Analysis
- max time kernel
109s - max time network
113s - platform
windows10_x64 - resource
win10v20201028 - submitted
02/03/2021, 07:54
General
- Target actualizacion de costos.exe
- Size 596KB
- Sample210302-vtajzzapas
- SHA256 fbaf36182e0d3afd99d5011875de4f9d2afd1c8272824c0977a689a72e475720
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.maccinox.com
-
Port
587
-
Username
-
Password
peru2016
Signatures
- 404 Keylogger
Information stealer and keylogger first seen in 2019.
- 404 Keylogger Main Executable 2 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.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\actualizacion de costos.exe"C:\Users\Admin\AppData\Local\Temp\actualizacion de costos.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\actualizacion de costos.exe"C:\Users\Admin\AppData\Local\Temp\actualizacion de costos.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/752-23-0x00000000068A0000-0x00000000068A1000-memory.dmp
memory/752-22-0x00000000061E0000-0x00000000061E1000-memory.dmp
memory/752-21-0x0000000005430000-0x0000000005431000-memory.dmp
memory/752-16-0x00000000739A0000-0x000000007408E000-memory.dmp
memory/752-13-0x0000000000400000-0x0000000000422000-memory.dmp
memory/3108-7-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
memory/3108-11-0x0000000004F00000-0x0000000004F01000-memory.dmp
memory/3108-12-0x0000000005810000-0x0000000005855000-memory.dmp
memory/3108-10-0x0000000002870000-0x0000000002877000-memory.dmp
memory/3108-9-0x0000000004F10000-0x0000000004F11000-memory.dmp
memory/3108-8-0x0000000002860000-0x0000000002861000-memory.dmp
memory/3108-2-0x00000000739A0000-0x000000007408E000-memory.dmp
memory/3108-6-0x0000000005310000-0x0000000005311000-memory.dmp
memory/3108-5-0x0000000004C40000-0x0000000004C41000-memory.dmp
memory/3108-3-0x0000000000310000-0x0000000000311000-memory.dmp