Analysis Overview
SHA256
7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f
Threat Level: Known bad
The file a13c1ec24d6b087a6ac188b0fd254178.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Script User-Agent
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-06-01 04:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 04:37
Reported
2024-06-01 04:39
Platform
win7-20240215-en
Max time kernel
132s
Max time network
142s
Command Line
Signatures
AsyncRat
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1512 set thread context of 1928 | N/A | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe |
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) | N/A | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe
"C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
-arguments
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 348
Network
| Country | Destination | Domain | Proto |
| LT | 176.223.130.167:80 | 176.223.130.167 | tcp |
| N/A | 192.168.1.2:1800 | tcp | |
| N/A | 192.168.1.2:1800 | tcp | |
| N/A | 192.168.1.2:1800 | tcp | |
| N/A | 192.168.1.2:1800 | tcp | |
| N/A | 192.168.1.2:1800 | tcp | |
| N/A | 192.168.1.2:1800 | tcp |
Files
memory/1928-2-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1928-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/1928-10-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1928-11-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1928-4-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1928-12-0x000000007460E000-0x000000007460F000-memory.dmp
memory/1928-13-0x0000000074600000-0x0000000074CEE000-memory.dmp
memory/1928-14-0x0000000074600000-0x0000000074CEE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 04:37
Reported
2024-06-01 04:39
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
AsyncRat
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4632 set thread context of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe |
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) | N/A | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4632 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
| PID 4632 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
| PID 4632 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
| PID 4632 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
| PID 4632 wrote to memory of 2136 | N/A | C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe
"C:\Users\Admin\AppData\Local\Temp\a13c1ec24d6b087a6ac188b0fd254178.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
-arguments
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4632 -ip 4632
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 876
Network
| Country | Destination | Domain | Proto |
| LT | 176.223.130.167:80 | 176.223.130.167 | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.130.223.176.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| N/A | 192.168.1.2:1800 | tcp | |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| N/A | 192.168.1.2:1800 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| N/A | 192.168.1.2:1800 | tcp | |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| N/A | 192.168.1.2:1800 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| N/A | 192.168.1.2:1800 | tcp | |
| N/A | 192.168.1.2:1800 | tcp | |
| US | 8.8.8.8:53 | 88.16.208.104.in-addr.arpa | udp |
Files
memory/2136-2-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2136-7-0x000000007447E000-0x000000007447F000-memory.dmp
memory/2136-8-0x0000000074470000-0x0000000074C20000-memory.dmp
memory/2136-9-0x000000007447E000-0x000000007447F000-memory.dmp
memory/2136-10-0x0000000074470000-0x0000000074C20000-memory.dmp