Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 08:03
General
- Target a48a7b7c3457817a9f92295d1995d38c_JaffaCakes118.exe
- Size 1.5MB
- Sample240613-jxtf4szfre
- SHA256 e4392feff14a3fdc155578887c816e03218ceee8b742127cbcee37ae0ce1c38f
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 12 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
- NTFS ADS 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 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\a48a7b7c3457817a9f92295d1995d38c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a48a7b7c3457817a9f92295d1995d38c_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- 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⤵
- Accesses Microsoft Outlook profiles
- 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/3076-20-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-16-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-6-0x00000000737A2000-0x00000000737A3000-memory.dmp
memory/3076-7-0x00000000737A0000-0x0000000073D51000-memory.dmp
memory/3076-8-0x00000000737A0000-0x0000000073D51000-memory.dmp
memory/3076-25-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-23-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-22-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-1-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-29-0x00000000737A0000-0x0000000073D51000-memory.dmp
memory/3076-17-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-14-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-12-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-11-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-10-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-9-0x0000000000800000-0x0000000000860000-memory.dmp
memory/3076-28-0x00000000737A2000-0x00000000737A3000-memory.dmp
memory/4604-0-0x0000000004680000-0x0000000004681000-memory.dmp