Analysis
- max time kernel
80s - max time network
54s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
- submitted
24/11/2022, 16:31
General
- Target file.exe
- Size 614KB
- Sample221124-t1eggafc97
- SHA256 cb6d360b28e57ec435126f83370bb1cfb4e66e45633a080628bb6d2c3579a558
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
host39.registrar-servers.com
-
Port
587
-
Username
-
Password
payment12345
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 3 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\file.exe"{path}"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/852-54-0x0000000000CF0000-0x0000000000D90000-memory.dmp
memory/852-55-0x0000000074E41000-0x0000000074E43000-memory.dmp
memory/852-56-0x0000000000560000-0x0000000000572000-memory.dmp
memory/852-57-0x0000000005D90000-0x0000000005E0E000-memory.dmp
memory/852-58-0x0000000000C20000-0x0000000000C5C000-memory.dmp
memory/1248-59-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1248-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1248-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1248-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1248-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1248-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1248-69-0x0000000000400000-0x000000000043C000-memory.dmp