Analysis
- max time kernel
140s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
21/05/2024, 01:10
General
- Target 8157c8da18a3a0e80033976f357cad1ccad88ea8b4353b239ac675a6bab9a364.exe
- Size 1013KB
- Sample240521-bjtkysdc29
- SHA256 8157c8da18a3a0e80033976f357cad1ccad88ea8b4353b239ac675a6bab9a364
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.gruporequena.com
-
Port
587
-
Username
-
Password
flandealmendra
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8157c8da18a3a0e80033976f357cad1ccad88ea8b4353b239ac675a6bab9a364.exe"C:\Users\Admin\AppData\Local\Temp\8157c8da18a3a0e80033976f357cad1ccad88ea8b4353b239ac675a6bab9a364.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\8157c8da18a3a0e80033976f357cad1ccad88ea8b4353b239ac675a6bab9a364.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 7002⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2916 -ip 29161⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/2916-10-0x0000000000650000-0x0000000000654000-memory.dmp
memory/4888-11-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4888-12-0x00000000738CE000-0x00000000738CF000-memory.dmp
memory/4888-13-0x0000000005EF0000-0x0000000006494000-memory.dmp
memory/4888-14-0x0000000005A40000-0x0000000005AA6000-memory.dmp
memory/4888-15-0x00000000738C0000-0x0000000074070000-memory.dmp
memory/4888-16-0x0000000006E20000-0x0000000006E70000-memory.dmp
memory/4888-17-0x0000000006F10000-0x0000000006FA2000-memory.dmp
memory/4888-18-0x0000000006E90000-0x0000000006E9A000-memory.dmp
memory/4888-19-0x00000000738CE000-0x00000000738CF000-memory.dmp
memory/4888-20-0x00000000738C0000-0x0000000074070000-memory.dmp