Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
26/04/2023, 13:19
General
- Target New Order_pdf.exe
- Size 544KB
- Sample230426-qkhbmsbd9w
- SHA256 55618071bd4c2f58f8144be8ae2ef40df68f07d7a6cfc5b0e2db1b7f6a57846d
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.nereus.cl
-
Port
587
-
Username
-
Password
0uF)jGjrEGiu
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.nereus.cl
-
Port
587
-
Username
-
Password
0uF)jGjrEGiu
-
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
- Adds Run key to start application 2 TTPs 1 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\New Order_pdf.exe"C:\Users\Admin\AppData\Local\Temp\New Order_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\New Order_pdf.exe"C:\Users\Admin\AppData\Local\Temp\New Order_pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
New Order_pdf.exe.log
memory/1208-139-0x0000000006E90000-0x0000000006F2C000-memory.dmp
memory/1208-135-0x00000000050D0000-0x0000000005162000-memory.dmp
memory/1208-136-0x0000000005180000-0x000000000518A000-memory.dmp
memory/1208-137-0x0000000005310000-0x0000000005320000-memory.dmp
memory/1208-138-0x0000000005310000-0x0000000005320000-memory.dmp
memory/1208-133-0x00000000006C0000-0x000000000074E000-memory.dmp
memory/1208-134-0x0000000005790000-0x0000000005D34000-memory.dmp
memory/2472-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2472-143-0x00000000055E0000-0x0000000005646000-memory.dmp
memory/2472-144-0x0000000005650000-0x0000000005660000-memory.dmp
memory/2472-147-0x00000000072D0000-0x0000000007320000-memory.dmp
memory/2472-148-0x00000000074F0000-0x00000000076B2000-memory.dmp
memory/2472-155-0x0000000005650000-0x0000000005660000-memory.dmp