Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/03/2024, 01:04
General
- Target CV Mariana Alvarez.exe
- Size 645KB
- Sample240327-be3ytsbe4w
- SHA256 f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.flying-fish-cn.com
-
Port
587
-
Username
-
Password
hkk999@@@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.flying-fish-cn.com
-
Port
587
-
Username
-
Password
hkk999@@@
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
CV Mariana Alvarez.exe.log
memory/968-12-0x0000000000400000-0x0000000000440000-memory.dmp
memory/968-21-0x00000000059F0000-0x0000000005A00000-memory.dmp
memory/968-20-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/968-19-0x0000000006E90000-0x0000000006EE0000-memory.dmp
memory/968-18-0x0000000005950000-0x00000000059B6000-memory.dmp
memory/968-17-0x00000000059F0000-0x0000000005A00000-memory.dmp
memory/968-16-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/3512-10-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/3512-9-0x0000000009660000-0x00000000096FC000-memory.dmp
memory/3512-1-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/3512-11-0x0000000005950000-0x0000000005960000-memory.dmp
memory/3512-8-0x0000000007000000-0x0000000007082000-memory.dmp
memory/3512-7-0x0000000005910000-0x000000000591C000-memory.dmp
memory/3512-6-0x00000000058F0000-0x0000000005902000-memory.dmp
memory/3512-15-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/3512-5-0x0000000005690000-0x000000000569A000-memory.dmp
memory/3512-4-0x0000000005950000-0x0000000005960000-memory.dmp
memory/3512-3-0x00000000056E0000-0x0000000005772000-memory.dmp
memory/3512-2-0x0000000005BF0000-0x0000000006194000-memory.dmp
memory/3512-0-0x0000000000C20000-0x0000000000CC8000-memory.dmp