Analysis
- max time kernel
135s - max time network
104s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
07/06/2024, 02:41
General
- Target bf9495aac3fee67776e0dd5f34d4962341e1f3179640390c2ebe91e2f3341c09.exe
- Size 619KB
- Sample240607-c6mxcsgc7s
- SHA256 bf9495aac3fee67776e0dd5f34d4962341e1f3179640390c2ebe91e2f3341c09
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.normagroup.com.tr
-
Port
21
-
Username
-
Password
ab+LNvim5PAo
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables packed with or use KoiVM 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bf9495aac3fee67776e0dd5f34d4962341e1f3179640390c2ebe91e2f3341c09.exe"C:\Users\Admin\AppData\Local\Temp\bf9495aac3fee67776e0dd5f34d4962341e1f3179640390c2ebe91e2f3341c09.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1540-10-0x00000000068E0000-0x0000000006930000-memory.dmp
memory/1540-14-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/1540-13-0x00000000744EE000-0x00000000744EF000-memory.dmp
memory/1540-12-0x0000000006BA0000-0x0000000006BAA000-memory.dmp
memory/1540-4-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1540-5-0x00000000744EE000-0x00000000744EF000-memory.dmp
memory/1540-6-0x0000000005EC0000-0x0000000006464000-memory.dmp
memory/1540-7-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/1540-8-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/1540-11-0x00000000069D0000-0x0000000006A62000-memory.dmp
memory/5064-3-0x0000019DFCA00000-0x0000019DFCA92000-memory.dmp
memory/5064-9-0x00007FFCCB8F0000-0x00007FFCCC3B1000-memory.dmp
memory/5064-1-0x0000019DF9730000-0x0000019DF9740000-memory.dmp
memory/5064-2-0x00007FFCCB8F0000-0x00007FFCCC3B1000-memory.dmp
memory/5064-0-0x00007FFCCB8F3000-0x00007FFCCB8F5000-memory.dmp