Analysis
- max time kernel
147s - max time network
145s - platform
windows10_x64 - resource
win10v20201028 - submitted
25/01/2021, 16:01
General
- Target file.exe
- Size 985KB
- Sample210125-bs8eaprh3a
- SHA256 3728b436ce177b5153e4b5a673d79f2dbf2e377960e35fea9db40bae8ec04618
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
barclays247.com
-
Port
587
-
Username
-
Password
Du_&#[]2y&k*
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- 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.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3564-7-0x0000000004C30000-0x0000000004C31000-memory.dmp
memory/3564-3-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/3564-6-0x0000000005130000-0x0000000005131000-memory.dmp
memory/3564-2-0x0000000073920000-0x000000007400E000-memory.dmp
memory/3564-8-0x0000000004D00000-0x0000000004D01000-memory.dmp
memory/3564-9-0x0000000004DB0000-0x0000000004DB1000-memory.dmp
memory/3564-5-0x0000000002740000-0x0000000002741000-memory.dmp
memory/3564-10-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
memory/3564-12-0x00000000059C0000-0x0000000005A36000-memory.dmp
memory/3564-11-0x0000000004D40000-0x0000000004D63000-memory.dmp
memory/3844-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3844-16-0x0000000073920000-0x000000007400E000-memory.dmp
memory/3844-21-0x0000000005410000-0x0000000005411000-memory.dmp
memory/3844-22-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/3844-23-0x0000000005FC0000-0x0000000005FC1000-memory.dmp