Analysis
- max time kernel
120s - max time network
124s - platform
windows7_x64 - resource
win7-20230831-en - resource tags
- submitted
18/10/2023, 17:24
General
- Target 487fa93e89fd1ec0969e0083966714bd.exe
- Size 924KB
- Sample231018-vypp4agh5z
- SHA256 08bef6d15fe30410b624cfad64ba2e410312d8bb03fa602a31b69c91dd307147
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\487fa93e89fd1ec0969e0083966714bd.exe"C:\Users\Admin\AppData\Local\Temp\487fa93e89fd1ec0969e0083966714bd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\487fa93e89fd1ec0969e0083966714bd.exe"C:\Users\Admin\AppData\Local\Temp\487fa93e89fd1ec0969e0083966714bd.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2100-0-0x0000000074D80000-0x000000007546E000-memory.dmp
memory/2100-1-0x00000000013A0000-0x000000000148E000-memory.dmp
memory/2100-2-0x00000000004E0000-0x0000000000520000-memory.dmp
memory/2100-3-0x0000000000330000-0x000000000034E000-memory.dmp
memory/2100-4-0x0000000074D80000-0x000000007546E000-memory.dmp
memory/2100-5-0x00000000004E0000-0x0000000000520000-memory.dmp
memory/2100-6-0x0000000000210000-0x000000000021C000-memory.dmp
memory/2100-7-0x0000000000230000-0x0000000000240000-memory.dmp
memory/2100-8-0x0000000005670000-0x00000000056EE000-memory.dmp
memory/2100-21-0x0000000074D80000-0x000000007546E000-memory.dmp
memory/2524-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2524-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2524-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2524-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2524-15-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2524-17-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2524-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2524-20-0x0000000074D80000-0x000000007546E000-memory.dmp
memory/2524-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2524-22-0x0000000004950000-0x0000000004990000-memory.dmp
memory/2524-23-0x0000000074D80000-0x000000007546E000-memory.dmp
memory/2524-24-0x0000000004950000-0x0000000004990000-memory.dmp