Analysis Overview
SHA256
64349010e1fbfa33f4ea4f3ec59950d2a7b44874488902a78cee4544dfecce33
Threat Level: Known bad
The file stub.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Async RAT payload
Asyncrat family
Async RAT payload
Reads user/profile data of web browsers
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-05-01 05:35
Signatures
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Asyncrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-01 05:35
Reported
2023-05-01 05:37
Platform
win7-20230220-en
Max time kernel
30s
Max time network
152s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\stub.exe
"C:\Users\Admin\AppData\Local\Temp\stub.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | Modyhr.ddnsfree.com | udp |
| US | 45.80.158.121:6606 | Modyhr.ddnsfree.com | tcp |
Files
memory/1704-54-0x00000000003B0000-0x00000000003C6000-memory.dmp
memory/1704-55-0x0000000002020000-0x0000000002060000-memory.dmp
memory/1704-73-0x0000000002020000-0x0000000002060000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-05-01 05:35
Reported
2023-05-01 05:37
Platform
win10v2004-20230220-en
Max time kernel
135s
Max time network
152s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\stub.exe
"C:\Users\Admin\AppData\Local\Temp\stub.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | Modyhr.ddnsfree.com | udp |
| US | 45.80.158.121:6606 | Modyhr.ddnsfree.com | tcp |
| US | 8.8.8.8:53 | 121.158.80.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| IE | 20.50.73.9:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 8.8.8.8:53 | 63.13.109.52.in-addr.arpa | udp |
| US | 13.107.4.50:80 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 40.125.122.176:443 | tcp |
Files
memory/1512-133-0x0000000000980000-0x0000000000996000-memory.dmp
memory/1512-134-0x0000000005350000-0x0000000005360000-memory.dmp
memory/1512-135-0x0000000005E10000-0x00000000063B4000-memory.dmp
memory/1512-136-0x0000000005A10000-0x0000000005AA2000-memory.dmp
memory/1512-137-0x00000000059F0000-0x00000000059FA000-memory.dmp
memory/1512-138-0x0000000006500000-0x000000000659C000-memory.dmp
memory/1512-139-0x00000000065A0000-0x0000000006606000-memory.dmp
memory/1512-140-0x0000000005350000-0x0000000005360000-memory.dmp