Analysis
- max time kernel
60s - max time network
115s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
08/03/2023, 16:58
General
- Target PO-3-07-23.exe
- Size 901KB
- Sample230308-vgtbysfa5t
- SHA256 c0cbab8b9504e2575456d0f902b264123362665031999a3f780c2a5c2f0b9512
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.coldiab.cl
-
Port
587
-
Username
-
Password
C0ldi4b2021npsw.
-
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\PO-3-07-23.exe"C:\Users\Admin\AppData\Local\Temp\PO-3-07-23.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO-3-07-23.exe"C:\Users\Admin\AppData\Local\Temp\PO-3-07-23.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
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Downloads
memory/1112-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1112-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1112-89-0x0000000004DC0000-0x0000000004E00000-memory.dmp
memory/1112-71-0x0000000004DC0000-0x0000000004E00000-memory.dmp
memory/1112-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1112-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1112-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1112-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1112-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1112-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1728-55-0x0000000004CD0000-0x0000000004D10000-memory.dmp
memory/1728-60-0x0000000004190000-0x00000000041C2000-memory.dmp
memory/1728-54-0x00000000001A0000-0x0000000000288000-memory.dmp
memory/1728-59-0x0000000007F40000-0x0000000007FEA000-memory.dmp
memory/1728-58-0x00000000004F0000-0x00000000004FC000-memory.dmp
memory/1728-57-0x0000000004CD0000-0x0000000004D10000-memory.dmp
memory/1728-56-0x0000000000490000-0x00000000004A4000-memory.dmp