Analysis
- max time kernel
121s - max time network
124s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
06/06/2024, 07:45
General
- Target ASMT-AR00-AST00 1980pcs.exe
- Size 1002KB
- Sample240606-jldxaabe2t
- SHA256 1f7dcd5994d22e9acfb0313d58b4227abcd33966ae38863d91fbed5a0cd7b415
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.medicalhome.com.pe
-
Port
587
-
Username
-
Password
MHinfo01
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ASMT-AR00-AST00 1980pcs.exe"C:\Users\Admin\AppData\Local\Temp\ASMT-AR00-AST00 1980pcs.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ASMT-AR00-AST00 1980pcs.exe"C:\Users\Admin\AppData\Local\Temp\ASMT-AR00-AST00 1980pcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2120-19-0x0000000074AD0000-0x00000000751BE000-memory.dmp
memory/2120-21-0x0000000074AD0000-0x00000000751BE000-memory.dmp
memory/2120-24-0x0000000074AD0000-0x00000000751BE000-memory.dmp
memory/2120-16-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2120-9-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2120-10-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2120-11-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2120-8-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2120-18-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2120-14-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2120-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2876-3-0x00000000005C0000-0x00000000005D6000-memory.dmp
memory/2876-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp
memory/2876-1-0x00000000000C0000-0x00000000001BC000-memory.dmp
memory/2876-20-0x0000000074AD0000-0x00000000751BE000-memory.dmp
memory/2876-6-0x0000000005380000-0x0000000005438000-memory.dmp
memory/2876-5-0x0000000000770000-0x0000000000780000-memory.dmp
memory/2876-4-0x0000000000760000-0x000000000076E000-memory.dmp
memory/2876-2-0x0000000074AD0000-0x00000000751BE000-memory.dmp