Analysis
- max time kernel
136s - max time network
117s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
07/01/2022, 08:55
General
- Target d14ba8c9aea3b5982fa28b7d90f43535.exe
- Size 1.1MB
- Sample220107-kvf9facdhr
- SHA256 6821b08cb8ebc1e38504de290856429fed68be2fcaa455e6dde2e6f9926787c1
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
milax.tk
-
Port
587
-
Username
-
Password
7213575aceACE@#$
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 6 IoCs
- Drops file in Drivers directory 1 IoCs
- 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 SetWindowsHookEx 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\d14ba8c9aea3b5982fa28b7d90f43535.exe"C:\Users\Admin\AppData\Local\Temp\d14ba8c9aea3b5982fa28b7d90f43535.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\d14ba8c9aea3b5982fa28b7d90f43535.exe"C:\Users\Admin\AppData\Local\Temp\d14ba8c9aea3b5982fa28b7d90f43535.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/672-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/672-69-0x00000000003B1000-0x00000000003B2000-memory.dmp
memory/672-68-0x00000000003B0000-0x00000000003B1000-memory.dmp
memory/672-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/672-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/672-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/672-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/672-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/672-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1608-55-0x0000000000C70000-0x0000000000D9A000-memory.dmp
memory/1608-59-0x0000000005D50000-0x0000000005DC0000-memory.dmp
memory/1608-54-0x0000000000C70000-0x0000000000D9A000-memory.dmp
memory/1608-58-0x0000000000450000-0x000000000045C000-memory.dmp
memory/1608-57-0x0000000004F60000-0x0000000004F61000-memory.dmp
memory/1608-56-0x0000000075AB1000-0x0000000075AB3000-memory.dmp