Analysis Overview
SHA256
ee7e36e4f460751432305467cb11d85ff90591a59223a5d7da3a33144b02a6c4
Threat Level: Known bad
The file payload.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Reads data files stored by FTP clients
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks up external IP address via web service
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-18 15:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-18 15:04
Reported
2024-06-18 15:15
Platform
win10v2004-20240508-en
Max time kernel
529s
Max time network
539s
Command Line
Signatures
AgentTesla
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gcfbzna = "C:\\Users\\Admin\\AppData\\Roaming\\Gcfbzna.bat" | C:\Users\Admin\AppData\Local\Temp\payload.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1416 set thread context of 2896 | N/A | C:\Users\Admin\AppData\Local\Temp\payload.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\payload.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\payload.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\payload.exe
"C:\Users\Admin\AppData\Local\Temp\payload.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
Files
memory/1416-0-0x000000007471E000-0x000000007471F000-memory.dmp
memory/1416-1-0x0000000000D70000-0x00000000011DA000-memory.dmp
memory/1416-2-0x0000000006E10000-0x0000000007042000-memory.dmp
memory/1416-3-0x00000000075F0000-0x0000000007B94000-memory.dmp
memory/1416-4-0x00000000070E0000-0x0000000007172000-memory.dmp
memory/1416-10-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-8-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-24-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-6-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-5-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-48-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-28-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-26-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-22-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-20-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-18-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-16-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-14-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-12-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-52-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-68-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-66-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-64-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-62-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-60-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-58-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-56-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-54-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-50-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-46-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-44-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-42-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-40-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-38-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-36-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-35-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-32-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-30-0x0000000006E10000-0x000000000703B000-memory.dmp
memory/1416-4891-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/1416-4893-0x0000000005C70000-0x0000000005CBC000-memory.dmp
memory/1416-4894-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/1416-4892-0x0000000005C00000-0x0000000005C6C000-memory.dmp
memory/1416-4895-0x0000000007310000-0x0000000007364000-memory.dmp
memory/1416-4898-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/2896-4899-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/2896-4900-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2896-4901-0x00000000051C0000-0x0000000005226000-memory.dmp
memory/2896-4902-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/2896-4903-0x00000000068B0000-0x0000000006900000-memory.dmp
memory/2896-4904-0x0000000006940000-0x000000000694A000-memory.dmp
memory/2896-4905-0x0000000074710000-0x0000000074EC0000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-18 15:04
Reported
2024-06-18 15:15
Platform
win7-20240611-en
Max time kernel
359s
Max time network
361s
Command Line
Signatures
AgentTesla
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gcfbzna = "C:\\Users\\Admin\\AppData\\Roaming\\Gcfbzna.bat" | C:\Users\Admin\AppData\Local\Temp\payload.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
| N/A | ip-api.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2736 set thread context of 2552 | N/A | C:\Users\Admin\AppData\Local\Temp\payload.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\payload.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\payload.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\payload.exe
"C:\Users\Admin\AppData\Local\Temp\payload.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.13.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
Files
memory/2736-0-0x000000007444E000-0x000000007444F000-memory.dmp
memory/2736-1-0x0000000000110000-0x000000000057A000-memory.dmp
memory/2736-2-0x0000000006040000-0x0000000006272000-memory.dmp
memory/2736-4-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-10-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-3-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-6-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-34-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-38-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-45-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-48-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-8-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-14-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-30-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-32-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-36-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-28-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-26-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-24-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-22-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-20-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-18-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-17-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-12-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-40-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-42-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-46-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-50-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-56-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-52-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-66-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-64-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-62-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-60-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-58-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-54-0x0000000006040000-0x000000000626B000-memory.dmp
memory/2736-4890-0x00000000026A0000-0x00000000026EC000-memory.dmp
memory/2736-4889-0x00000000025C0000-0x000000000262C000-memory.dmp
memory/2736-4891-0x0000000074440000-0x0000000074B2E000-memory.dmp
memory/2736-4892-0x00000000047A0000-0x00000000047F4000-memory.dmp
memory/2736-4911-0x0000000074440000-0x0000000074B2E000-memory.dmp
memory/2552-4912-0x0000000000090000-0x00000000000D2000-memory.dmp