Analysis
- max time kernel
131s - max time network
129s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
24/11/2022, 04:35
General
- Target SecuriteInfo.com.Win32.PWSX-gen.18370.27938.exe
- Size 718KB
- Sample221124-e7nw6ahe56
- SHA256 bbbaabfbbaff1be76997a22ce42b0bba54f1c9579a12c485157d4d1606cc99d9
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.alonsorojasmudanzasnacionales.com
-
Port
21
-
Username
-
Password
SWIrh1JT66[P
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.alonsorojasmudanzasnacionales.com/
-
Port
21
-
Username
-
Password
SWIrh1JT66[P
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18370.27938.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18370.27938.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18370.27938.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18370.27938.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18370.27938.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/660-70-0x0000000000400000-0x000000000043A000-memory.dmp
memory/660-72-0x0000000000400000-0x000000000043A000-memory.dmp
memory/660-63-0x0000000000400000-0x000000000043A000-memory.dmp
memory/660-67-0x0000000000400000-0x000000000043A000-memory.dmp
memory/660-65-0x0000000000400000-0x000000000043A000-memory.dmp
memory/660-66-0x0000000000400000-0x000000000043A000-memory.dmp
memory/660-62-0x0000000000400000-0x000000000043A000-memory.dmp
memory/784-55-0x0000000075FC1000-0x0000000075FC3000-memory.dmp
memory/784-61-0x0000000005030000-0x000000000506A000-memory.dmp
memory/784-58-0x0000000004770000-0x00000000047E4000-memory.dmp
memory/784-54-0x0000000000850000-0x000000000090A000-memory.dmp
memory/784-57-0x0000000000580000-0x000000000058C000-memory.dmp
memory/784-56-0x00000000005A0000-0x00000000005B8000-memory.dmp
memory/936-74-0x000000006EE20000-0x000000006F3CB000-memory.dmp
memory/936-75-0x000000006EE20000-0x000000006F3CB000-memory.dmp
memory/936-76-0x000000006EE20000-0x000000006F3CB000-memory.dmp