Analysis
- max time kernel
30s - max time network
110s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
05/02/2024, 08:33
General
- Target 893f4dc8f8a1dcee05a0840988cf90bc93c1cda5b414f35a6adb5e9f40678ce9.exe
- Size 239KB
- Sample240205-kfwetabfe5
- SHA256 893f4dc8f8a1dcee05a0840988cf90bc93c1cda5b414f35a6adb5e9f40678ce9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.guestequipment.com.au
-
Port
587
-
Username
-
Password
Clone89!
-
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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\893f4dc8f8a1dcee05a0840988cf90bc93c1cda5b414f35a6adb5e9f40678ce9.exe"C:\Users\Admin\AppData\Local\Temp\893f4dc8f8a1dcee05a0840988cf90bc93c1cda5b414f35a6adb5e9f40678ce9.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4872-0-0x0000000000CB0000-0x0000000000CF2000-memory.dmp
memory/4872-1-0x0000000074AC0000-0x0000000075270000-memory.dmp
memory/4872-2-0x0000000005BA0000-0x0000000006144000-memory.dmp
memory/4872-3-0x0000000005830000-0x0000000005840000-memory.dmp
memory/4872-4-0x0000000005840000-0x00000000058A6000-memory.dmp
memory/4872-7-0x0000000006E60000-0x0000000006EFC000-memory.dmp
memory/4872-6-0x0000000006D70000-0x0000000006DC0000-memory.dmp
memory/4872-8-0x00000000070A0000-0x0000000007132000-memory.dmp
memory/4872-9-0x0000000007060000-0x000000000706A000-memory.dmp
memory/4872-10-0x0000000074AC0000-0x0000000075270000-memory.dmp
memory/4872-11-0x0000000005830000-0x0000000005840000-memory.dmp