Analysis Overview
SHA256
e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85
Threat Level: Known bad
The file e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Nanocore family
Drops startup file
Checks whether UAC is enabled
Suspicious use of SetThreadContext
UPX packed file
AutoIT Executable
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-02 12:48
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: behavioral2
Detonation Overview
Submitted
2025-02-02 12:48
Reported
2025-02-02 12:50
Platform
win10v2004-20250129-en
Max time kernel
120s
Max time network
120s
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\e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.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 2028 set thread context of 4436 | N/A | C:\Users\Admin\AppData\Local\Temp\e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.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 |
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| 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\e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.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\e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.exe
"C:\Users\Admin\AppData\Local\Temp\e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.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 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| GB | 95.101.143.193:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 138.201.86.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.143.101.95.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 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.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 | 8.8.8.8:53 | 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 | 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 | testwork.kozow.com | udp |
| US | 8.8.8.8:53 | 48.229.111.52.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 | 8.8.8.8:53 | 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/2028-0-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-6-0x0000000003BE0000-0x0000000003BE1000-memory.dmp
memory/4436-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4436-12-0x0000000073EA2000-0x0000000073EA3000-memory.dmp
memory/4436-13-0x0000000073EA0000-0x0000000074451000-memory.dmp
memory/4436-15-0x0000000073EA0000-0x0000000074451000-memory.dmp
memory/2028-14-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-17-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-18-0x0000000003BE0000-0x0000000003BE1000-memory.dmp
memory/4436-19-0x0000000073EA2000-0x0000000073EA3000-memory.dmp
memory/4436-20-0x0000000073EA0000-0x0000000074451000-memory.dmp
memory/4436-21-0x0000000073EA0000-0x0000000074451000-memory.dmp
memory/2028-22-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-23-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-24-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-25-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-26-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-27-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-28-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-29-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-30-0x00000000001B0000-0x0000000000361000-memory.dmp
memory/2028-31-0x00000000001B0000-0x0000000000361000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-02 12:48
Reported
2025-02-02 12:50
Platform
win7-20240903-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\e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.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 |
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| 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 2064 set thread context of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.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 |
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| 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\e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.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\e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.exe
"C:\Users\Admin\AppData\Local\Temp\e89a97e8e2da93bc1520f474fb55b5109412b6a582f4a9d998e092a727e64c85.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 |
Files
memory/2064-0-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-6-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/2180-15-0x0000000000090000-0x00000000000C8000-memory.dmp
memory/2180-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2180-9-0x0000000000090000-0x00000000000C8000-memory.dmp
memory/2180-7-0x0000000000090000-0x00000000000C8000-memory.dmp
memory/2180-16-0x0000000000090000-0x00000000000C8000-memory.dmp
memory/2180-17-0x00000000742D2000-0x00000000742D4000-memory.dmp
memory/2064-19-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-20-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-21-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/2180-22-0x00000000742D2000-0x00000000742D4000-memory.dmp
memory/2064-23-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-24-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-25-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-26-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-27-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-28-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-29-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-30-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-31-0x0000000000AE0000-0x0000000000C91000-memory.dmp
memory/2064-32-0x0000000000AE0000-0x0000000000C91000-memory.dmp