Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
04/12/2025, 14:00
General
- Target z41factura-9876.exe
- Size 567KB
- Sample251204-rbae4sft4f
- SHA256 db2271f6304ac6140d219a6a092c757e07dbe0fc342d62b9ba83dc7e0f005cda
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.ionos.es
-
Port
587
-
Username
-
Password
Playa.2022Sol
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Drops startup file 1 IoCs
- Executes dropped EXE 1 IoCs
- AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- 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 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\z41factura-9876.exe"C:\Users\Admin\AppData\Local\Temp\z41factura-9876.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\resharing\maneuverability.exe"C:\Users\Admin\AppData\Local\Temp\z41factura-9876.exe"2⤵
- Drops startup file
- Executes dropped EXE
- 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\z41factura-9876.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 6116 -s 7363⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 6116 -ip 61161⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Melber
Zama
maneuverability.exe
memory/2692-36-0x0000000006280000-0x00000000062D0000-memory.dmp
memory/2692-30-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2692-31-0x00000000059D0000-0x0000000005F76000-memory.dmp
memory/2692-32-0x0000000005360000-0x0000000005370000-memory.dmp
memory/2692-33-0x0000000005520000-0x0000000005586000-memory.dmp
memory/2692-37-0x0000000006370000-0x0000000006402000-memory.dmp
memory/2692-38-0x00000000062F0000-0x00000000062FA000-memory.dmp
memory/2692-39-0x0000000005360000-0x0000000005370000-memory.dmp
memory/5400-16-0x00000000000C0000-0x0000000000207000-memory.dmp
memory/5400-10-0x0000000003EC0000-0x0000000003EC4000-memory.dmp
memory/5400-0-0x00000000000C0000-0x0000000000207000-memory.dmp
memory/6116-14-0x00000000005A0000-0x00000000006E7000-memory.dmp
memory/6116-35-0x00000000005A0000-0x00000000006E7000-memory.dmp