Analysis
- max time kernel
142s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
03/05/2022, 20:18
General
- Target 4797508E2-20F2-42C-879A-1C35.exe
- Size 628KB
- Sample220503-y3deeabgc8
- SHA256 bc3d62c45c60396f1896ca688f72acc91af5412bedd3d1c7ec3f6b1e3891f198
Score
10/10
Malware Config
Extracted
Family
-
matiex
C2
-
https://api.telegram.org/bot1395392888:AAFrJovDdZICOFB0gX0eGWrAUzEKCRpv8xo/sendMessage?chat_id=1300181783
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main Payload 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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
- Program crash 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\4797508E2-20F2-42C-879A-1C35.exe"C:\Users\Admin\AppData\Local\Temp\4797508E2-20F2-42C-879A-1C35.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 348 -s 25483⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 348 -ip 3481⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/348-132-0x0000000000400000-0x0000000000476000-memory.dmp
memory/348-133-0x0000000005530000-0x00000000055CC000-memory.dmp
memory/348-134-0x0000000005490000-0x00000000054F6000-memory.dmp
memory/348-135-0x0000000006880000-0x0000000006E24000-memory.dmp
memory/4844-130-0x0000000000920000-0x0000000000955000-memory.dmp