Analysis
- max time kernel
147s - max time network
111s - platform
windows10_x64 - resource
win10v200722 - submitted
14/10/2020, 13:36
General
- Target vv7iMlOE0J6BEZN.exe
- Size 810KB
- Sample201014-he9d6nwb32
- SHA256 295cd8c1062fecbaf17dd0095897fbdca561bf28616a08190a47adfb68e7c10d
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.sardaplywood.com
-
Port
587
-
Username
-
Password
je12vi345
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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\vv7iMlOE0J6BEZN.exe"C:\Users\Admin\AppData\Local\Temp\vv7iMlOE0J6BEZN.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\pNgSZgD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA20D.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\vv7iMlOE0J6BEZN.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/292-9-0x0000000009FB0000-0x000000000A020000-memory.dmp
memory/292-4-0x0000000004F90000-0x0000000004F91000-memory.dmp
memory/292-5-0x0000000004F70000-0x0000000004F71000-memory.dmp
memory/292-6-0x0000000005220000-0x0000000005224000-memory.dmp
memory/292-7-0x0000000007560000-0x0000000007561000-memory.dmp
memory/292-8-0x0000000007700000-0x0000000007777000-memory.dmp
memory/292-0-0x0000000073670000-0x0000000073D5E000-memory.dmp
memory/292-1-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/292-3-0x00000000053B0000-0x00000000053B1000-memory.dmp
memory/1900-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1900-15-0x0000000073670000-0x0000000073D5E000-memory.dmp
memory/1900-20-0x00000000059E0000-0x00000000059E1000-memory.dmp
memory/1900-21-0x0000000006560000-0x0000000006561000-memory.dmp