Analysis
- max time kernel
141s - max time network
111s - platform
windows10_x64 - resource
win10v200722 - submitted
14/10/2020, 10:08
General
- Target dba3e5d25a080480e268beba3df6ee83e6317b010c5f79f59f857fc5714bf3f9.exe
- Size 752KB
- Sample201014-vpw8t9z6cj
- SHA256 dba3e5d25a080480e268beba3df6ee83e6317b010c5f79f59f857fc5714bf3f9
Malware Config
Extracted
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agenttesla
-
Protocol
smtp
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Host
smtp.yandex.ru
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Port
587
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Username
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Password
blessing300
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.
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\dba3e5d25a080480e268beba3df6ee83e6317b010c5f79f59f857fc5714bf3f9.exe"C:\Users\Admin\AppData\Local\Temp\dba3e5d25a080480e268beba3df6ee83e6317b010c5f79f59f857fc5714bf3f9.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\FFTKmNjtEzHWsx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp14B2.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\dba3e5d25a080480e268beba3df6ee83e6317b010c5f79f59f857fc5714bf3f9.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\dba3e5d25a080480e268beba3df6ee83e6317b010c5f79f59f857fc5714bf3f9.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\dba3e5d25a080480e268beba3df6ee83e6317b010c5f79f59f857fc5714bf3f9.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2080-9-0x000000000ACF0000-0x000000000AD5D000-memory.dmp
memory/2080-3-0x0000000005460000-0x0000000005461000-memory.dmp
memory/2080-6-0x0000000005440000-0x0000000005444000-memory.dmp
memory/2080-7-0x00000000073C0000-0x00000000073C1000-memory.dmp
memory/2080-8-0x0000000007460000-0x00000000074D3000-memory.dmp
memory/2080-0-0x0000000073FB0000-0x000000007469E000-memory.dmp
memory/2080-4-0x0000000004E00000-0x0000000004E01000-memory.dmp
memory/2080-5-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
memory/2080-1-0x00000000004F0000-0x00000000004F1000-memory.dmp
memory/2696-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2696-15-0x0000000073FB0000-0x000000007469E000-memory.dmp
memory/2696-20-0x00000000056E0000-0x00000000056E1000-memory.dmp
memory/2696-21-0x0000000006240000-0x0000000006241000-memory.dmp