Analysis
- max time kernel
123s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 13:25
General
- Target SOA.exe
- Size 624KB
- Sample210331-wmw58wrh7x
- SHA256 3a59c88eb66362eb3494d88a7dc008e0124c82e985bf1e241ae54d8b6d006a4f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
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Username
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Password
Bible@22
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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.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\DLJhcBl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC46F.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\SOA.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3036-25-0x0000000006080000-0x0000000006081000-memory.dmp
memory/3036-24-0x0000000005FE0000-0x0000000005FE1000-memory.dmp
memory/3036-23-0x00000000055C0000-0x00000000055C1000-memory.dmp
memory/3036-18-0x0000000073CE0000-0x00000000743CE000-memory.dmp
memory/3036-15-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4704-7-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
memory/4704-12-0x00000000083C0000-0x0000000008427000-memory.dmp
memory/4704-11-0x0000000008450000-0x00000000084FB000-memory.dmp
memory/4704-10-0x0000000008160000-0x0000000008161000-memory.dmp
memory/4704-9-0x0000000004F40000-0x0000000004F45000-memory.dmp
memory/4704-8-0x0000000004D60000-0x0000000004D61000-memory.dmp
memory/4704-2-0x0000000073CE0000-0x00000000743CE000-memory.dmp
memory/4704-6-0x0000000004B20000-0x0000000004B21000-memory.dmp
memory/4704-5-0x00000000050F0000-0x00000000050F1000-memory.dmp
memory/4704-3-0x0000000000240000-0x0000000000241000-memory.dmp