Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
14/11/2024, 03:10
General
- Target d097aece3afaf2eeafce3fea88dc99e98ef31465bb9216fbc4bbc0c649dea94c.exe
- Size 691KB
- Sample241114-dn2hgasrdt
- SHA256 d097aece3afaf2eeafce3fea88dc99e98ef31465bb9216fbc4bbc0c649dea94c
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
w#chNV#1
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
w#chNV#1
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- 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 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.
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d097aece3afaf2eeafce3fea88dc99e98ef31465bb9216fbc4bbc0c649dea94c.exe"C:\Users\Admin\AppData\Local\Temp\d097aece3afaf2eeafce3fea88dc99e98ef31465bb9216fbc4bbc0c649dea94c.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\Local\Temp\d097aece3afaf2eeafce3fea88dc99e98ef31465bb9216fbc4bbc0c649dea94c.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\d097aece3afaf2eeafce3fea88dc99e98ef31465bb9216fbc4bbc0c649dea94c.exe"C:\Users\Admin\AppData\Local\Temp\d097aece3afaf2eeafce3fea88dc99e98ef31465bb9216fbc4bbc0c649dea94c.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\d097aece3afaf2eeafce3fea88dc99e98ef31465bb9216fbc4bbc0c649dea94c.exe"C:\Users\Admin\AppData\Local\Temp\d097aece3afaf2eeafce3fea88dc99e98ef31465bb9216fbc4bbc0c649dea94c.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_qsz13ryl.yoz.ps1
memory/3048-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3048-65-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/3048-64-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/3048-56-0x0000000006480000-0x00000000064D0000-memory.dmp
memory/3048-18-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/3048-17-0x0000000005050000-0x00000000050B6000-memory.dmp
memory/3048-15-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/4144-52-0x00000000074A0000-0x00000000074BA000-memory.dmp
memory/4144-36-0x00000000061B0000-0x00000000061FC000-memory.dmp
memory/4144-63-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/4144-60-0x00000000077C0000-0x00000000077C8000-memory.dmp
memory/4144-59-0x00000000077E0000-0x00000000077FA000-memory.dmp
memory/4144-58-0x00000000076E0000-0x00000000076F4000-memory.dmp
memory/4144-16-0x0000000002850000-0x0000000002886000-memory.dmp
memory/4144-57-0x00000000076D0000-0x00000000076DE000-memory.dmp
memory/4144-55-0x00000000076A0000-0x00000000076B1000-memory.dmp
memory/4144-54-0x0000000007720000-0x00000000077B6000-memory.dmp
memory/4144-19-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/4144-21-0x0000000005400000-0x0000000005A28000-memory.dmp
memory/4144-20-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/4144-22-0x00000000051C0000-0x00000000051E2000-memory.dmp
memory/4144-23-0x0000000005260000-0x00000000052C6000-memory.dmp
memory/4144-53-0x0000000007510000-0x000000000751A000-memory.dmp
memory/4144-25-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/4144-24-0x0000000005BB0000-0x0000000005F04000-memory.dmp
memory/4144-35-0x0000000006180000-0x000000000619E000-memory.dmp
memory/4144-51-0x0000000007AF0000-0x000000000816A000-memory.dmp
memory/4144-38-0x0000000006740000-0x0000000006772000-memory.dmp
memory/4144-39-0x00000000721D0000-0x000000007221C000-memory.dmp
memory/4144-49-0x0000000006720000-0x000000000673E000-memory.dmp
memory/4144-50-0x0000000007160000-0x0000000007203000-memory.dmp
memory/4480-7-0x0000000005730000-0x00000000057CC000-memory.dmp
memory/4480-0-0x00000000744DE000-0x00000000744DF000-memory.dmp
memory/4480-4-0x0000000004B90000-0x0000000004EE4000-memory.dmp
memory/4480-6-0x0000000004F20000-0x0000000004F2A000-memory.dmp
memory/4480-5-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/4480-3-0x0000000004AF0000-0x0000000004B82000-memory.dmp
memory/4480-9-0x00000000744DE000-0x00000000744DF000-memory.dmp
memory/4480-14-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/4480-8-0x0000000005700000-0x0000000005712000-memory.dmp
memory/4480-11-0x00000000064A0000-0x0000000006526000-memory.dmp
memory/4480-10-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/4480-2-0x0000000004FC0000-0x0000000005564000-memory.dmp
memory/4480-1-0x0000000000050000-0x0000000000104000-memory.dmp