Analysis
- max time kernel
70s - max time network
72s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
03/04/2023, 13:12
General
- Target aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe
- Size 728KB
- Sample230403-qfhfvaeh93
- SHA256 aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
ifeanyi@12
-
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
- 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 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\aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe"C:\Users\Admin\AppData\Local\Temp\aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe"C:\Users\Admin\AppData\Local\Temp\aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/860-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/860-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/860-95-0x0000000004ED0000-0x0000000004F10000-memory.dmp
memory/860-71-0x0000000004ED0000-0x0000000004F10000-memory.dmp
memory/860-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/860-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/860-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/860-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/860-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/860-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1196-55-0x0000000004960000-0x00000000049A0000-memory.dmp
memory/1196-60-0x00000000005A0000-0x00000000005D2000-memory.dmp
memory/1196-54-0x0000000001390000-0x000000000144C000-memory.dmp
memory/1196-59-0x0000000005710000-0x00000000057BA000-memory.dmp
memory/1196-58-0x0000000000370000-0x000000000037C000-memory.dmp
memory/1196-57-0x0000000004960000-0x00000000049A0000-memory.dmp
memory/1196-56-0x0000000000350000-0x0000000000364000-memory.dmp