Analysis
- max time kernel
149s - max time network
104s - platform
windows11-21h2_x64 - resource
win11-20251015-en - resource tags
- submitted
20/10/2025, 08:45
General
- Target PO#FCH250225SZ.exe
- Size 1.0MB
- Sample251020-kn7staskdj
- SHA256 d98a372deb31439799f2cfdf7a8a0421d71d8c6dc9a2144ba7bcc6894c14f5b2
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.smhrc.com
-
Port
21
-
Username
-
Password
n+Z#*u(1o)He
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- 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
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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\PO#FCH250225SZ.exe"C:\Users\Admin\AppData\Local\Temp\PO#FCH250225SZ.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\PO#FCH250225SZ.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 124 -s 7362⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 124 -ip 1241⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/124-10-0x0000000000B70000-0x0000000000F70000-memory.dmp
memory/3944-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3944-12-0x0000000005690000-0x0000000005C36000-memory.dmp
memory/3944-13-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/3944-14-0x00000000050E0000-0x0000000005146000-memory.dmp
memory/3944-15-0x00000000063E0000-0x0000000006430000-memory.dmp
memory/3944-16-0x00000000064D0000-0x0000000006562000-memory.dmp
memory/3944-17-0x0000000006450000-0x000000000645A000-memory.dmp
memory/3944-18-0x00000000050D0000-0x00000000050E0000-memory.dmp