Analysis
- max time kernel
149s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
17/02/2026, 09:19
General
- Target a57d6c8a7921154096bc2a4ef475955ebb74561e812ff12aa4e8ad509745a7d1.exe
- Size 294KB
- Sample260217-laaftset2d
- SHA256 a57d6c8a7921154096bc2a4ef475955ebb74561e812ff12aa4e8ad509745a7d1
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.holzbrenzii.com
-
Port
21
-
Username
-
Password
boygirl123456
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/1480-10-0x00000000050A0000-0x0000000005136000-memory.dmp
memory/1480-1-0x0000000005830000-0x0000000005DD4000-memory.dmp
memory/1480-2-0x0000000005280000-0x0000000005312000-memory.dmp
memory/1480-3-0x0000000005410000-0x0000000005420000-memory.dmp
memory/1480-4-0x0000000005220000-0x000000000522A000-memory.dmp
memory/1480-5-0x0000000005410000-0x0000000005420000-memory.dmp
memory/1480-6-0x0000000005710000-0x000000000571A000-memory.dmp
memory/1480-7-0x00000000081C0000-0x000000000825C000-memory.dmp
memory/1480-0-0x0000000000740000-0x0000000000790000-memory.dmp
memory/3396-8-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3396-11-0x0000000005A30000-0x0000000005A40000-memory.dmp
memory/3396-12-0x0000000005B80000-0x0000000005BE6000-memory.dmp
memory/3396-13-0x0000000007130000-0x0000000007180000-memory.dmp
memory/3396-14-0x00000000057B0000-0x0000000005846000-memory.dmp
memory/3396-17-0x0000000005A30000-0x0000000005A40000-memory.dmp
memory/3396-16-0x0000000006610000-0x0000000006682000-memory.dmp
memory/3396-15-0x00000000065F0000-0x000000000660D000-memory.dmp