Analysis Overview
SHA256
37157625bef24977ce0cf11e74b3d5c8412a0638b541e51cc0944b5127b2469d
Threat Level: Known bad
The file 37157625bef24977ce0cf11e74b3d5c8412a0638b541e51cc0944b5127b2469d was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-24 15:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-24 15:50
Reported
2024-05-24 15:52
Platform
win7-20240215-en
Max time kernel
119s
Max time network
145s
Command Line
Signatures
AsyncRat
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\SmokerLtd = "C:\\Users\\Admin\\Documents\\Umunu\\uOperna.exe" | C:\Users\Admin\AppData\Local\Temp\37157625bef24977ce0cf11e74b3d5c8412a0638b541e51cc0944b5127b2469d.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2416 set thread context of 1160 | N/A | C:\Users\Admin\AppData\Local\Temp\37157625bef24977ce0cf11e74b3d5c8412a0638b541e51cc0944b5127b2469d.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\37157625bef24977ce0cf11e74b3d5c8412a0638b541e51cc0944b5127b2469d.exe
"C:\Users\Admin\AppData\Local\Temp\37157625bef24977ce0cf11e74b3d5c8412a0638b541e51cc0944b5127b2469d.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | krakenstudio061Q.casacam.net | udp |
| CO | 177.255.88.222:8002 | krakenstudio061Q.casacam.net | tcp |
Files
memory/2416-0-0x0000000000400000-0x00000000005DB000-memory.dmp
memory/2416-2-0x0000000000400000-0x00000000005DB000-memory.dmp
memory/2416-1-0x000000000040C000-0x0000000000425000-memory.dmp
memory/1160-3-0x0000000000080000-0x0000000000092000-memory.dmp
memory/1160-4-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/1160-5-0x0000000000080000-0x0000000000092000-memory.dmp
memory/1160-7-0x0000000000080000-0x0000000000092000-memory.dmp
memory/1160-9-0x0000000000080000-0x0000000000092000-memory.dmp
memory/2416-10-0x0000000000400000-0x00000000005DB000-memory.dmp
memory/1160-11-0x000000007472E000-0x000000007472F000-memory.dmp
memory/1160-12-0x0000000074720000-0x0000000074E0E000-memory.dmp
memory/1160-30-0x000000007472E000-0x000000007472F000-memory.dmp
memory/1160-31-0x0000000074720000-0x0000000074E0E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-24 15:50
Reported
2024-05-24 15:52
Platform
win10v2004-20240426-en
Max time kernel
132s
Max time network
147s
Command Line
Signatures
AsyncRat
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SmokerLtd = "C:\\Users\\Admin\\Documents\\Umunu\\uOperna.exe" | C:\Users\Admin\AppData\Local\Temp\37157625bef24977ce0cf11e74b3d5c8412a0638b541e51cc0944b5127b2469d.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3348 set thread context of 3168 | N/A | C:\Users\Admin\AppData\Local\Temp\37157625bef24977ce0cf11e74b3d5c8412a0638b541e51cc0944b5127b2469d.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\37157625bef24977ce0cf11e74b3d5c8412a0638b541e51cc0944b5127b2469d.exe
"C:\Users\Admin\AppData\Local\Temp\37157625bef24977ce0cf11e74b3d5c8412a0638b541e51cc0944b5127b2469d.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.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 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | krakenstudio061Q.casacam.net | udp |
| CO | 177.255.88.222:8002 | krakenstudio061Q.casacam.net | tcp |
| US | 8.8.8.8:53 | 222.88.255.177.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 52.111.227.11:443 | tcp | |
| US | 8.8.8.8:53 | 23.236.111.52.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 | 45.19.74.20.in-addr.arpa | udp |
Files
memory/3348-0-0x0000000000400000-0x00000000005DB000-memory.dmp
memory/3348-2-0x0000000000400000-0x00000000005DB000-memory.dmp
memory/3348-1-0x000000000040C000-0x0000000000425000-memory.dmp
memory/3168-3-0x0000000000A10000-0x0000000000A22000-memory.dmp
memory/3348-4-0x0000000000400000-0x00000000005DB000-memory.dmp
memory/3168-5-0x0000000073D5E000-0x0000000073D5F000-memory.dmp
memory/3168-6-0x0000000073D50000-0x0000000074500000-memory.dmp
memory/3168-9-0x0000000005C30000-0x0000000005CCC000-memory.dmp
memory/3168-10-0x0000000006280000-0x0000000006824000-memory.dmp
memory/3168-11-0x0000000005CD0000-0x0000000005D36000-memory.dmp
memory/3168-12-0x0000000073D50000-0x0000000074500000-memory.dmp
memory/3168-13-0x0000000073D5E000-0x0000000073D5F000-memory.dmp
memory/3168-14-0x0000000073D50000-0x0000000074500000-memory.dmp
memory/3168-15-0x0000000073D50000-0x0000000074500000-memory.dmp