Analysis
- max time kernel
90s - max time network
45s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
17/11/2022, 12:16
General
- Target obizx.exe
- Size 694KB
- Sample221117-pff3caad4t
- SHA256 7e3966bc5a01dce22464c4e379bf855f4c8b6d531691306151e170f9e82a5c28
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.tac.com.my
-
Port
587
-
Username
-
Password
Bryanlee838
-
Email to
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 3 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\obizx.exe"C:\Users\Admin\AppData\Local\Temp\obizx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\obizx.exe"C:\Users\Admin\AppData\Local\Temp\obizx.exe"2⤵
- 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/1612-54-0x0000000000810000-0x00000000008C4000-memory.dmp
memory/1612-55-0x0000000075091000-0x0000000075093000-memory.dmp
memory/1612-56-0x0000000000480000-0x0000000000498000-memory.dmp
memory/1612-57-0x0000000000280000-0x000000000028C000-memory.dmp
memory/1612-58-0x00000000055A0000-0x0000000005618000-memory.dmp
memory/1612-59-0x0000000000600000-0x000000000063E000-memory.dmp
memory/2040-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2040-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2040-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2040-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2040-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2040-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2040-70-0x0000000000400000-0x000000000043C000-memory.dmp