Analysis
- max time kernel
117s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
06/02/2024, 18:23
General
- Target SecuriteInfo.com.Win32.PWSX-gen.28124.27215.exe
- Size 635KB
- Sample240206-w1fqmscha2
- SHA256 53c48a7e304a44854fa0beacc7cfe3089e43f4e7bc8814856835108c459c63af
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
mtr83474
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 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 WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28124.27215.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28124.27215.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\Roaming\XpKsrCiuUX.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28124.27215.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28124.27215.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XpKsrCiuUX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7772.tmp"2⤵
- Creates scheduled task(s)
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_pa1gigac.yzn.ps1
tmp7772.tmp
memory/2032-10-0x0000000007670000-0x00000000076F4000-memory.dmp
memory/2032-1-0x0000000000130000-0x00000000001D4000-memory.dmp
memory/2032-4-0x0000000004B40000-0x0000000004B50000-memory.dmp
memory/2032-5-0x0000000004BA0000-0x0000000004BAA000-memory.dmp
memory/2032-6-0x0000000004E60000-0x0000000004EFC000-memory.dmp
memory/2032-7-0x0000000005070000-0x0000000005084000-memory.dmp
memory/2032-9-0x00000000050A0000-0x00000000050AE000-memory.dmp
memory/2032-8-0x0000000005090000-0x000000000509A000-memory.dmp
memory/2032-24-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/2032-3-0x0000000004BB0000-0x0000000004C42000-memory.dmp
memory/2032-0-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/2032-2-0x00000000050C0000-0x0000000005664000-memory.dmp
memory/3944-72-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/3944-23-0x00000000058F0000-0x0000000005956000-memory.dmp
memory/3944-25-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/3944-26-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/3944-70-0x0000000006D30000-0x0000000006D80000-memory.dmp
memory/3944-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3944-71-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/4148-18-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/4148-54-0x00000000049D0000-0x00000000049E0000-memory.dmp
memory/4148-20-0x00000000049D0000-0x00000000049E0000-memory.dmp
memory/4148-37-0x00000000059F0000-0x0000000005A56000-memory.dmp
memory/4148-39-0x0000000005FB0000-0x0000000005FCE000-memory.dmp
memory/4148-17-0x0000000005010000-0x0000000005638000-memory.dmp
memory/4148-40-0x0000000005FF0000-0x000000000603C000-memory.dmp
memory/4148-43-0x00000000701C0000-0x000000007020C000-memory.dmp
memory/4148-56-0x00000000065F0000-0x0000000006693000-memory.dmp
memory/4148-55-0x00000000049D0000-0x00000000049E0000-memory.dmp
memory/4148-58-0x00000000072D0000-0x00000000072EA000-memory.dmp
memory/4148-59-0x0000000007350000-0x000000000735A000-memory.dmp
memory/4148-57-0x0000000007920000-0x0000000007F9A000-memory.dmp
memory/4148-38-0x0000000005B40000-0x0000000005E94000-memory.dmp
memory/4148-61-0x00000000074D0000-0x00000000074E1000-memory.dmp
memory/4148-60-0x0000000007550000-0x00000000075E6000-memory.dmp
memory/4148-53-0x00000000065D0000-0x00000000065EE000-memory.dmp
memory/4148-42-0x0000000006590000-0x00000000065C2000-memory.dmp
memory/4148-41-0x000000007F440000-0x000000007F450000-memory.dmp
memory/4148-63-0x0000000007510000-0x0000000007524000-memory.dmp
memory/4148-62-0x0000000007500000-0x000000000750E000-memory.dmp
memory/4148-65-0x00000000075F0000-0x00000000075F8000-memory.dmp
memory/4148-64-0x0000000007610000-0x000000000762A000-memory.dmp
memory/4148-69-0x00000000744A0000-0x0000000074C50000-memory.dmp
memory/4148-32-0x00000000057B0000-0x00000000057D2000-memory.dmp
memory/4148-21-0x00000000049D0000-0x00000000049E0000-memory.dmp
memory/4148-15-0x0000000004960000-0x0000000004996000-memory.dmp