Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/10/2024, 14:12
General
- Target 9c7df3a3e8174fcad51ce98aa8875fd72b8e7acadb309ad8b6ac59e8a0c1d65d.exe
- Size 847KB
- Sample241008-rhvdvstgla
- SHA256 9c7df3a3e8174fcad51ce98aa8875fd72b8e7acadb309ad8b6ac59e8a0c1d65d
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.iaa-airferight.com
-
Port
587
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Username
-
Password
webmaster
-
Email to
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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 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).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 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 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9c7df3a3e8174fcad51ce98aa8875fd72b8e7acadb309ad8b6ac59e8a0c1d65d.exe"C:\Users\Admin\AppData\Local\Temp\9c7df3a3e8174fcad51ce98aa8875fd72b8e7acadb309ad8b6ac59e8a0c1d65d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\9c7df3a3e8174fcad51ce98aa8875fd72b8e7acadb309ad8b6ac59e8a0c1d65d.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- 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\VhGKfD.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VhGKfD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp273A.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\9c7df3a3e8174fcad51ce98aa8875fd72b8e7acadb309ad8b6ac59e8a0c1d65d.exe"C:\Users\Admin\AppData\Local\Temp\9c7df3a3e8174fcad51ce98aa8875fd72b8e7acadb309ad8b6ac59e8a0c1d65d.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_51tki0wm.x1h.ps1
tmp273A.tmp
memory/1836-76-0x0000000006E10000-0x0000000006E1A000-memory.dmp
memory/1836-49-0x0000000005EE0000-0x0000000005F2C000-memory.dmp
memory/1836-89-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/1836-82-0x00000000070C0000-0x00000000070C8000-memory.dmp
memory/1836-81-0x00000000070E0000-0x00000000070FA000-memory.dmp
memory/1836-78-0x0000000006FA0000-0x0000000006FB1000-memory.dmp
memory/1836-77-0x0000000007020000-0x00000000070B6000-memory.dmp
memory/1836-15-0x00000000020D0000-0x0000000002106000-memory.dmp
memory/1836-16-0x0000000004D00000-0x0000000005328000-memory.dmp
memory/1836-17-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/1836-18-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/1836-74-0x00000000073E0000-0x0000000007A5A000-memory.dmp
memory/1836-22-0x0000000004C40000-0x0000000004CA6000-memory.dmp
memory/1836-21-0x0000000004BD0000-0x0000000004C36000-memory.dmp
memory/1836-75-0x0000000006DA0000-0x0000000006DBA000-memory.dmp
memory/1836-63-0x0000000070150000-0x000000007019C000-memory.dmp
memory/1836-20-0x0000000004A30000-0x0000000004A52000-memory.dmp
memory/1836-48-0x00000000059F0000-0x0000000005A0E000-memory.dmp
memory/1836-47-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/3888-5-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/3888-7-0x000000007524E000-0x000000007524F000-memory.dmp
memory/3888-1-0x0000000000540000-0x0000000000614000-memory.dmp
memory/3888-3-0x0000000005030000-0x00000000050C2000-memory.dmp
memory/3888-50-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/3888-2-0x00000000055E0000-0x0000000005B84000-memory.dmp
memory/3888-6-0x0000000005250000-0x0000000005260000-memory.dmp
memory/3888-8-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/3888-4-0x0000000005010000-0x000000000501A000-memory.dmp
memory/3888-9-0x0000000006700000-0x0000000006782000-memory.dmp
memory/3888-10-0x0000000008EB0000-0x0000000008F4C000-memory.dmp
memory/3888-0-0x000000007524E000-0x000000007524F000-memory.dmp
memory/4264-62-0x0000000006790000-0x00000000067AE000-memory.dmp
memory/4264-23-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/4264-69-0x00000000071E0000-0x0000000007283000-memory.dmp
memory/4264-51-0x00000000071A0000-0x00000000071D2000-memory.dmp
memory/4264-79-0x0000000007720000-0x000000000772E000-memory.dmp
memory/4264-80-0x0000000007730000-0x0000000007744000-memory.dmp
memory/4264-19-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/4264-52-0x0000000070150000-0x000000007019C000-memory.dmp
memory/4264-38-0x0000000005C10000-0x0000000005F64000-memory.dmp
memory/4264-45-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/4264-88-0x0000000075240000-0x00000000759F0000-memory.dmp
memory/5040-44-0x0000000000400000-0x0000000000440000-memory.dmp
memory/5040-90-0x0000000007210000-0x0000000007260000-memory.dmp