Analysis
- max time kernel
137s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
12/06/2023, 09:38
General
- Target 42ab2450f0d6513cd866d8a5bf33d728569ca37d8428ea4bec47f560bdfc2992.exe
- Size 165KB
- Sample230612-ll3azsbc24
- SHA256 42ab2450f0d6513cd866d8a5bf33d728569ca37d8428ea4bec47f560bdfc2992
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.exceltruea.com
-
Port
587
-
Username
-
Password
bl es si ng 2 0 2 3
-
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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\42ab2450f0d6513cd866d8a5bf33d728569ca37d8428ea4bec47f560bdfc2992.exe"C:\Users\Admin\AppData\Local\Temp\42ab2450f0d6513cd866d8a5bf33d728569ca37d8428ea4bec47f560bdfc2992.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/5052-133-0x0000000000500000-0x0000000000530000-memory.dmp
memory/5052-134-0x0000000005510000-0x0000000005AB4000-memory.dmp
memory/5052-135-0x0000000004F60000-0x0000000004FC6000-memory.dmp
memory/5052-136-0x0000000004F00000-0x0000000004F10000-memory.dmp
memory/5052-137-0x0000000006690000-0x00000000066E0000-memory.dmp
memory/5052-138-0x00000000068B0000-0x0000000006A72000-memory.dmp
memory/5052-139-0x0000000006780000-0x0000000006812000-memory.dmp
memory/5052-140-0x0000000006720000-0x000000000672A000-memory.dmp
memory/5052-141-0x0000000004F00000-0x0000000004F10000-memory.dmp