Analysis
- max time kernel
135s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
17/01/2024, 16:21
General
- Target SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.26435.17300.exe
- Size 678KB
- Sample240117-ttmt9sbbb4
- SHA256 135a046874c7621664f5259d83120e71c426fb40d54104a27a6fd25cb5d2f9c9
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
xySnlUr9
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
xySnlUr9
-
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 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 7 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\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.26435.17300.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.26435.17300.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.26435.17300.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.26435.17300.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.26435.17300.exe.log
memory/2748-4-0x0000000004EA0000-0x0000000004EB0000-memory.dmp
memory/2748-15-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/2748-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp
memory/2748-1-0x00000000004A0000-0x0000000000550000-memory.dmp
memory/2748-5-0x0000000005230000-0x000000000523A000-memory.dmp
memory/2748-6-0x0000000006840000-0x0000000006860000-memory.dmp
memory/2748-7-0x0000000008E00000-0x0000000008E0A000-memory.dmp
memory/2748-8-0x00000000060F0000-0x00000000060FE000-memory.dmp
memory/2748-2-0x0000000005440000-0x00000000059E4000-memory.dmp
memory/2748-9-0x0000000006390000-0x000000000640C000-memory.dmp
memory/2748-10-0x000000000F920000-0x000000000F9BC000-memory.dmp
memory/2748-0-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/4752-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4752-16-0x0000000005000000-0x0000000005066000-memory.dmp
memory/4752-14-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/4752-19-0x0000000006650000-0x00000000066A0000-memory.dmp
memory/4752-20-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/4752-21-0x0000000005110000-0x0000000005120000-memory.dmp