Analysis
- max time kernel
141s - max time network
140s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:38
General
- Target TRANSFER COPY...T.T USD.pif.exe
- Size 638KB
- Sample201109-gsh63j67f2
- SHA256 7c07f9bede2e4dd632d824e779849898ed943b7eb52a2abb2c3d6b6b2491b653
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
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Port
587
-
Username
-
Password
Chinedu2@
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Chinedu2@
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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- 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 6 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TRANSFER COPY...T.T USD.pif.exe"C:\Users\Admin\AppData\Local\Temp\TRANSFER COPY...T.T USD.pif.exe"1⤵
- Suspicious use of SetThreadContext
- 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\pZBsJvYxyHupJc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB4EE.tmp"2⤵
- Creates scheduled task(s)
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-
C:\Users\Admin\AppData\Local\Temp\TRANSFER COPY...T.T USD.pif.exe"C:\Users\Admin\AppData\Local\Temp\TRANSFER COPY...T.T USD.pif.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3144-2-0x0000000000400000-0x0000000000452000-memory.dmp