Analysis
- max time kernel
149s - max time network
96s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
06/03/2026, 14:35
General
- Target f9ec4a38ce7cfeabf581dab7d37cc517d87d43d517c5ded00b333889241beccf.exe
- Size 1.1MB
- Sample260306-ryblpagv5m
- SHA256 f9ec4a38ce7cfeabf581dab7d37cc517d87d43d517c5ded00b333889241beccf
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.antoniomayol.com:21
-
Port
21
-
Username
-
Password
cMhKDQUk1{;%
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
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- 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 6 IoCs
- Suspicious use of SendNotifyMessage 6 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f9ec4a38ce7cfeabf581dab7d37cc517d87d43d517c5ded00b333889241beccf.exe"C:\Users\Admin\AppData\Local\Temp\f9ec4a38ce7cfeabf581dab7d37cc517d87d43d517c5ded00b333889241beccf.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\meshuggenah\jinrikimen.exe"C:\Users\Admin\AppData\Local\Temp\f9ec4a38ce7cfeabf581dab7d37cc517d87d43d517c5ded00b333889241beccf.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\f9ec4a38ce7cfeabf581dab7d37cc517d87d43d517c5ded00b333889241beccf.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 776 -s 7043⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 776 -ip 7761⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
jinrikimen.exe
memory/776-20-0x00000000009D0000-0x0000000000B1D000-memory.dmp
memory/4920-18-0x0000000005300000-0x0000000005310000-memory.dmp
memory/4920-16-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4920-17-0x0000000005810000-0x0000000005DB6000-memory.dmp
memory/4920-19-0x0000000005570000-0x00000000055D6000-memory.dmp
memory/4920-21-0x00000000066F0000-0x0000000006782000-memory.dmp
memory/4920-22-0x0000000006790000-0x00000000067E0000-memory.dmp
memory/4920-23-0x00000000066D0000-0x00000000066DA000-memory.dmp
memory/4920-24-0x0000000005110000-0x000000000525D000-memory.dmp
memory/4920-26-0x0000000005300000-0x0000000005310000-memory.dmp
memory/4920-25-0x0000000005310000-0x00000000053FA000-memory.dmp
memory/5020-4-0x0000000001F70000-0x0000000001F74000-memory.dmp
memory/5020-8-0x0000000001C70000-0x0000000001DBD000-memory.dmp