Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
25/09/2026, 17:17
General
- Target 49494f29c02ad372f888b3669595fb189e248b29fcc1d35a3e2be2e57d787fbd.exe
- Size 671KB
- Sample260925-vtthgsts2l
- SHA256 49494f29c02ad372f888b3669595fb189e248b29fcc1d35a3e2be2e57d787fbd
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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lg.sonqhong.com:80
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lg.sonqhong.com:443
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lg.sonqhong.com:8080
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8KlUBhFQHvym
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delay
3
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install
false
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install_folder
%AppData%
Extracted
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agenttesla
-
Protocol
smtp
-
Host
mail.outlook-office365.com
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Port
587
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Username
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Password
Payday2026
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Email to
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound 2 IoCs
Network activity triggered a Suricata alert
- Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
- Executes dropped EXE 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Start PowerShell.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\49494f29c02ad372f888b3669595fb189e248b29fcc1d35a3e2be2e57d787fbd.exe"C:\Users\Admin\AppData\Local\Temp\49494f29c02ad372f888b3669595fb189e248b29fcc1d35a3e2be2e57d787fbd.exe"1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\49494f29c02ad372f888b3669595fb189e248b29fcc1d35a3e2be2e57d787fbd.exe"C:\Users\Admin\AppData\Local\Temp\49494f29c02ad372f888b3669595fb189e248b29fcc1d35a3e2be2e57d787fbd.exe"2⤵
- Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\qtirji.exe"' & exit3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\qtirji.exe"'4⤵
- Enumerates connected drives
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\qtirji.exe"C:\Users\Admin\AppData\Local\Temp\qtirji.exe"5⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
qtirji.exe
memory/236-6-0x0000000007940000-0x0000000007956000-memory.dmp
memory/236-8-0x0000000075070000-0x000000007582C000-memory.dmp
memory/236-3-0x0000000007850000-0x00000000078E2000-memory.dmp
memory/236-4-0x0000000004E00000-0x0000000004E0A000-memory.dmp
memory/236-5-0x0000000075070000-0x000000007582C000-memory.dmp
memory/236-0-0x0000000075082000-0x0000000075083000-memory.dmp
memory/236-7-0x0000000075082000-0x0000000075083000-memory.dmp
memory/236-2-0x0000000007D30000-0x00000000082EA000-memory.dmp
memory/236-9-0x0000000009DA0000-0x0000000009E3C000-memory.dmp
memory/236-10-0x0000000007C60000-0x0000000007CAE000-memory.dmp
memory/236-11-0x000000000A370000-0x000000000A89C000-memory.dmp
memory/236-12-0x000000000A8A0000-0x000000000AD6C000-memory.dmp
memory/236-1-0x00000000007C0000-0x000000000086E000-memory.dmp
memory/236-15-0x0000000075070000-0x000000007582C000-memory.dmp
memory/1068-18-0x0000000006960000-0x00000000069D6000-memory.dmp
memory/1068-16-0x0000000075070000-0x000000007582C000-memory.dmp
memory/1068-17-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/1068-14-0x0000000075070000-0x000000007582C000-memory.dmp
memory/1068-19-0x00000000068E0000-0x0000000006942000-memory.dmp
memory/1068-20-0x0000000006A00000-0x0000000006A1E000-memory.dmp
memory/1068-40-0x0000000075070000-0x000000007582C000-memory.dmp
memory/1068-13-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1068-31-0x0000000075070000-0x000000007582C000-memory.dmp
memory/4124-29-0x00000000066C0000-0x00000000066DE000-memory.dmp
memory/4124-28-0x00000000061F0000-0x000000000654B000-memory.dmp
memory/4124-24-0x0000000005F60000-0x0000000005F82000-memory.dmp
memory/4124-30-0x0000000006730000-0x000000000677C000-memory.dmp
memory/4124-25-0x0000000006010000-0x0000000006076000-memory.dmp
memory/4124-34-0x0000000006C80000-0x0000000006CA2000-memory.dmp
memory/4124-33-0x0000000006C30000-0x0000000006C4A000-memory.dmp
memory/4124-32-0x00000000078C0000-0x0000000007956000-memory.dmp
memory/4124-23-0x00000000058E0000-0x0000000005F2A000-memory.dmp
memory/4124-22-0x0000000005200000-0x0000000005236000-memory.dmp
memory/5544-38-0x0000000000750000-0x0000000000790000-memory.dmp
memory/5544-39-0x0000000006060000-0x00000000060B0000-memory.dmp