Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
10/06/2024, 22:34
General
- Target COTAÇÃO para fornecedores em branco - termometro digital.exe
- Size 727KB
- Sample240610-2g3nystfkr
- SHA256 a2b3a285bc774b2ae54747886ce6f0a9babaf853e0be8c2cbef1a537d39d8195
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.elektronikkutu.com
-
Port
587
-
Username
-
Password
9U:e3@wpS3:U7h_V
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 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 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\COTAÇÃO para fornecedores em branco - termometro digital.exe"C:\Users\Admin\AppData\Local\Temp\COTAÇÃO para fornecedores em branco - termometro digital.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\xvwuXirVRT.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\xvwuXirVRT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E29.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\COTAÇÃO para fornecedores em branco - termometro digital.exe"C:\Users\Admin\AppData\Local\Temp\COTAÇÃO para fornecedores em branco - termometro digital.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_qwlpcubd.phz.ps1
tmp7E29.tmp
memory/2300-6-0x0000000006A10000-0x0000000006A32000-memory.dmp
memory/2300-3-0x0000000005070000-0x0000000005102000-memory.dmp
memory/2300-4-0x0000000005140000-0x000000000514A000-memory.dmp
memory/2300-5-0x0000000074950000-0x0000000075100000-memory.dmp
memory/2300-2-0x00000000056D0000-0x0000000005C74000-memory.dmp
memory/2300-7-0x0000000002910000-0x0000000002920000-memory.dmp
memory/2300-8-0x0000000006630000-0x00000000066B4000-memory.dmp
memory/2300-9-0x0000000007D80000-0x0000000007E1C000-memory.dmp
memory/2300-0-0x000000007495E000-0x000000007495F000-memory.dmp
memory/2300-1-0x0000000000630000-0x00000000006E6000-memory.dmp
memory/2300-23-0x0000000074950000-0x0000000075100000-memory.dmp
memory/4056-14-0x00000000051F0000-0x0000000005226000-memory.dmp
memory/4056-57-0x0000000007CD0000-0x0000000007CE1000-memory.dmp
memory/4056-19-0x0000000074950000-0x0000000075100000-memory.dmp
memory/4056-64-0x0000000074950000-0x0000000075100000-memory.dmp
memory/4056-61-0x0000000007DF0000-0x0000000007DF8000-memory.dmp
memory/4056-16-0x0000000074950000-0x0000000075100000-memory.dmp
memory/4056-60-0x0000000007E10000-0x0000000007E2A000-memory.dmp
memory/4056-15-0x0000000005860000-0x0000000005E88000-memory.dmp
memory/4056-59-0x0000000007D10000-0x0000000007D24000-memory.dmp
memory/4056-36-0x0000000006200000-0x0000000006266000-memory.dmp
memory/4056-35-0x0000000006150000-0x0000000006172000-memory.dmp
memory/4056-37-0x0000000006300000-0x0000000006654000-memory.dmp
memory/4056-38-0x0000000006790000-0x00000000067AE000-memory.dmp
memory/4056-39-0x0000000006B40000-0x0000000006B8C000-memory.dmp
memory/4056-41-0x00000000706E0000-0x000000007072C000-memory.dmp
memory/4056-40-0x0000000007960000-0x0000000007992000-memory.dmp
memory/4056-51-0x0000000006D60000-0x0000000006D7E000-memory.dmp
memory/4056-52-0x00000000079A0000-0x0000000007A43000-memory.dmp
memory/4056-53-0x0000000008120000-0x000000000879A000-memory.dmp
memory/4056-54-0x0000000007AD0000-0x0000000007AEA000-memory.dmp
memory/4056-55-0x0000000007B50000-0x0000000007B5A000-memory.dmp
memory/4056-56-0x0000000007D50000-0x0000000007DE6000-memory.dmp
memory/4056-17-0x0000000074950000-0x0000000075100000-memory.dmp
memory/4056-58-0x0000000007D00000-0x0000000007D0E000-memory.dmp
memory/4968-24-0x0000000074950000-0x0000000075100000-memory.dmp
memory/4968-25-0x0000000004EC0000-0x0000000004F26000-memory.dmp
memory/4968-22-0x0000000074950000-0x0000000075100000-memory.dmp
memory/4968-20-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4968-65-0x0000000006430000-0x0000000006480000-memory.dmp
memory/4968-66-0x0000000074950000-0x0000000075100000-memory.dmp