Analysis Overview
SHA256
93e2ba272cce84fa13eac9b5f393e15a55c3719d59651c60bd3b8f27136fef59
Threat Level: Known bad
The file 7c5fefe93d62fc7ce29b236be8235197 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Drops startup file
Checks whether UAC is enabled
AutoIT Executable
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: MapViewOfSection
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-28 06:21
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-28 06:21
Reported
2024-01-28 06:24
Platform
win7-20231215-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
NanoCore
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdchange.lnk | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3000 set thread context of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
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\7c5fefe93d62fc7ce29b236be8235197.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 |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe
"C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
Files
memory/3000-3-0x0000000000940000-0x0000000000943000-memory.dmp
memory/2576-4-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2576-6-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2576-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2576-9-0x0000000073B90000-0x000000007413B000-memory.dmp
memory/2576-11-0x0000000000170000-0x00000000001B0000-memory.dmp
memory/2576-12-0x0000000073B90000-0x000000007413B000-memory.dmp
memory/2576-13-0x0000000000170000-0x00000000001B0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-28 06:21
Reported
2024-01-28 06:24
Platform
win10v2004-20231222-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
NanoCore
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sdchange.lnk | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2772 set thread context of 2468 | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
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\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.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 |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe
"C:\Users\Admin\AppData\Local\Temp\7c5fefe93d62fc7ce29b236be8235197.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
| US | 8.8.8.8:53 | megida.hopto.org | udp |
Files
memory/2772-3-0x0000000000C90000-0x0000000000C93000-memory.dmp
memory/2468-4-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2468-5-0x0000000073280000-0x0000000073831000-memory.dmp
memory/2468-6-0x0000000001280000-0x0000000001290000-memory.dmp
memory/2468-7-0x0000000073280000-0x0000000073831000-memory.dmp
memory/2468-9-0x0000000073280000-0x0000000073831000-memory.dmp
memory/2468-10-0x0000000001280000-0x0000000001290000-memory.dmp
memory/2468-11-0x0000000073280000-0x0000000073831000-memory.dmp