Analysis
- max time kernel
142s - max time network
119s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
01/05/2022, 23:23
General
- Target 6d6b5d82859c0acb0f0d5635f4acd01ab932b6f0dac01443abd129049096a398.exe
- Size 739KB
- Sample220501-3djmcaahen
- SHA256 6d6b5d82859c0acb0f0d5635f4acd01ab932b6f0dac01443abd129049096a398
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 1 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6d6b5d82859c0acb0f0d5635f4acd01ab932b6f0dac01443abd129049096a398.exe"C:\Users\Admin\AppData\Local\Temp\6d6b5d82859c0acb0f0d5635f4acd01ab932b6f0dac01443abd129049096a398.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⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/908-130-0x0000000000530000-0x00000000005F0000-memory.dmp
memory/908-131-0x0000000004F40000-0x0000000004FD2000-memory.dmp
memory/908-133-0x00000000051C0000-0x00000000051C3000-memory.dmp
memory/3288-134-0x0000000000400000-0x0000000000472000-memory.dmp
memory/3288-135-0x0000000005860000-0x0000000005E04000-memory.dmp
memory/3288-136-0x0000000005350000-0x00000000053EC000-memory.dmp
memory/3288-137-0x00000000053F0000-0x0000000005456000-memory.dmp
memory/3288-138-0x0000000006860000-0x0000000006A22000-memory.dmp
memory/3288-139-0x00000000066F0000-0x00000000066FA000-memory.dmp