Analysis
- max time kernel
103s - max time network
75s - platform
windows10_x64 - resource
win10v200722 - submitted
14/08/2020, 06:11
General
- Target RFQ 2046573 SNVI Group.exe
- Size 5.8MB
- Sample200814-jd8jmmfmcx
- SHA256 94bb69e726461f198145fac175e2e27ccc72534ae29db90cfaef683e726adec2
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.nsmelectronics.com
-
Port
587
-
Username
-
Password
Bsuagwu@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 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\RFQ 2046573 SNVI Group.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 2046573 SNVI Group.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3812-16-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
memory/3812-8-0x0000000000400000-0x000000000045C000-memory.dmp
memory/3812-12-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/3812-17-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
memory/3812-18-0x0000000005A70000-0x0000000005A71000-memory.dmp
memory/3812-20-0x0000000005DC0000-0x0000000005DC1000-memory.dmp
memory/3908-5-0x0000000006400000-0x0000000006401000-memory.dmp
memory/3908-6-0x0000000005FF0000-0x0000000005FF1000-memory.dmp
memory/3908-7-0x0000000005C50000-0x0000000005C53000-memory.dmp
memory/3908-3-0x0000000002DE0000-0x0000000002DFC000-memory.dmp
memory/3908-1-0x0000000000690000-0x0000000000691000-memory.dmp
memory/3908-0-0x0000000073FF0000-0x00000000746DE000-memory.dmp