Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
12/06/2024, 02:20
General
- Target d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe
- Size 1.1MB
- Sample240612-csmdnsyeqe
- SHA256 d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.electromedica.com
-
Port
587
-
Username
-
Password
2018A723?v
-
Email to
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 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
- 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 use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe"C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe"2⤵
- 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/1572-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1572-12-0x000000007503E000-0x000000007503F000-memory.dmp
memory/1572-13-0x0000000005AC0000-0x0000000006064000-memory.dmp
memory/1572-14-0x0000000005700000-0x0000000005766000-memory.dmp
memory/1572-15-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/1572-17-0x0000000006D90000-0x0000000006DE0000-memory.dmp
memory/1572-18-0x0000000006E80000-0x0000000006F12000-memory.dmp
memory/1572-19-0x0000000006E00000-0x0000000006E0A000-memory.dmp
memory/1572-20-0x000000007503E000-0x000000007503F000-memory.dmp
memory/1572-21-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/2388-10-0x0000000000D50000-0x0000000000D54000-memory.dmp