Analysis
- max time kernel
94s - max time network
66s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
27/10/2022, 13:19
General
- Target SecuriteInfo.com.Win32.PWSX-gen.32752.8998.exe
- Size 624KB
- Sample221027-qkhbmsccb6
- SHA256 1038c10cdf14d50b7bf14e8d6b0c2eb9c8849837ff19ac03e79ad16ffc2c2143
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.32752.8998.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.32752.8998.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dWFewQODhQwDpU.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dWFewQODhQwDpU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC044.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.32752.8998.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.32752.8998.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
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Downloads
tmpC044.tmp
memory/984-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/984-74-0x0000000000400000-0x000000000043C000-memory.dmp
memory/984-72-0x0000000000400000-0x000000000043C000-memory.dmp
memory/984-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/984-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/984-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/984-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1336-58-0x0000000005CF0000-0x0000000005D68000-memory.dmp
memory/1336-63-0x00000000020C0000-0x00000000020FE000-memory.dmp
memory/1336-54-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/1336-57-0x0000000000500000-0x000000000050C000-memory.dmp
memory/1336-56-0x00000000004A0000-0x00000000004B8000-memory.dmp
memory/1336-55-0x00000000762D1000-0x00000000762D3000-memory.dmp
memory/1868-76-0x000000006E8E0000-0x000000006EE8B000-memory.dmp
memory/1868-77-0x000000006E8E0000-0x000000006EE8B000-memory.dmp