Analysis Overview
SHA256
acd3fc66fd0197318253d2d5f4cb724b6cb54963f554b60839d03a252f560901
Threat Level: Known bad
The file stub.exe was found to be: Known bad.
Malicious Activity Summary
Async RAT payload
Asyncrat family
AsyncRat
Async RAT payload
Reads user/profile data of web browsers
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-05-01 05:09
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: behavioral2
Detonation Overview
Submitted
2023-05-01 05:09
Reported
2023-05-01 05:11
Platform
win10v2004-20230221-en
Max time kernel
133s
Max time network
150s
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 | 40.125.122.176:443 | tcp | |
| US | 8.8.8.8:53 | 176.122.125.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 39.146.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ghoss.freeddns.org | udp |
| DE | 85.215.205.213:8808 | ghoss.freeddns.org | tcp |
| US | 8.8.8.8:53 | 213.205.215.85.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| US | 20.189.173.4:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 1.77.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 40.125.122.176:443 | tcp | |
| US | 40.125.122.176:443 | tcp |
Files
memory/748-133-0x00000000006F0000-0x0000000000706000-memory.dmp
memory/748-134-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/748-135-0x0000000005B50000-0x00000000060F4000-memory.dmp
memory/748-136-0x0000000005780000-0x0000000005812000-memory.dmp
memory/748-137-0x0000000005770000-0x000000000577A000-memory.dmp
memory/748-138-0x0000000006240000-0x00000000062DC000-memory.dmp
memory/748-139-0x00000000062E0000-0x0000000006346000-memory.dmp
memory/748-140-0x0000000005190000-0x00000000051A0000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-01 05:09
Reported
2023-05-01 05:11
Platform
win7-20230220-en
Max time kernel
31s
Max time network
143s
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 | ghoss.freeddns.org | udp |
| DE | 85.215.205.213:6606 | ghoss.freeddns.org | tcp |
Files
memory/1408-54-0x0000000000B00000-0x0000000000B16000-memory.dmp
memory/1408-55-0x0000000000380000-0x00000000003C0000-memory.dmp