Analysis
- max time kernel
112s - max time network
119s - platform
windows10_x64 - resource
win10 - submitted
18/08/2020, 19:28
General
- Target 60,400.00 usd Outstanding Invoice.exe
- Size 638KB
- Sample200818-hp7d17ma66
- SHA256 b4ebfd103993464897b2a45938edb01fec2e897cf8c46500b0b6264a57928f9c
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Everest10
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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.
- Suspicious use of SetThreadContext 1 IoCs
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\60,400.00 usd Outstanding Invoice.exe"C:\Users\Admin\AppData\Local\Temp\60,400.00 usd Outstanding Invoice.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\iButqRPpyX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC500.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\60,400.00 usd Outstanding Invoice.exe"C:\Users\Admin\AppData\Local\Temp\60,400.00 usd Outstanding Invoice.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/3012-9-0x0000000005D70000-0x0000000005DEF000-memory.dmp
memory/3012-10-0x0000000005DF0000-0x0000000005E47000-memory.dmp
memory/3012-5-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
memory/3012-6-0x0000000002A60000-0x0000000002A61000-memory.dmp
memory/3012-7-0x00000000051F0000-0x00000000051F1000-memory.dmp
memory/3012-8-0x0000000002AC0000-0x0000000002AC3000-memory.dmp
memory/3012-0-0x0000000073AE0000-0x00000000741CE000-memory.dmp
memory/3012-4-0x00000000055F0000-0x00000000055F1000-memory.dmp
memory/3012-1-0x0000000000600000-0x0000000000601000-memory.dmp
memory/3012-3-0x0000000004F20000-0x0000000004F21000-memory.dmp
memory/3992-13-0x0000000000400000-0x000000000044C000-memory.dmp
memory/3992-16-0x0000000073AE0000-0x00000000741CE000-memory.dmp
memory/3992-21-0x0000000005800000-0x0000000005801000-memory.dmp
memory/3992-22-0x00000000060E0000-0x00000000060E1000-memory.dmp