summary
Imminent RAT
Deletes itself
Checks computer location settings
Drops desktop.ini file(s)
Suspicious use of SetThreadContext
AutoIT Executable
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Delays execution with timeout.exe
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-25 09:13
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-25 09:13
Reported
2022-06-25 11:06
Platform
win7-20220414-en
Max time kernel
149s
Max time network
154s
Command Line
Signatures
Imminent RAT
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1980 set thread context of 1908 | N/A | C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.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\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.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\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe
"C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"
C:\Windows\SysWOW64\timeout.exe
TimeOut 1
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 |
| 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 |
| 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 |
| 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/1980-54-0x00000000768D1000-0x00000000768D3000-memory.dmp
memory/1908-55-0x0000000000451D1E-mapping.dmp
memory/1120-57-0x0000000000000000-mapping.dmp
memory/1524-58-0x0000000000000000-mapping.dmp
memory/1908-59-0x0000000073760000-0x0000000073D0B000-memory.dmp
memory/1908-60-0x0000000073760000-0x0000000073D0B000-memory.dmp
memory/1908-61-0x0000000073760000-0x0000000073D0B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-25 09:13
Reported
2022-06-25 11:06
Platform
win10v2004-20220414-en
Max time kernel
150s
Max time network
156s
Command Line
Signatures
Imminent RAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe | N/A |
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 3376 set thread context of 4900 | N/A | C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.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 |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.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\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.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\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe
"C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\431e42ed4df4f2ead4a87745376e92ac9b7ea51d08be4a5eefe151d1e9f25b57.exe"
C:\Windows\SysWOW64\timeout.exe
TimeOut 1
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | 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 |
| US | 8.253.208.112:80 | tcp | |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| FR | 2.18.109.224:443 | tcp | |
| US | 104.18.24.243:80 | 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 |
| IE | 13.69.239.74:443 | 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 |
| US | 8.253.208.112:80 | tcp | |
| US | 8.253.208.112:80 | tcp | |
| US | 8.253.208.112:80 | 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 |
| 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 |
| 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 |
Files
memory/4900-130-0x0000000000000000-mapping.dmp
memory/3376-131-0x0000000003FF0000-0x0000000003FF3000-memory.dmp
memory/4756-132-0x0000000000000000-mapping.dmp
memory/3184-133-0x0000000000000000-mapping.dmp
memory/4900-134-0x0000000073EC0000-0x0000000074471000-memory.dmp
memory/4900-135-0x0000000073EC0000-0x0000000074471000-memory.dmp