Analysis
- max time kernel
63s - max time network
120s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
03/03/2023, 15:32
General
- Target b32ca16cfa9f842a9191c73c114dac8a.exe
- Size 1.1MB
- Sample230303-sym56aaa95
- SHA256 bc547f7978f4abebf31a6659ba9715abdad0b345f725d63bfe4429b868bc5113
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 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b32ca16cfa9f842a9191c73c114dac8a.exe"C:\Users\Admin\AppData\Local\Temp\b32ca16cfa9f842a9191c73c114dac8a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b32ca16cfa9f842a9191c73c114dac8a.exe"C:\Users\Admin\AppData\Local\Temp\b32ca16cfa9f842a9191c73c114dac8a.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
CabE7F2.tmp
memory/372-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/372-69-0x0000000000400000-0x0000000000430000-memory.dmp
memory/372-89-0x0000000001210000-0x0000000001250000-memory.dmp
memory/372-72-0x0000000001210000-0x0000000001250000-memory.dmp
memory/372-71-0x0000000000400000-0x0000000000430000-memory.dmp
memory/372-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/372-67-0x0000000000400000-0x0000000000430000-memory.dmp
memory/372-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/372-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/372-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1060-56-0x00000000004F0000-0x000000000050A000-memory.dmp
memory/1060-54-0x0000000001260000-0x000000000137C000-memory.dmp
memory/1060-61-0x0000000000BF0000-0x0000000000C22000-memory.dmp
memory/1060-60-0x0000000000650000-0x0000000000656000-memory.dmp
memory/1060-59-0x0000000005580000-0x000000000562A000-memory.dmp
memory/1060-58-0x0000000000390000-0x000000000039C000-memory.dmp
memory/1060-55-0x0000000000E90000-0x0000000000ED0000-memory.dmp
memory/1060-57-0x0000000000E90000-0x0000000000ED0000-memory.dmp