Analysis
- max time kernel
148s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
18/05/2024, 13:38
General
- Target 54faae96db26732d8fcb30b45ed9dd5d_JaffaCakes118.exe
- Size 649KB
- Sample240518-qxfctaea72
- SHA256 099b24e1801dfdab9db3a4ccf2e57f187c119fd826b8645e6c494d3fda457721
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
HEoxefZ9
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\54faae96db26732d8fcb30b45ed9dd5d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\54faae96db26732d8fcb30b45ed9dd5d_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WibruevZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD997.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\54faae96db26732d8fcb30b45ed9dd5d_JaffaCakes118.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
54faae96db26732d8fcb30b45ed9dd5d_JaffaCakes118.exe.log
tmpD997.tmp
memory/2304-5-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/2304-11-0x000000000E080000-0x000000000E0E0000-memory.dmp
memory/2304-4-0x00000000053D0000-0x00000000053DA000-memory.dmp
memory/2304-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp
memory/2304-6-0x000000000B570000-0x000000000B60C000-memory.dmp
memory/2304-7-0x0000000005760000-0x0000000005772000-memory.dmp
memory/2304-8-0x0000000074C4E000-0x0000000074C4F000-memory.dmp
memory/2304-9-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/2304-10-0x000000000B6A0000-0x000000000B70C000-memory.dmp
memory/2304-3-0x00000000053E0000-0x0000000005472000-memory.dmp
memory/2304-2-0x00000000058B0000-0x0000000005E54000-memory.dmp
memory/2304-19-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/2304-1-0x0000000000960000-0x0000000000A08000-memory.dmp
memory/3840-18-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/3840-15-0x0000000000400000-0x000000000044C000-memory.dmp
memory/3840-20-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/3840-21-0x0000000005750000-0x0000000005768000-memory.dmp
memory/3840-22-0x00000000065F0000-0x0000000006656000-memory.dmp
memory/3840-24-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/3840-25-0x0000000006D30000-0x0000000006D80000-memory.dmp