Analysis
- max time kernel
144s - max time network
172s - platform
windows7_x64 - resource
win7v20210410 - submitted
24/07/2021, 07:06
General
- Target Required Order Details 0099299.exe
- Size 1.1MB
- Sample210724-9fp1yzvrfa
- SHA256 42ff1648e53d0054bc7c4a5c8a5db648c2a3405415d441c7d5801e52f56bf7a7
Malware Config
Extracted
-
matiex
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Protocol
smtp
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Host
mail.thts.vn
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Port
25
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Username
-
Password
123luongngan1989
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main Payload 4 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
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Required Order Details 0099299.exe"C:\Users\Admin\AppData\Local\Temp\Required Order Details 0099299.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Required Order Details 0099299.exe"C:\Users\Admin\AppData\Local\Temp\Required Order Details 0099299.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 18163⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/432-66-0x0000000000400000-0x0000000000472000-memory.dmp
memory/432-68-0x0000000000400000-0x0000000000472000-memory.dmp
memory/432-70-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/1712-72-0x00000000007E0000-0x0000000000840000-memory.dmp
memory/1724-60-0x0000000000ED0000-0x0000000000ED1000-memory.dmp
memory/1724-62-0x0000000000570000-0x0000000000571000-memory.dmp
memory/1724-63-0x0000000000370000-0x000000000039D000-memory.dmp
memory/1724-64-0x0000000005E50000-0x0000000005ED7000-memory.dmp
memory/1724-65-0x0000000008DE0000-0x0000000008E53000-memory.dmp