Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
14/06/2024, 02:05
General
- Target 58730.exe
- Size 1.1MB
- Sample240614-cjc4ms1fkh
- SHA256 1ac7e58bde311b270cf53ca82e2b5859aa79c53665ea7607873228528d753d8d
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.naubahar.com
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Port
587
-
Username
-
Password
Hum$885+Nn
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.naubahar.com
-
Port
587
-
Username
-
Password
Hum$885+Nn
-
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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Adds Run key to start application 2 TTPs 1 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).
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\58730.exe"C:\Users\Admin\AppData\Local\Temp\58730.exe"1⤵
- Checks computer location settings
- 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\58730.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QUROYnOYVc.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\QUROYnOYVc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp660D.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\58730.exe"C:\Users\Admin\AppData\Local\Temp\58730.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_bnd23d0y.app.ps1
tmp660D.tmp
memory/1788-63-0x000000006FDD0000-0x000000006FE1C000-memory.dmp
memory/1788-15-0x0000000005950000-0x0000000005F78000-memory.dmp
memory/1788-79-0x0000000007CD0000-0x0000000007CE4000-memory.dmp
memory/1788-76-0x0000000007D10000-0x0000000007DA6000-memory.dmp
memory/1788-81-0x0000000007DB0000-0x0000000007DB8000-memory.dmp
memory/1788-20-0x00000000057D0000-0x00000000057F2000-memory.dmp
memory/1788-14-0x00000000051C0000-0x00000000051F6000-memory.dmp
memory/1788-80-0x0000000007DD0000-0x0000000007DEA000-memory.dmp
memory/1788-16-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/1788-17-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/1788-18-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/1788-88-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/1788-22-0x0000000006170000-0x00000000061D6000-memory.dmp
memory/1788-21-0x0000000005870000-0x00000000058D6000-memory.dmp
memory/2892-23-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/2892-47-0x0000000005EC0000-0x0000000005EDE000-memory.dmp
memory/2892-31-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/2892-25-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/2892-87-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/2892-24-0x0000000005820000-0x0000000005B74000-memory.dmp
memory/2892-78-0x0000000007420000-0x000000000742E000-memory.dmp
memory/2892-73-0x0000000007830000-0x0000000007EAA000-memory.dmp
memory/2892-77-0x00000000073F0000-0x0000000007401000-memory.dmp
memory/2892-48-0x0000000006180000-0x00000000061CC000-memory.dmp
memory/2892-51-0x000000006FDD0000-0x000000006FE1C000-memory.dmp
memory/2892-50-0x0000000006E70000-0x0000000006EA2000-memory.dmp
memory/2892-61-0x0000000006470000-0x000000000648E000-memory.dmp
memory/2892-62-0x0000000006EB0000-0x0000000006F53000-memory.dmp
memory/2892-75-0x0000000007260000-0x000000000726A000-memory.dmp
memory/2892-74-0x00000000071F0000-0x000000000720A000-memory.dmp
memory/2984-49-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/2984-8-0x0000000005B70000-0x0000000005B80000-memory.dmp
memory/2984-7-0x0000000005E20000-0x0000000005E3A000-memory.dmp
memory/2984-9-0x0000000007520000-0x00000000075D2000-memory.dmp
memory/2984-6-0x0000000005C80000-0x0000000005D1C000-memory.dmp
memory/2984-5-0x0000000005960000-0x000000000596A000-memory.dmp
memory/2984-4-0x0000000074F20000-0x00000000756D0000-memory.dmp
memory/2984-3-0x00000000059B0000-0x0000000005A42000-memory.dmp
memory/2984-2-0x0000000005E80000-0x0000000006424000-memory.dmp
memory/2984-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp
memory/2984-1-0x0000000000E60000-0x0000000000F70000-memory.dmp
memory/3392-39-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3392-90-0x0000000006AF0000-0x0000000006B40000-memory.dmp