Analysis
- max time kernel
106s - max time network
113s - platform
windows10_x64 - resource
win10v200722 - submitted
12/10/2020, 05:59
General
- Target invoice _25280.exe
- Size 739KB
- Sample201012-mbkjs92m4e
- SHA256 f0b8f39cd0fd0a840db7c970362e5bd1e48600c341a97ffd1f742ea37f561bd8
Malware Config
Extracted
-
matiex
-
Protocol
smtp
-
Host
ebop.website
-
Port
587
-
Username
-
Password
P@ssw0rdP@ssw0rd
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main Payload 2 IoCs
- 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 3 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 behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe"C:\Users\Admin\AppData\Local\Temp\invoice _25280.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1052-0-0x0000000073A00000-0x00000000740EE000-memory.dmp
memory/1052-1-0x00000000000E0000-0x00000000000E1000-memory.dmp
memory/1052-3-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
memory/1052-4-0x00000000051D0000-0x0000000005243000-memory.dmp
memory/4064-6-0x0000000000400000-0x0000000000472000-memory.dmp
memory/4064-8-0x00000000739F0000-0x00000000740DE000-memory.dmp
memory/4064-11-0x0000000005AD0000-0x0000000005AD1000-memory.dmp
memory/4064-12-0x0000000005670000-0x0000000005671000-memory.dmp
memory/4064-13-0x0000000005710000-0x0000000005711000-memory.dmp
memory/4064-15-0x0000000006DF0000-0x0000000006DF1000-memory.dmp
memory/4064-16-0x0000000007210000-0x0000000007211000-memory.dmp