Analysis Overview
SHA256
15c04e22491f8e845da0adff79abd677fc12388ccea0f7c031c679ef175e3228
Threat Level: Known bad
The file YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads WinSCP keys stored on the system
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 07:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 07:13
Reported
2024-06-01 07:16
Platform
win7-20240221-en
Max time kernel
117s
Max time network
123s
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
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2120 set thread context of 1988 | N/A | C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.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\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | 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\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe
"C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2120 -s 660
Network
Files
memory/2120-0-0x000007FEF5DA3000-0x000007FEF5DA4000-memory.dmp
memory/2120-1-0x00000000002C0000-0x00000000002CA000-memory.dmp
memory/2120-2-0x000007FEF5DA0000-0x000007FEF678C000-memory.dmp
memory/2120-3-0x000000001B290000-0x000000001B324000-memory.dmp
memory/1988-5-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1988-13-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1988-17-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1988-15-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1988-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1988-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1988-8-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1988-6-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2120-18-0x000007FEF5DA3000-0x000007FEF5DA4000-memory.dmp
memory/2120-19-0x000007FEF5DA0000-0x000007FEF678C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 07:13
Reported
2024-06-01 07:16
Platform
win10v2004-20240426-en
Max time kernel
91s
Max time network
145s
Command Line
Signatures
AgentTesla
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2868 set thread context of 660 | N/A | C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe
"C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/2868-0-0x0000029673A20000-0x0000029673A2A000-memory.dmp
memory/2868-1-0x00007FFAE00E3000-0x00007FFAE00E5000-memory.dmp
memory/2868-2-0x0000029675750000-0x00000296757E4000-memory.dmp
memory/2868-3-0x00007FFAE00E0000-0x00007FFAE0BA1000-memory.dmp
memory/660-4-0x0000000000400000-0x0000000000440000-memory.dmp
memory/660-5-0x0000000074ECE000-0x0000000074ECF000-memory.dmp
memory/660-6-0x0000000005A10000-0x0000000005FB4000-memory.dmp
memory/660-7-0x00000000054D0000-0x0000000005536000-memory.dmp
memory/660-8-0x0000000074EC0000-0x0000000075670000-memory.dmp
memory/2868-9-0x00007FFAE00E0000-0x00007FFAE0BA1000-memory.dmp
memory/660-10-0x00000000062C0000-0x0000000006310000-memory.dmp
memory/660-11-0x00000000063B0000-0x0000000006442000-memory.dmp
memory/660-12-0x0000000006540000-0x000000000654A000-memory.dmp
memory/660-13-0x0000000074ECE000-0x0000000074ECF000-memory.dmp
memory/660-14-0x0000000074EC0000-0x0000000075670000-memory.dmp