Analysis
- max time kernel
118s - max time network
119s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
28/01/2025, 14:29
General
- Target MACHINE QUOTATION.exe
- Size 883KB
- Sample250128-rtkc2avjcn
- SHA256 737981c73007c1fd4dc3cf2d9a5c79cb004fe48bdf3cba06b4ead50b3a57af13
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.ercolina-usa.com
-
Port
21
-
Username
-
Password
nXe0M~WkW&nJ
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.ercolina-usa.com
-
Port
21
-
Username
-
Password
nXe0M~WkW&nJ
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- 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 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTATION.exe"C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTATION.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTATION.exe"C:\Users\Admin\AppData\Local\Temp\MACHINE QUOTATION.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
MACHINE QUOTATION.exe.log
memory/1356-10-0x000000000DAC0000-0x000000000DB5C000-memory.dmp
memory/1356-15-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/1356-3-0x0000000005650000-0x00000000056E2000-memory.dmp
memory/1356-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp
memory/1356-5-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/1356-6-0x0000000008020000-0x000000000803E000-memory.dmp
memory/1356-7-0x0000000074A4E000-0x0000000074A4F000-memory.dmp
memory/1356-8-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/1356-2-0x0000000005B60000-0x0000000006104000-memory.dmp
memory/1356-9-0x00000000050D0000-0x0000000005158000-memory.dmp
memory/1356-4-0x0000000005810000-0x000000000581A000-memory.dmp
memory/1356-1-0x0000000000CF0000-0x0000000000DD2000-memory.dmp
memory/1956-14-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/1956-11-0x0000000000400000-0x0000000000444000-memory.dmp
memory/1956-16-0x0000000004FC0000-0x0000000005026000-memory.dmp
memory/1956-17-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/1956-20-0x0000000006890000-0x00000000068E0000-memory.dmp
memory/1956-21-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/1956-22-0x0000000074A40000-0x00000000751F0000-memory.dmp