Analysis Overview
SHA256
7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f
Threat Level: Known bad
The file 7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Script User-Agent
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-06-01 04:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 04:45
Reported
2024-06-01 04:48
Platform
win10v2004-20240226-en
Max time kernel
143s
Max time network
156s
Command Line
Signatures
AsyncRat
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 648 set thread context of 5008 | N/A | C:\Users\Admin\AppData\Local\Temp\7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f.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\7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f.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\7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f.exe
"C:\Users\Admin\AppData\Local\Temp\7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
-arguments
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 648 -ip 648
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 804
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4112 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| LT | 176.223.130.167:80 | 176.223.130.167 | tcp |
| US | 8.8.8.8:53 | 167.130.223.176.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 192.168.1.2:1800 | tcp | |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.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 | 11.227.111.52.in-addr.arpa | udp |
| N/A | 192.168.1.2:1800 | tcp | |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 216.58.204.74:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 74.204.58.216.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 | 23.173.189.20.in-addr.arpa | udp |
Files
memory/5008-2-0x0000000000400000-0x0000000000412000-memory.dmp
memory/5008-7-0x0000000074A5E000-0x0000000074A5F000-memory.dmp
memory/5008-8-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/5008-9-0x0000000074A5E000-0x0000000074A5F000-memory.dmp
memory/5008-10-0x0000000074A50000-0x0000000075200000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 04:45
Reported
2024-06-01 04:48
Platform
win11-20240508-en
Max time kernel
144s
Max time network
149s
Command Line
Signatures
AsyncRat
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1788 set thread context of 3728 | N/A | C:\Users\Admin\AppData\Local\Temp\7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f.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\7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f.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\7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f.exe
"C:\Users\Admin\AppData\Local\Temp\7b7f9647dbc512c0f9857332b181991b1e8f6b1ab0634f31d8612ee483d2933f.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
-arguments
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1788 -ip 1788
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 920
Network
| Country | Destination | Domain | Proto |
| LT | 176.223.130.167:80 | 176.223.130.167 | tcp |
| US | 8.8.8.8:53 | 167.130.223.176.in-addr.arpa | udp |
| 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/3728-2-0x0000000000400000-0x0000000000412000-memory.dmp
memory/3728-7-0x0000000074A2E000-0x0000000074A2F000-memory.dmp
memory/3728-8-0x0000000074A20000-0x00000000751D1000-memory.dmp
memory/3728-9-0x0000000074A20000-0x00000000751D1000-memory.dmp