Analysis
- max time kernel
141s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
- submitted
27/11/2023, 09:20
General
- Target 077b528e881534f05539bcdd9c50d13f6dfcc8fb4690dbfcdafa0ad614d059e8.exe
- Size 236KB
- Sample231127-larecaff22
- SHA256 077b528e881534f05539bcdd9c50d13f6dfcc8fb4690dbfcdafa0ad614d059e8
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.amtechcards.com
-
Port
587
-
Username
-
Password
]i[a(tUWlmp%
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.amtechcards.com
-
Port
587
-
Username
-
Password
]i[a(tUWlmp%
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Adds Run key to start application 2 TTPs 1 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
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\077b528e881534f05539bcdd9c50d13f6dfcc8fb4690dbfcdafa0ad614d059e8.exe"C:\Users\Admin\AppData\Local\Temp\077b528e881534f05539bcdd9c50d13f6dfcc8fb4690dbfcdafa0ad614d059e8.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4408-0-0x0000000000B60000-0x0000000000BA2000-memory.dmp
memory/4408-1-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/4408-2-0x00000000059E0000-0x0000000005F84000-memory.dmp
memory/4408-4-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/4408-3-0x00000000055D0000-0x0000000005636000-memory.dmp
memory/4408-6-0x0000000006C30000-0x0000000006C80000-memory.dmp
memory/4408-7-0x0000000006D20000-0x0000000006DBC000-memory.dmp
memory/4408-8-0x0000000006E60000-0x0000000006EF2000-memory.dmp
memory/4408-9-0x0000000006DE0000-0x0000000006DEA000-memory.dmp
memory/4408-10-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/4408-11-0x00000000054C0000-0x00000000054D0000-memory.dmp