Analysis
- max time kernel
141s - max time network
146s - platform
windows10_x64 - resource
win10 - submitted
24/06/2020, 15:09
General
- Target Invoice.exe
- Size 453KB
- Sample200624-j6vxagg56j
- SHA256 9a8b8637efdf8fba694ebc68f190c3d6299fe5142c87304394f70b76dd61ac64
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
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Host
smtp.privateemail.com
-
Port
587
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Username
-
Password
coronavirus2020
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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mOIJnbqU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp75B7.tmp"2⤵
- Creates scheduled task(s)
-