Analysis
- max time kernel
88s - max time network
60s - platform
windows7_x64 - resource
win7-20220812-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 9 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/916-64-0x0000000000400000-0x000000000042E000-memory.dmp
memory/916-65-0x0000000000400000-0x000000000042E000-memory.dmp
memory/916-70-0x0000000000400000-0x000000000042E000-memory.dmp
memory/916-61-0x0000000000400000-0x000000000042E000-memory.dmp
memory/916-60-0x0000000000400000-0x000000000042E000-memory.dmp
memory/916-63-0x0000000000400000-0x000000000042E000-memory.dmp
memory/916-68-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1576-55-0x0000000075B11000-0x0000000075B13000-memory.dmp
memory/1576-54-0x0000000000D80000-0x0000000000E80000-memory.dmp
memory/1576-59-0x00000000006E0000-0x000000000070E000-memory.dmp
memory/1576-58-0x0000000005150000-0x00000000051BA000-memory.dmp
memory/1576-57-0x0000000000390000-0x000000000039A000-memory.dmp
memory/1576-56-0x0000000000320000-0x0000000000330000-memory.dmp