Analysis Overview
SHA256
ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102
Threat Level: Known bad
The file ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Modifies WinLogon for persistence
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
AutoIT Executable
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-26 23:32
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-26 23:32
Reported
2022-11-27 16:57
Platform
win7-20220812-en
Max time kernel
151s
Max time network
148s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "%AppData%\\Windows\\Sidebar.exe,explorer.exe" | C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.exe | N/A |
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\2 = "%AppData%\\Windows\\Sidebar.exe" | C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.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 1192 set thread context of 1512 | N/A | C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | 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 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 WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.exe
"C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.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 |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | lazyshare.net | udp |
| N/A | 35.212.156.187:80 | lazyshare.net | tcp |
Files
memory/1192-54-0x0000000076701000-0x0000000076703000-memory.dmp
memory/1512-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1512-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1512-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1512-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1512-62-0x000000000041EDAE-mapping.dmp
memory/1512-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1512-64-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1512-66-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1512-68-0x0000000074AD0000-0x000000007507B000-memory.dmp
memory/1512-69-0x0000000074AD0000-0x000000007507B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-26 23:32
Reported
2022-11-27 16:58
Platform
win10v2004-20220812-en
Max time kernel
196s
Max time network
199s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "%AppData%\\Windows\\Sidebar.exe,explorer.exe" | C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.exe | N/A |
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2 = "%AppData%\\Windows\\Sidebar.exe" | C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.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 4804 set thread context of 2076 | N/A | C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| N/A | N/A | 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 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 WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.exe
"C:\Users\Admin\AppData\Local\Temp\ca0fe1d580e881e6908aced30a49c9f48cd8ea14c769571b1a60bd8eee033102.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 |
| N/A | 8.238.23.254:80 | tcp | |
| N/A | 8.238.23.254:80 | tcp | |
| N/A | 51.116.253.170:443 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 93.184.220.29:80 | tcp | |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | lazyshare.net | udp |
| N/A | 35.212.156.187:80 | lazyshare.net | tcp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | 97.97.242.52.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | 7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.ip6.arpa | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
| N/A | 8.8.8.8:53 | donx.strangled.net | udp |
Files
memory/2076-132-0x0000000000000000-mapping.dmp
memory/2076-133-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2076-134-0x0000000074D60000-0x0000000075311000-memory.dmp
memory/2076-135-0x0000000074D60000-0x0000000075311000-memory.dmp