Analysis
- max time kernel
51s - max time network
60s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
14/06/2024, 01:53
General
- Target ca2c60a4f253b6ada21e90eead405890a1a11d055016d9523cfba9f0ccfc30e0.exe
- Size 896KB
- Sample240614-cbc4ns1cjc
- SHA256 ca2c60a4f253b6ada21e90eead405890a1a11d055016d9523cfba9f0ccfc30e0
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.victorlopescontabilistas.com
-
Port
587
-
Username
-
Password
egmdiac196550"/?
-
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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca2c60a4f253b6ada21e90eead405890a1a11d055016d9523cfba9f0ccfc30e0.exe"C:\Users\Admin\AppData\Local\Temp\ca2c60a4f253b6ada21e90eead405890a1a11d055016d9523cfba9f0ccfc30e0.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\Roaming\dFTpCxW.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\dFTpCxW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp879F.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\ca2c60a4f253b6ada21e90eead405890a1a11d055016d9523cfba9f0ccfc30e0.exe"C:\Users\Admin\AppData\Local\Temp\ca2c60a4f253b6ada21e90eead405890a1a11d055016d9523cfba9f0ccfc30e0.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_udlg5i3y.fmx.ps1
tmp879F.tmp
memory/1772-33-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1772-35-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/1772-64-0x0000000006E20000-0x0000000006E70000-memory.dmp
memory/1772-65-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/2624-8-0x00000000073D0000-0x0000000007454000-memory.dmp
memory/2624-7-0x0000000006020000-0x0000000006030000-memory.dmp
memory/2624-6-0x00000000073B0000-0x00000000073CA000-memory.dmp
memory/2624-9-0x0000000009A40000-0x0000000009ADC000-memory.dmp
memory/2624-5-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/2624-4-0x0000000005B10000-0x0000000005B1A000-memory.dmp
memory/2624-36-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/2624-3-0x0000000005B20000-0x0000000005BB2000-memory.dmp
memory/2624-2-0x0000000006030000-0x00000000065D4000-memory.dmp
memory/2624-1-0x0000000000C70000-0x0000000000D56000-memory.dmp
memory/2624-0-0x000000007449E000-0x000000007449F000-memory.dmp
memory/3988-19-0x0000000005940000-0x0000000005962000-memory.dmp
memory/3988-52-0x0000000007A30000-0x00000000080AA000-memory.dmp
memory/3988-32-0x0000000005AC0000-0x0000000005E14000-memory.dmp
memory/3988-22-0x0000000005A50000-0x0000000005AB6000-memory.dmp
memory/3988-21-0x00000000059E0000-0x0000000005A46000-memory.dmp
memory/3988-17-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/3988-16-0x0000000005310000-0x0000000005938000-memory.dmp
memory/3988-37-0x00000000060D0000-0x00000000060EE000-memory.dmp
memory/3988-38-0x00000000063B0000-0x00000000063FC000-memory.dmp
memory/3988-39-0x0000000006690000-0x00000000066C2000-memory.dmp
memory/3988-40-0x0000000074CF0000-0x0000000074D3C000-memory.dmp
memory/3988-50-0x0000000006670000-0x000000000668E000-memory.dmp
memory/3988-51-0x00000000072A0000-0x0000000007343000-memory.dmp
memory/3988-20-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/3988-53-0x00000000073F0000-0x000000000740A000-memory.dmp
memory/3988-54-0x0000000007460000-0x000000000746A000-memory.dmp
memory/3988-55-0x0000000007670000-0x0000000007706000-memory.dmp
memory/3988-56-0x00000000075F0000-0x0000000007601000-memory.dmp
memory/3988-57-0x0000000007620000-0x000000000762E000-memory.dmp
memory/3988-58-0x0000000007630000-0x0000000007644000-memory.dmp
memory/3988-59-0x0000000007730000-0x000000000774A000-memory.dmp
memory/3988-60-0x0000000007710000-0x0000000007718000-memory.dmp
memory/3988-63-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/3988-15-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/3988-14-0x0000000002790000-0x00000000027C6000-memory.dmp