Analysis
- max time kernel
149s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/12/2023, 20:37
General
- Target 3bcae8c41a076a0803c99fea75f2aa87.exe
- Size 1.1MB
- Sample231225-zedwpscac3
- SHA256 42ff1648e53d0054bc7c4a5c8a5db648c2a3405415d441c7d5801e52f56bf7a7
Malware Config
Extracted
-
matiex
-
Protocol
smtp
-
Host
mail.thts.vn
-
Port
25
-
Username
-
Password
123luongngan1989
-
Email to
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 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 use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3bcae8c41a076a0803c99fea75f2aa87.exe"C:\Users\Admin\AppData\Local\Temp\3bcae8c41a076a0803c99fea75f2aa87.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3bcae8c41a076a0803c99fea75f2aa87.exe"C:\Users\Admin\AppData\Local\Temp\3bcae8c41a076a0803c99fea75f2aa87.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 3240 -s 20523⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3240 -ip 32401⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3240-13-0x0000000000400000-0x0000000000472000-memory.dmp
memory/3240-21-0x0000000005320000-0x0000000005330000-memory.dmp
memory/3240-20-0x0000000074D40000-0x00000000754F0000-memory.dmp
memory/3240-19-0x0000000006C70000-0x0000000006E32000-memory.dmp
memory/3240-18-0x0000000005320000-0x0000000005330000-memory.dmp
memory/3240-17-0x0000000005280000-0x00000000052E6000-memory.dmp
memory/3240-14-0x0000000074D40000-0x00000000754F0000-memory.dmp
memory/3824-5-0x0000000005450000-0x0000000005460000-memory.dmp
memory/3824-6-0x00000000051B0000-0x00000000051BA000-memory.dmp
memory/3824-9-0x0000000005450000-0x0000000005460000-memory.dmp
memory/3824-10-0x00000000065E0000-0x0000000006616000-memory.dmp
memory/3824-11-0x0000000000FD0000-0x000000000105E000-memory.dmp
memory/3824-12-0x00000000066B0000-0x0000000006728000-memory.dmp
memory/3824-7-0x00000000053F0000-0x0000000005446000-memory.dmp
memory/3824-8-0x0000000074D40000-0x00000000754F0000-memory.dmp
memory/3824-0-0x0000000074D40000-0x00000000754F0000-memory.dmp
memory/3824-16-0x0000000074D40000-0x00000000754F0000-memory.dmp
memory/3824-4-0x0000000005220000-0x00000000052B2000-memory.dmp
memory/3824-3-0x0000000005730000-0x0000000005CD4000-memory.dmp
memory/3824-2-0x0000000005090000-0x000000000512C000-memory.dmp
memory/3824-1-0x0000000000600000-0x000000000071C000-memory.dmp