Analysis
- max time kernel
135s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
07/06/2023, 09:28
General
- Target b61eefa8b1751ea5698f8b0fbed1e062a824815cf0a14776e9e0113b704236ec.exe
- Size 165KB
- Sample230607-lfbk3shd57
- SHA256 b61eefa8b1751ea5698f8b0fbed1e062a824815cf0a14776e9e0113b704236ec
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
jCXzqcP1 daniel 3116
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 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
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b61eefa8b1751ea5698f8b0fbed1e062a824815cf0a14776e9e0113b704236ec.exe"C:\Users\Admin\AppData\Local\Temp\b61eefa8b1751ea5698f8b0fbed1e062a824815cf0a14776e9e0113b704236ec.exe"1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3148-136-0x00000000006B0000-0x00000000006E0000-memory.dmp
memory/3148-137-0x0000000005730000-0x0000000005CD4000-memory.dmp
memory/3148-138-0x0000000005070000-0x00000000050D6000-memory.dmp
memory/3148-139-0x0000000005370000-0x0000000005380000-memory.dmp
memory/3148-141-0x0000000006980000-0x00000000069D0000-memory.dmp
memory/3148-142-0x0000000006BA0000-0x0000000006D62000-memory.dmp
memory/3148-143-0x0000000006A70000-0x0000000006B02000-memory.dmp
memory/3148-144-0x0000000006A10000-0x0000000006A1A000-memory.dmp
memory/3148-145-0x0000000005370000-0x0000000005380000-memory.dmp