Analysis Overview
SHA256
d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a
Threat Level: Known bad
The file d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Nanocore family
Drops startup file
Checks whether UAC is enabled
UPX packed file
Suspicious use of SetThreadContext
AutoIT Executable
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-01 20:32
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-01 20:32
Reported
2025-02-01 20:34
Platform
win7-20241023-en
Max time kernel
120s
Max time network
119s
Command Line
Signatures
NanoCore
Nanocore family
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PresentationHost.url | C:\Users\Admin\AppData\Local\Temp\d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.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 |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 772 set thread context of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
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 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
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.exe
"C:\Users\Admin\AppData\Local\Temp\d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.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 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
Files
memory/772-0-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-6-0x00000000002E0000-0x00000000002E1000-memory.dmp
memory/2208-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2208-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2208-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2208-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2208-7-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2208-16-0x0000000074692000-0x0000000074694000-memory.dmp
memory/772-18-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-19-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-20-0x00000000002E0000-0x00000000002E1000-memory.dmp
memory/2208-21-0x0000000074692000-0x0000000074694000-memory.dmp
memory/772-22-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-23-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-24-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-25-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-26-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-27-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-28-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-29-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-30-0x0000000000040000-0x00000000001F1000-memory.dmp
memory/772-31-0x0000000000040000-0x00000000001F1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-02-01 20:32
Reported
2025-02-01 20:34
Platform
win10v2004-20250129-en
Max time kernel
120s
Max time network
119s
Command Line
Signatures
NanoCore
Nanocore family
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PresentationHost.url | C:\Users\Admin\AppData\Local\Temp\d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.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 |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4180 set thread context of 1720 | N/A | C:\Users\Admin\AppData\Local\Temp\d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
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 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
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.exe
"C:\Users\Admin\AppData\Local\Temp\d6a948f4d3aad1f6eae77b593610b86ac4635a123e93cdd4e23c64ddac33a52a.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 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 128.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | 4.4.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.130.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
| US | 8.8.4.4:53 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | testwork.kozow.com | udp |
Files
memory/4180-0-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-6-0x0000000001830000-0x0000000001831000-memory.dmp
memory/1720-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1720-12-0x0000000074162000-0x0000000074163000-memory.dmp
memory/1720-13-0x0000000074160000-0x0000000074711000-memory.dmp
memory/4180-14-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/1720-15-0x0000000074160000-0x0000000074711000-memory.dmp
memory/4180-17-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-18-0x0000000001830000-0x0000000001831000-memory.dmp
memory/1720-19-0x0000000074162000-0x0000000074163000-memory.dmp
memory/1720-20-0x0000000074160000-0x0000000074711000-memory.dmp
memory/1720-21-0x0000000074160000-0x0000000074711000-memory.dmp
memory/4180-22-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-23-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-24-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-25-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-26-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-27-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-28-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-29-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-30-0x0000000000400000-0x00000000005B1000-memory.dmp
memory/4180-31-0x0000000000400000-0x00000000005B1000-memory.dmp