Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
02/03/2023, 12:36
General
- Target 344dbb093e9de1ed96a6457ef1a2e40f.exe
- Size 1.0MB
- Sample230302-psxwmach86
- SHA256 130af4a0f76145a77e1814efbda5e34f0bb2f0d0a21f189c40fc595c768930fb
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.valvulasthermovalve.cl
-
Port
21
-
Username
-
Password
LILKOOLL14!!
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\344dbb093e9de1ed96a6457ef1a2e40f.exe"C:\Users\Admin\AppData\Local\Temp\344dbb093e9de1ed96a6457ef1a2e40f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\344dbb093e9de1ed96a6457ef1a2e40f.exe"C:\Users\Admin\AppData\Local\Temp\344dbb093e9de1ed96a6457ef1a2e40f.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
344dbb093e9de1ed96a6457ef1a2e40f.exe.log
memory/3288-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3288-147-0x00000000056C0000-0x00000000056D0000-memory.dmp
memory/3288-146-0x0000000007410000-0x00000000075D2000-memory.dmp
memory/3288-145-0x0000000007060000-0x00000000070B0000-memory.dmp
memory/3288-144-0x00000000056C0000-0x00000000056D0000-memory.dmp
memory/3288-143-0x00000000056D0000-0x0000000005736000-memory.dmp
memory/4224-136-0x00000000029A0000-0x00000000029AA000-memory.dmp
memory/4224-139-0x0000000007A40000-0x0000000007ADC000-memory.dmp
memory/4224-138-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/4224-137-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/4224-133-0x00000000003F0000-0x00000000004FC000-memory.dmp
memory/4224-135-0x0000000004F70000-0x0000000005002000-memory.dmp
memory/4224-134-0x0000000005520000-0x0000000005AC4000-memory.dmp