Analysis
- max time kernel
141s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
08/08/2023, 13:08
General
- Target 3cc80694f8b6d4f2bbb60d35edb95fc94630d2082a8969128f30c8a5e89dbe98.exe
- Size 164KB
- Sample230808-qc774acf49
- SHA256 3cc80694f8b6d4f2bbb60d35edb95fc94630d2082a8969128f30c8a5e89dbe98
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.mercamaq.com.br
-
Port
587
-
Username
-
Password
!#Merc354
-
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.
- 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 AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3cc80694f8b6d4f2bbb60d35edb95fc94630d2082a8969128f30c8a5e89dbe98.exe"C:\Users\Admin\AppData\Local\Temp\3cc80694f8b6d4f2bbb60d35edb95fc94630d2082a8969128f30c8a5e89dbe98.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3728-133-0x00000000009C0000-0x00000000009F0000-memory.dmp
memory/3728-134-0x0000000075300000-0x0000000075AB0000-memory.dmp
memory/3728-135-0x00000000057C0000-0x0000000005D64000-memory.dmp
memory/3728-136-0x0000000005270000-0x0000000005280000-memory.dmp
memory/3728-137-0x00000000052F0000-0x0000000005356000-memory.dmp
memory/3728-138-0x0000000006BA0000-0x0000000006C32000-memory.dmp
memory/3728-139-0x0000000006DA0000-0x0000000006DAA000-memory.dmp
memory/3728-140-0x0000000006E10000-0x0000000006E60000-memory.dmp
memory/3728-141-0x0000000007120000-0x00000000072E2000-memory.dmp
memory/3728-142-0x0000000075300000-0x0000000075AB0000-memory.dmp
memory/3728-143-0x0000000005270000-0x0000000005280000-memory.dmp