Analysis
- max time kernel
6s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
05/02/2024, 08:33
General
- Target 4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc.exe
- Size 237KB
- Sample240205-kfwetabfe3
- SHA256 4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.topcats.com
-
Port
587
-
Username
-
Password
SpurS21?
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.topcats.com
-
Port
587
-
Username
-
Password
SpurS21?
-
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.
- 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\4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc.exe"C:\Users\Admin\AppData\Local\Temp\4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/5108-1-0x0000000075250000-0x0000000075A00000-memory.dmp
memory/5108-0-0x0000000000250000-0x0000000000292000-memory.dmp
memory/5108-2-0x0000000005310000-0x00000000058B4000-memory.dmp
memory/5108-3-0x0000000004EE0000-0x0000000004EF0000-memory.dmp
memory/5108-4-0x0000000004DD0000-0x0000000004E36000-memory.dmp
memory/5108-5-0x00000000061D0000-0x0000000006220000-memory.dmp
memory/5108-6-0x00000000062C0000-0x000000000635C000-memory.dmp
memory/5108-7-0x0000000006500000-0x0000000006592000-memory.dmp
memory/5108-8-0x00000000064C0000-0x00000000064CA000-memory.dmp
memory/5108-9-0x0000000075250000-0x0000000075A00000-memory.dmp
memory/5108-10-0x0000000004EE0000-0x0000000004EF0000-memory.dmp