Analysis
- max time kernel
136s - max time network
127s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
21/01/2022, 14:42
General
- Target 1736e805c60f7caaec02db08e336d788.exe
- Size 708KB
- Sample220121-r21d8aabcl
- SHA256 e0704a694e935943ebadf05fac8e531cef005acab38b99a2e53ac0a101793553
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 4 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\1736e805c60f7caaec02db08e336d788.exe"C:\Users\Admin\AppData\Local\Temp\1736e805c60f7caaec02db08e336d788.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1736e805c60f7caaec02db08e336d788.exe"C:\Users\Admin\AppData\Local\Temp\1736e805c60f7caaec02db08e336d788.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/772-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/772-58-0x0000000000400000-0x000000000043C000-memory.dmp
memory/772-59-0x0000000000400000-0x000000000043C000-memory.dmp
memory/772-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/772-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/772-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/772-64-0x0000000002140000-0x0000000002141000-memory.dmp
memory/772-66-0x0000000002141000-0x0000000002142000-memory.dmp
memory/1680-54-0x0000000076421000-0x0000000076423000-memory.dmp
memory/1680-55-0x0000000004D20000-0x0000000004D21000-memory.dmp
memory/1680-56-0x00000000004A0000-0x00000000004AA000-memory.dmp
memory/1680-57-0x0000000004E60000-0x0000000004ED0000-memory.dmp
memory/1680-53-0x00000000101F0000-0x00000000102A4000-memory.dmp