Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
17/02/2026, 09:19
General
- Target 23f44bfb503aecff7ee5862f7ea2e0df70f019518086baa6ab8848c333b22523.exe
- Size 236KB
- Sample260217-laaftset2e
- SHA256 23f44bfb503aecff7ee5862f7ea2e0df70f019518086baa6ab8848c333b22523
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.
- 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\23f44bfb503aecff7ee5862f7ea2e0df70f019518086baa6ab8848c333b22523.exe"C:\Users\Admin\AppData\Local\Temp\23f44bfb503aecff7ee5862f7ea2e0df70f019518086baa6ab8848c333b22523.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/5840-0-0x0000000000FD0000-0x0000000001012000-memory.dmp
memory/5840-1-0x00000000061E0000-0x0000000006784000-memory.dmp
memory/5840-2-0x0000000005D80000-0x0000000005D90000-memory.dmp
memory/5840-3-0x0000000005E00000-0x0000000005E66000-memory.dmp
memory/5840-4-0x0000000007440000-0x0000000007490000-memory.dmp
memory/5840-5-0x0000000007530000-0x00000000075CC000-memory.dmp
memory/5840-6-0x0000000007670000-0x0000000007702000-memory.dmp
memory/5840-7-0x0000000007600000-0x000000000760A000-memory.dmp
memory/5840-9-0x0000000005D80000-0x0000000005D90000-memory.dmp
memory/5840-8-0x00000000058D0000-0x0000000005B51000-memory.dmp
memory/5840-15-0x00000000058D0000-0x0000000005B51000-memory.dmp
memory/5840-21-0x00000000058D0000-0x0000000005B51000-memory.dmp