Analysis
- max time kernel
145s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
23/12/2022, 04:30
General
- Target 130f464adec25dc15eb26056f5221a82.exe
- Size 999KB
- Sample221223-e4vwasba4s
- SHA256 cf85db51ca588dccbb60fb064b3e46f650a7596a53272b08d377f70620c2472f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
server323.web-hosting.com
-
Port
587
-
Username
-
Password
turkey@123
-
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 use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\130f464adec25dc15eb26056f5221a82.exe"C:\Users\Admin\AppData\Local\Temp\130f464adec25dc15eb26056f5221a82.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\130f464adec25dc15eb26056f5221a82.exe"C:\Users\Admin\AppData\Local\Temp\130f464adec25dc15eb26056f5221a82.exe"2⤵
- 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/3732-138-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3732-139-0x0000000005C70000-0x0000000005CD6000-memory.dmp
memory/3732-140-0x0000000006E90000-0x0000000006EE0000-memory.dmp
memory/4896-132-0x0000000000020000-0x0000000000120000-memory.dmp
memory/4896-133-0x0000000004F30000-0x00000000054D4000-memory.dmp
memory/4896-134-0x0000000004A20000-0x0000000004AB2000-memory.dmp
memory/4896-135-0x0000000004990000-0x000000000499A000-memory.dmp
memory/4896-136-0x00000000070D0000-0x000000000716C000-memory.dmp