Analysis
- max time kernel
82s - max time network
68s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
27/10/2022, 08:32
General
- Target cd9d173c47be216dbfc18aa88972cc7d.exe
- Size 975KB
- Sample221027-kfas4sbfam
- SHA256 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.valvulasthermovalve.cl
-
Port
21
-
Username
-
Password
LILKOOLL14!!
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
- 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\cd9d173c47be216dbfc18aa88972cc7d.exe"C:\Users\Admin\AppData\Local\Temp\cd9d173c47be216dbfc18aa88972cc7d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\cd9d173c47be216dbfc18aa88972cc7d.exe"C:\Users\Admin\AppData\Local\Temp\cd9d173c47be216dbfc18aa88972cc7d.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1936-54-0x0000000000880000-0x000000000097A000-memory.dmp
memory/1936-55-0x0000000076DC1000-0x0000000076DC3000-memory.dmp
memory/1936-56-0x0000000000530000-0x0000000000546000-memory.dmp
memory/1936-57-0x0000000000720000-0x000000000072C000-memory.dmp
memory/1936-58-0x0000000005CB0000-0x0000000005D54000-memory.dmp
memory/1936-59-0x0000000005DF0000-0x0000000005E5E000-memory.dmp
memory/2032-60-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2032-61-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2032-63-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2032-64-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2032-65-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2032-68-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2032-70-0x0000000000400000-0x000000000043A000-memory.dmp