Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
24/03/2026, 11:55
General
- Target 8a9b90111fec106d68dd4c23b644b9bd7eb61a71fc67cd1e2cdfb9133224c379.exe
- Size 240KB
- Sample260324-n3lqnsfx21
- SHA256 8a9b90111fec106d68dd4c23b644b9bd7eb61a71fc67cd1e2cdfb9133224c379
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.onionmail.org
-
Port
587
-
Username
-
Password
sendboxorigin12
-
Email to
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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- System Location Discovery: System Language Discovery 1 TTPs 1 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\8a9b90111fec106d68dd4c23b644b9bd7eb61a71fc67cd1e2cdfb9133224c379.exe"C:\Users\Admin\AppData\Local\Temp\8a9b90111fec106d68dd4c23b644b9bd7eb61a71fc67cd1e2cdfb9133224c379.exe"1⤵
- 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/2564-0-0x0000000000780000-0x00000000007C2000-memory.dmp
memory/2564-1-0x0000000005AB0000-0x0000000006056000-memory.dmp
memory/2564-2-0x00000000054F0000-0x0000000005500000-memory.dmp
memory/2564-3-0x0000000005570000-0x00000000055D6000-memory.dmp
memory/2564-4-0x0000000006BF0000-0x0000000006C82000-memory.dmp
memory/2564-5-0x0000000006C90000-0x0000000006CE0000-memory.dmp
memory/2564-6-0x0000000006DE0000-0x0000000006DEA000-memory.dmp
memory/2564-8-0x00000000052A0000-0x0000000005304000-memory.dmp
memory/2564-7-0x00000000012D0000-0x00000000013E2000-memory.dmp
memory/2564-9-0x00000000054F0000-0x0000000005500000-memory.dmp
memory/2564-20-0x00000000012D0000-0x00000000013E2000-memory.dmp
memory/2564-34-0x00000000012D0000-0x00000000013E2000-memory.dmp