Analysis
- max time kernel
122s - max time network
117s - platform
windows10_x64 - resource
win10 - submitted
08/07/2020, 06:43
General
- Target 6eb4eeee101b0230bac33f6bb70758f7.exe
- Size 707KB
- Sample200708-dwftlqscta
- SHA256 70706e21df2777c92d5a20bf792b88d3152b05fab743d881b3a3311291da6f62
Malware Config
Extracted
-
Protocol
smtp
-
Host
dutchlogs.us
-
Port
587
-
Username
-
Password
7213575aceACE@#$%
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
dutchlogs.us
-
Port
587
-
Username
-
Password
7213575aceACE@#$%
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6eb4eeee101b0230bac33f6bb70758f7.exe"C:\Users\Admin\AppData\Local\Temp\6eb4eeee101b0230bac33f6bb70758f7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\6eb4eeee101b0230bac33f6bb70758f7.exe"C:\Users\Admin\AppData\Local\Temp\6eb4eeee101b0230bac33f6bb70758f7.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3884-0-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3884-2-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3884-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3884-4-0x0000000002240000-0x000000000228C000-memory.dmp
memory/3884-5-0x0000000000622000-0x0000000000623000-memory.dmp