Analysis
- max time kernel
149s - max time network
129s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
17/02/2026, 09:19
General
- Target a57d6c8a7921154096bc2a4ef475955ebb74561e812ff12aa4e8ad509745a7d1.exe
- Size 294KB
- Sample260217-laaftset2d
- SHA256 a57d6c8a7921154096bc2a4ef475955ebb74561e812ff12aa4e8ad509745a7d1
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.holzbrenzii.com
-
Port
21
-
Username
-
Password
boygirl123456
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- 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
- 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a57d6c8a7921154096bc2a4ef475955ebb74561e812ff12aa4e8ad509745a7d1.exe"C:\Users\Admin\AppData\Local\Temp\a57d6c8a7921154096bc2a4ef475955ebb74561e812ff12aa4e8ad509745a7d1.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a57d6c8a7921154096bc2a4ef475955ebb74561e812ff12aa4e8ad509745a7d1.exe"C:\Users\Admin\AppData\Local\Temp\a57d6c8a7921154096bc2a4ef475955ebb74561e812ff12aa4e8ad509745a7d1.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/1976-10-0x0000000001920000-0x00000000019FF000-memory.dmp
memory/1976-1-0x0000000006290000-0x0000000006836000-memory.dmp
memory/1976-2-0x0000000005BB0000-0x0000000005C42000-memory.dmp
memory/1976-3-0x0000000005E90000-0x0000000005EA0000-memory.dmp
memory/1976-4-0x0000000005C60000-0x0000000005C6A000-memory.dmp
memory/1976-5-0x0000000005E90000-0x0000000005EA0000-memory.dmp
memory/1976-6-0x00000000088E0000-0x00000000088EA000-memory.dmp
memory/1976-7-0x0000000008990000-0x0000000008A2C000-memory.dmp
memory/1976-0-0x0000000000FF0000-0x0000000001040000-memory.dmp
memory/2932-8-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2932-11-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/2932-12-0x00000000051A0000-0x0000000005206000-memory.dmp
memory/2932-13-0x0000000006750000-0x00000000067A0000-memory.dmp
memory/2932-15-0x0000000002B20000-0x0000000002B2B000-memory.dmp
memory/2932-14-0x0000000002AF0000-0x0000000002B1F000-memory.dmp
memory/2932-17-0x0000000005640000-0x0000000005647000-memory.dmp
memory/2932-18-0x0000000004F20000-0x0000000004F30000-memory.dmp
memory/2932-16-0x0000000005310000-0x0000000005392000-memory.dmp