Analysis
- max time kernel
107s - max time network
112s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
01/06/2024, 18:18
General
- Target 7a56ee06bc25bcfe738afb59976a43c390ea097a40729594a789f8a09158e57f.exe
- Size 931KB
- Sample240601-wxy3tabe42
- SHA256 7a56ee06bc25bcfe738afb59976a43c390ea097a40729594a789f8a09158e57f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.medicalhome.com.pe
-
Port
587
-
Username
-
Password
MHinfo01
-
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.
- 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).
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7a56ee06bc25bcfe738afb59976a43c390ea097a40729594a789f8a09158e57f.exe"C:\Users\Admin\AppData\Local\Temp\7a56ee06bc25bcfe738afb59976a43c390ea097a40729594a789f8a09158e57f.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\7a56ee06bc25bcfe738afb59976a43c390ea097a40729594a789f8a09158e57f.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\7a56ee06bc25bcfe738afb59976a43c390ea097a40729594a789f8a09158e57f.exe"C:\Users\Admin\AppData\Local\Temp\7a56ee06bc25bcfe738afb59976a43c390ea097a40729594a789f8a09158e57f.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_xpvgfwov.n4g.ps1
memory/708-10-0x0000000000400000-0x0000000000476000-memory.dmp
memory/708-13-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/708-62-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/708-61-0x0000000006AA0000-0x0000000006AF0000-memory.dmp
memory/708-26-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/708-16-0x0000000005540000-0x00000000055A6000-memory.dmp
memory/3164-12-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/3164-2-0x0000000005AA0000-0x0000000006044000-memory.dmp
memory/3164-9-0x0000000006F60000-0x0000000007018000-memory.dmp
memory/3164-0-0x000000007459E000-0x000000007459F000-memory.dmp
memory/3164-3-0x00000000054F0000-0x0000000005582000-memory.dmp
memory/3164-7-0x0000000006DF0000-0x0000000006E08000-memory.dmp
memory/3164-5-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/3164-4-0x00000000054C0000-0x00000000054CA000-memory.dmp
memory/3164-1-0x0000000000B20000-0x0000000000C0A000-memory.dmp
memory/3164-8-0x0000000006750000-0x0000000006760000-memory.dmp
memory/3164-6-0x0000000005730000-0x00000000057CC000-memory.dmp
memory/4800-33-0x0000000006390000-0x00000000063DC000-memory.dmp
memory/4800-47-0x0000000007C70000-0x00000000082EA000-memory.dmp
memory/4800-18-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/4800-34-0x00000000068D0000-0x0000000006902000-memory.dmp
memory/4800-31-0x0000000005D50000-0x00000000060A4000-memory.dmp
memory/4800-32-0x00000000062E0000-0x00000000062FE000-memory.dmp
memory/4800-17-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/4800-35-0x00000000701F0000-0x000000007023C000-memory.dmp
memory/4800-15-0x00000000054D0000-0x0000000005AF8000-memory.dmp
memory/4800-45-0x0000000006910000-0x000000000692E000-memory.dmp
memory/4800-46-0x00000000072F0000-0x0000000007393000-memory.dmp
memory/4800-20-0x0000000005C30000-0x0000000005C96000-memory.dmp
memory/4800-48-0x0000000007630000-0x000000000764A000-memory.dmp
memory/4800-49-0x00000000076A0000-0x00000000076AA000-memory.dmp
memory/4800-50-0x00000000078B0000-0x0000000007946000-memory.dmp
memory/4800-51-0x0000000007830000-0x0000000007841000-memory.dmp
memory/4800-54-0x0000000007860000-0x000000000786E000-memory.dmp
memory/4800-55-0x0000000007870000-0x0000000007884000-memory.dmp
memory/4800-56-0x0000000007970000-0x000000000798A000-memory.dmp
memory/4800-57-0x0000000007950000-0x0000000007958000-memory.dmp
memory/4800-60-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/4800-14-0x00000000029F0000-0x0000000002A26000-memory.dmp
memory/4800-19-0x0000000005440000-0x0000000005462000-memory.dmp