Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
08/06/2024, 01:04
General
- Target 0a16d27a04f0b259f13fd25b90d1ff21284ff21b8304aab792bf56db34a16b4d.exe
- Size 688KB
- Sample240608-beyn4sfg47
- SHA256 0a16d27a04f0b259f13fd25b90d1ff21284ff21b8304aab792bf56db34a16b4d
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot7313861713:AAFPFxCtUrIPoHDU6Z1T9ihSwEvegDlhlBo/
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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0a16d27a04f0b259f13fd25b90d1ff21284ff21b8304aab792bf56db34a16b4d.exe"C:\Users\Admin\AppData\Local\Temp\0a16d27a04f0b259f13fd25b90d1ff21284ff21b8304aab792bf56db34a16b4d.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\0a16d27a04f0b259f13fd25b90d1ff21284ff21b8304aab792bf56db34a16b4d.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\cWURKukwKkOx.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\cWURKukwKkOx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp62F0.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\0a16d27a04f0b259f13fd25b90d1ff21284ff21b8304aab792bf56db34a16b4d.exe"C:\Users\Admin\AppData\Local\Temp\0a16d27a04f0b259f13fd25b90d1ff21284ff21b8304aab792bf56db34a16b4d.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\0a16d27a04f0b259f13fd25b90d1ff21284ff21b8304aab792bf56db34a16b4d.exe"C:\Users\Admin\AppData\Local\Temp\0a16d27a04f0b259f13fd25b90d1ff21284ff21b8304aab792bf56db34a16b4d.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
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_joxo4kvv.nsw.ps1
tmp62F0.tmp
memory/2640-16-0x0000000074D20000-0x00000000754D0000-memory.dmp
memory/2640-75-0x0000000007360000-0x00000000073F6000-memory.dmp
memory/2640-48-0x0000000006080000-0x00000000060CC000-memory.dmp
memory/2640-86-0x0000000074D20000-0x00000000754D0000-memory.dmp
memory/2640-77-0x0000000007310000-0x000000000731E000-memory.dmp
memory/2640-76-0x00000000072E0000-0x00000000072F1000-memory.dmp
memory/2640-14-0x00000000024B0000-0x00000000024E6000-memory.dmp
memory/2640-74-0x0000000007150000-0x000000000715A000-memory.dmp
memory/2640-15-0x0000000005190000-0x00000000057B8000-memory.dmp
memory/2640-17-0x0000000074D20000-0x00000000754D0000-memory.dmp
memory/2640-18-0x0000000004DE0000-0x0000000004E02000-memory.dmp
memory/2640-72-0x0000000007730000-0x0000000007DAA000-memory.dmp
memory/2640-20-0x0000000005120000-0x0000000005186000-memory.dmp
memory/2640-19-0x0000000005000000-0x0000000005066000-memory.dmp
memory/2640-37-0x00000000057C0000-0x0000000005B14000-memory.dmp
memory/2640-73-0x00000000070E0000-0x00000000070FA000-memory.dmp
memory/2640-50-0x0000000075580000-0x00000000755CC000-memory.dmp
memory/2640-61-0x0000000006FE0000-0x0000000007083000-memory.dmp
memory/2640-60-0x0000000006380000-0x000000000639E000-memory.dmp
memory/2640-49-0x0000000006FA0000-0x0000000006FD2000-memory.dmp
memory/2640-47-0x0000000005DA0000-0x0000000005DBE000-memory.dmp
memory/3132-22-0x0000000074D20000-0x00000000754D0000-memory.dmp
memory/3132-87-0x0000000074D20000-0x00000000754D0000-memory.dmp
memory/3132-78-0x00000000070F0000-0x0000000007104000-memory.dmp
memory/3132-80-0x00000000071D0000-0x00000000071D8000-memory.dmp
memory/3132-43-0x0000000074D20000-0x00000000754D0000-memory.dmp
memory/3132-79-0x00000000071F0000-0x000000000720A000-memory.dmp
memory/3132-62-0x0000000075580000-0x00000000755CC000-memory.dmp
memory/3132-42-0x0000000074D20000-0x00000000754D0000-memory.dmp
memory/3212-46-0x0000000074D20000-0x00000000754D0000-memory.dmp
memory/3212-5-0x0000000074D20000-0x00000000754D0000-memory.dmp
memory/3212-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp
memory/3212-9-0x0000000008000000-0x0000000008084000-memory.dmp
memory/3212-8-0x0000000005920000-0x0000000005930000-memory.dmp
memory/3212-6-0x0000000005780000-0x000000000581C000-memory.dmp
memory/3212-3-0x00000000054E0000-0x0000000005572000-memory.dmp
memory/3212-7-0x0000000007F60000-0x0000000007F78000-memory.dmp
memory/3212-4-0x00000000055A0000-0x00000000055AA000-memory.dmp
memory/3212-2-0x00000000059F0000-0x0000000005F94000-memory.dmp
memory/3212-1-0x0000000000A40000-0x0000000000AF2000-memory.dmp
memory/4148-44-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4148-88-0x0000000006D70000-0x0000000006DC0000-memory.dmp