Analysis
- max time kernel
107s - max time network
110s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
10/01/2023, 03:28
General
- Target SecuriteInfo.com.Win32.RATX-gen.6946.25536.exe
- Size 795KB
- Sample230110-d1bsksbc32
- SHA256 a60d60f79f7b0720d3af8b2b03a3c24da1f69daea30207a770a5f1f34c79464e
Malware Config
Extracted
-
Protocol
smtp
-
Host
server240.web-hosting.com
-
Port
587
-
Username
-
Password
Success4sure2day10@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
server240.web-hosting.com
-
Port
587
-
Username
-
Password
Success4sure2day10@
-
Email to
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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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.
- 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 24 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.RATX-gen.6946.25536.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.6946.25536.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
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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\TTchjC.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\TTchjC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp65D5.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.6946.25536.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.6946.25536.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
tmp65D5.tmp
memory/1780-63-0x0000000005160000-0x000000000519E000-memory.dmp
memory/1780-54-0x0000000000BE0000-0x0000000000CAE000-memory.dmp
memory/1780-58-0x00000000050B0000-0x0000000005128000-memory.dmp
memory/1780-57-0x00000000005A0000-0x00000000005AA000-memory.dmp
memory/1780-56-0x0000000000580000-0x0000000000596000-memory.dmp
memory/1780-55-0x0000000075991000-0x0000000075993000-memory.dmp
memory/1804-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1804-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1804-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1804-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1804-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1804-72-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1804-74-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1812-76-0x000000006E280000-0x000000006E82B000-memory.dmp
memory/1812-77-0x000000006E280000-0x000000006E82B000-memory.dmp