Analysis
- max time kernel
145s - max time network
91s - platform
windows10_x64 - resource
win10v200722 - submitted
08/08/2020, 08:42
General
- Target PORTFOLIO.exe
- Size 590KB
- Sample200808-gfh6eja8ps
- SHA256 038e01d9ad87f69fbf3caf7bde273bb1e6ba2c5445097ff9e0e59c077268a43a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
bubuyaya007
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\PORTFOLIO.exe"C:\Users\Admin\AppData\Local\Temp\PORTFOLIO.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\CigEYbr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4982.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\PORTFOLIO.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/424-9-0x000000000B250000-0x000000000B2A5000-memory.dmp
memory/424-1-0x0000000000570000-0x0000000000571000-memory.dmp
memory/424-5-0x0000000004E40000-0x0000000004E41000-memory.dmp
memory/424-6-0x0000000008410000-0x0000000008411000-memory.dmp
memory/424-7-0x0000000005090000-0x0000000005098000-memory.dmp
memory/424-8-0x0000000008870000-0x00000000088D9000-memory.dmp
memory/424-0-0x0000000073A60000-0x000000007414E000-memory.dmp
memory/424-4-0x0000000004ED0000-0x0000000004ED1000-memory.dmp
memory/424-3-0x00000000053D0000-0x00000000053D1000-memory.dmp
memory/3276-12-0x0000000000400000-0x000000000045A000-memory.dmp
memory/3276-15-0x0000000073A60000-0x000000007414E000-memory.dmp
memory/3276-20-0x00000000057F0000-0x00000000057F1000-memory.dmp
memory/3276-21-0x00000000062D0000-0x00000000062D1000-memory.dmp