Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
01/06/2024, 01:50
General
- Target 166bcf42c6cfa541d514b90bc15b3b5e38a8269ee514269a8994c246771cc27a.exe
- Size 708KB
- Sample240601-b89y8sed56
- SHA256 166bcf42c6cfa541d514b90bc15b3b5e38a8269ee514269a8994c246771cc27a
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot7457440327:AAEwYXBjsCAfSfN3wEj19_YPEekMAyrUFrQ/
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.
- Looks up external IP address via web service 3 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\166bcf42c6cfa541d514b90bc15b3b5e38a8269ee514269a8994c246771cc27a.exe"C:\Users\Admin\AppData\Local\Temp\166bcf42c6cfa541d514b90bc15b3b5e38a8269ee514269a8994c246771cc27a.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\166bcf42c6cfa541d514b90bc15b3b5e38a8269ee514269a8994c246771cc27a.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\fHrXSYm.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fHrXSYm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp63BB.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\166bcf42c6cfa541d514b90bc15b3b5e38a8269ee514269a8994c246771cc27a.exe"C:\Users\Admin\AppData\Local\Temp\166bcf42c6cfa541d514b90bc15b3b5e38a8269ee514269a8994c246771cc27a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ctqs3nhz.0eb.ps1
tmp63BB.tmp
memory/372-14-0x0000000002FA0000-0x0000000002FD6000-memory.dmp
memory/372-17-0x0000000005A20000-0x0000000006048000-memory.dmp
memory/372-79-0x0000000007E20000-0x0000000007E34000-memory.dmp
memory/372-72-0x0000000007AC0000-0x0000000007B63000-memory.dmp
memory/372-51-0x0000000070FC0000-0x000000007100C000-memory.dmp
memory/372-62-0x0000000007A40000-0x0000000007A5E000-memory.dmp
memory/372-81-0x0000000007F00000-0x0000000007F08000-memory.dmp
memory/372-15-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/372-16-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/372-80-0x0000000007F20000-0x0000000007F3A000-memory.dmp
memory/372-18-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/372-50-0x0000000007A80000-0x0000000007AB2000-memory.dmp
memory/372-22-0x0000000006230000-0x0000000006296000-memory.dmp
memory/372-21-0x00000000061C0000-0x0000000006226000-memory.dmp
memory/372-20-0x00000000058E0000-0x0000000005902000-memory.dmp
memory/372-25-0x00000000062A0000-0x00000000065F4000-memory.dmp
memory/372-84-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/372-49-0x0000000006E10000-0x0000000006E5C000-memory.dmp
memory/372-48-0x0000000006890000-0x00000000068AE000-memory.dmp
memory/1688-24-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1688-76-0x00000000079E0000-0x0000000007A76000-memory.dmp
memory/1688-88-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1688-35-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1688-19-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1688-52-0x0000000070FC0000-0x000000007100C000-memory.dmp
memory/1688-78-0x0000000007990000-0x000000000799E000-memory.dmp
memory/1688-77-0x0000000007960000-0x0000000007971000-memory.dmp
memory/1688-73-0x0000000007DB0000-0x000000000842A000-memory.dmp
memory/1688-74-0x0000000007760000-0x000000000777A000-memory.dmp
memory/1688-75-0x00000000077D0000-0x00000000077DA000-memory.dmp
memory/1924-89-0x0000000007090000-0x00000000070E0000-memory.dmp
memory/1924-45-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2492-9-0x000000000A2A0000-0x000000000A33C000-memory.dmp
memory/2492-7-0x0000000005470000-0x0000000005480000-memory.dmp
memory/2492-8-0x00000000065A0000-0x0000000006624000-memory.dmp
memory/2492-6-0x0000000005250000-0x0000000005268000-memory.dmp
memory/2492-5-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2492-4-0x0000000005090000-0x000000000509A000-memory.dmp
memory/2492-3-0x0000000004FD0000-0x0000000005062000-memory.dmp
memory/2492-2-0x00000000056D0000-0x0000000005C74000-memory.dmp
memory/2492-1-0x0000000000550000-0x0000000000604000-memory.dmp
memory/2492-0-0x000000007492E000-0x000000007492F000-memory.dmp
memory/2492-47-0x0000000074920000-0x00000000750D0000-memory.dmp