Analysis
- max time kernel
146s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
10/07/2023, 09:37
General
- Target 23.19002-_______.exe
- Size 724KB
- Sample230710-lljtmsae4x
- SHA256 9f8dd7a2f5e56970c9e6aa9af1c62b9d1d2ee03ca5dc33f9d6d376edd3bc0cdd
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.embon.com.ar
-
Port
587
-
Username
-
Password
Embon2018nov
-
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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\23.19002-_______.exe"C:\Users\Admin\AppData\Local\Temp\23.19002-_______.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\23.19002-_______.exe"C:\Users\Admin\AppData\Local\Temp\23.19002-_______.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\23.19002-_______.exe"C:\Users\Admin\AppData\Local\Temp\23.19002-_______.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
23.19002-_______.exe.log
memory/1816-139-0x0000000005B80000-0x0000000005B90000-memory.dmp
memory/1816-135-0x0000000005920000-0x00000000059B2000-memory.dmp
memory/1816-136-0x00000000059D0000-0x00000000059DA000-memory.dmp
memory/1816-137-0x0000000005C80000-0x0000000005D1C000-memory.dmp
memory/1816-138-0x0000000005B80000-0x0000000005B90000-memory.dmp
memory/1816-133-0x0000000000EE0000-0x0000000000F9C000-memory.dmp
memory/1816-134-0x0000000005FC0000-0x0000000006564000-memory.dmp
memory/2500-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2500-143-0x00000000058A0000-0x0000000005906000-memory.dmp
memory/2500-144-0x00000000059E0000-0x00000000059F0000-memory.dmp
memory/2500-145-0x00000000074F0000-0x0000000007540000-memory.dmp
memory/2500-146-0x0000000007710000-0x00000000078D2000-memory.dmp
memory/2500-147-0x00000000059E0000-0x00000000059F0000-memory.dmp