Analysis Overview
SHA256
64349010e1fbfa33f4ea4f3ec59950d2a7b44874488902a78cee4544dfecce33
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 SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-05-01 05:37
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 05:37
Reported
2023-05-01 05:39
Platform
win7-20230220-en
Max time kernel
29s
Max time network
153s
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 | 45.80.158.121:7707 | Modyhr.ddnsfree.com | tcp |
Files
memory/1696-54-0x00000000013C0000-0x00000000013D6000-memory.dmp
memory/1696-55-0x0000000001360000-0x00000000013A0000-memory.dmp
memory/1696-73-0x0000000001360000-0x00000000013A0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-05-01 05:37
Reported
2023-05-01 05:39
Platform
win10v2004-20230220-en
Max time kernel
62s
Max time network
147s
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 | 232.168.11.51.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 | 45.80.158.121:8808 | Modyhr.ddnsfree.com | tcp |
| US | 8.8.8.8:53 | 121.158.80.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 52.152.108.96:443 | tcp | |
| IE | 20.50.73.9:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.8.109.52.in-addr.arpa | udp |
| US | 93.184.221.240:80 | tcp |
Files
memory/2128-133-0x0000000000DD0000-0x0000000000DE6000-memory.dmp
memory/2128-134-0x00000000056A0000-0x00000000056B0000-memory.dmp
memory/2128-135-0x0000000006230000-0x00000000067D4000-memory.dmp
memory/2128-136-0x0000000005E60000-0x0000000005EF2000-memory.dmp
memory/2128-137-0x0000000005E40000-0x0000000005E4A000-memory.dmp
memory/2128-138-0x00000000069C0000-0x0000000006A5C000-memory.dmp
memory/2128-139-0x0000000006A60000-0x0000000006AC6000-memory.dmp
memory/2128-140-0x00000000056A0000-0x00000000056B0000-memory.dmp