Analysis
- max time kernel
149s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
15/10/2026, 23:27
General
- Target jaffacakes118_Trojan.Win32.Agent.qwhwyf.exe
- Size 1.1MB
- Sample261015-3fpw5sys7k
- SHA256 f5ed00f7e7522b65e0c23c32c0b0eb339eb96b81a06aea517a6c302caca3ea70
Malware Config
Signatures
- 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.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agent.qwhwyf.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agent.qwhwyf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agent.qwhwyf.exeC:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agent.qwhwyf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/4660-2-0x00000000022C0000-0x00000000022C7000-memory.dmp
memory/5384-3-0x0000000000400000-0x0000000000477000-memory.dmp
memory/5384-11-0x0000000074BB2000-0x0000000074BB4000-memory.dmp
memory/5384-10-0x00000000000E0000-0x00000000000F0000-memory.dmp
memory/5384-12-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/5384-13-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/5384-14-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/5384-16-0x00000000000E0000-0x00000000000F0000-memory.dmp
memory/5384-17-0x0000000074BB2000-0x0000000074BB4000-memory.dmp
memory/5384-18-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/5384-20-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/5384-22-0x0000000074BB0000-0x0000000075161000-memory.dmp