Analysis
- max time kernel
102s - max time network
103s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
08/06/2024, 01:33
General
- Target 9899d270f0415ca5ed8efb8f344f8d07a966698fd125f175a6f500cf3e5b4580.exe
- Size 234KB
- Sample240608-bysxzafb8y
- SHA256 9899d270f0415ca5ed8efb8f344f8d07a966698fd125f175a6f500cf3e5b4580
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.claresbout.com
-
Port
587
-
Username
-
Password
^ZQXhEV0
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.claresbout.com
-
Port
587
-
Username
-
Password
^ZQXhEV0
-
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.
- 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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9899d270f0415ca5ed8efb8f344f8d07a966698fd125f175a6f500cf3e5b4580.exe"C:\Users\Admin\AppData\Local\Temp\9899d270f0415ca5ed8efb8f344f8d07a966698fd125f175a6f500cf3e5b4580.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/540-0-0x000000007471E000-0x000000007471F000-memory.dmp
memory/540-1-0x0000000000880000-0x00000000008C0000-memory.dmp
memory/540-2-0x00000000058C0000-0x0000000005E64000-memory.dmp
memory/540-3-0x0000000005410000-0x0000000005476000-memory.dmp
memory/540-4-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/540-5-0x0000000006A80000-0x0000000006AD0000-memory.dmp
memory/540-6-0x0000000006B70000-0x0000000006C0C000-memory.dmp
memory/540-7-0x0000000006CB0000-0x0000000006D42000-memory.dmp
memory/540-8-0x0000000006C20000-0x0000000006C2A000-memory.dmp
memory/540-9-0x000000007471E000-0x000000007471F000-memory.dmp
memory/540-10-0x0000000074710000-0x0000000074EC0000-memory.dmp