Analysis
- max time kernel
168s - max time network
193s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
05/04/2023, 15:02
General
- Target 366a6d6e0aed96880c3589d33f5ee493ddfcc1f93cbe61e02b43867fa74f73b7.exe
- Size 580KB
- Sample230405-seflzafd94
- SHA256 366a6d6e0aed96880c3589d33f5ee493ddfcc1f93cbe61e02b43867fa74f73b7
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.bosphoreqroup.com
-
Port
587
-
Username
-
Password
password2023##
-
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 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\366a6d6e0aed96880c3589d33f5ee493ddfcc1f93cbe61e02b43867fa74f73b7.exe"C:\Users\Admin\AppData\Local\Temp\366a6d6e0aed96880c3589d33f5ee493ddfcc1f93cbe61e02b43867fa74f73b7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\366a6d6e0aed96880c3589d33f5ee493ddfcc1f93cbe61e02b43867fa74f73b7.exe"{path}"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/624-133-0x0000000000040000-0x00000000000D8000-memory.dmp
memory/624-134-0x0000000004A70000-0x0000000004B0C000-memory.dmp
memory/624-135-0x00000000050C0000-0x0000000005664000-memory.dmp
memory/624-136-0x0000000004BB0000-0x0000000004C42000-memory.dmp
memory/624-137-0x0000000004D30000-0x0000000004D40000-memory.dmp
memory/624-138-0x0000000004B30000-0x0000000004B3A000-memory.dmp
memory/624-139-0x0000000004C50000-0x0000000004CA6000-memory.dmp
memory/624-140-0x0000000004D30000-0x0000000004D40000-memory.dmp
memory/2736-141-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2736-143-0x00000000054C0000-0x0000000005526000-memory.dmp
memory/2736-144-0x00000000052E0000-0x00000000052F0000-memory.dmp
memory/2736-145-0x0000000007120000-0x0000000007170000-memory.dmp
memory/2736-146-0x0000000007340000-0x0000000007502000-memory.dmp
memory/2736-147-0x00000000052E0000-0x00000000052F0000-memory.dmp