Analysis
- max time kernel
133s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
03/06/2024, 11:18
General
- Target 9196e69bca7599cd8e8347c46269cf12_JaffaCakes118.exe
- Size 1.5MB
- Sample240603-nemm3adh49
- SHA256 19c520d6ace068b170e6d4c5e977a93eb4093b55b25c70dc184ad7126c710f63
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 12 IoCs
- Drops file in Drivers directory 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9196e69bca7599cd8e8347c46269cf12_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\9196e69bca7599cd8e8347c46269cf12_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1588-22-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-17-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-6-0x0000000074BC2000-0x0000000074BC3000-memory.dmp
memory/1588-7-0x0000000074BC0000-0x0000000075171000-memory.dmp
memory/1588-8-0x0000000074BC0000-0x0000000075171000-memory.dmp
memory/1588-9-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-25-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-23-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-29-0x0000000074BC0000-0x0000000075171000-memory.dmp
memory/1588-0-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-20-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-16-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-14-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-12-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-11-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-10-0x0000000000400000-0x0000000000460000-memory.dmp
memory/1588-28-0x0000000074BC2000-0x0000000074BC3000-memory.dmp
memory/4716-5-0x00000000012E0000-0x00000000012E1000-memory.dmp