Analysis
- max time kernel
117s - max time network
119s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
21/05/2024, 01:49
General
- Target 431d88693bfa9779b1ee70c50c74ef961ae9a96d1fb50f6e2bc203a3bd2852ee.exe
- Size 797KB
- Sample240521-b86a2sec87
- SHA256 431d88693bfa9779b1ee70c50c74ef961ae9a96d1fb50f6e2bc203a3bd2852ee
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
premium162.web-hosting.com
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Port
587
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Username
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Password
Look@oursuccess247
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- Looks up external IP address via web service 1 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).
- 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 23 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\431d88693bfa9779b1ee70c50c74ef961ae9a96d1fb50f6e2bc203a3bd2852ee.exe"C:\Users\Admin\AppData\Local\Temp\431d88693bfa9779b1ee70c50c74ef961ae9a96d1fb50f6e2bc203a3bd2852ee.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\Local\Temp\431d88693bfa9779b1ee70c50c74ef961ae9a96d1fb50f6e2bc203a3bd2852ee.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\qDfIBEcYE.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qDfIBEcYE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDF9.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\431d88693bfa9779b1ee70c50c74ef961ae9a96d1fb50f6e2bc203a3bd2852ee.exe"C:\Users\Admin\AppData\Local\Temp\431d88693bfa9779b1ee70c50c74ef961ae9a96d1fb50f6e2bc203a3bd2852ee.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmpCDF9.tmp
d93f411851d7c929.customDestinations-ms
memory/1356-32-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1356-20-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1356-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1356-24-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1356-26-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1356-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1356-30-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1356-29-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2204-7-0x0000000074B1E000-0x0000000074B1F000-memory.dmp
memory/2204-1-0x00000000012A0000-0x000000000136A000-memory.dmp
memory/2204-2-0x0000000074B10000-0x00000000751FE000-memory.dmp
memory/2204-8-0x0000000074B10000-0x00000000751FE000-memory.dmp
memory/2204-3-0x0000000000A40000-0x0000000000A62000-memory.dmp
memory/2204-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp
memory/2204-33-0x0000000074B10000-0x00000000751FE000-memory.dmp
memory/2204-6-0x0000000005D80000-0x0000000005E04000-memory.dmp
memory/2204-5-0x00000000007E0000-0x00000000007F0000-memory.dmp
memory/2204-4-0x00000000008F0000-0x00000000008FC000-memory.dmp