Analysis
- max time kernel
96s - max time network
135s - platform
windows10_x64 - resource
win10v20210408 - submitted
24/07/2021, 07:06
General
- Target Required Order Details 0099299.exe
- Size 1.1MB
- Sample210724-9fp1yzvrfa
- SHA256 42ff1648e53d0054bc7c4a5c8a5db648c2a3405415d441c7d5801e52f56bf7a7
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.thts.vn
-
Port
25
-
Username
-
Password
123luongngan1989
Extracted
-
matiex
-
Protocol
smtp
-
Host
mail.thts.vn
-
Port
25
-
Username
-
Password
123luongngan1989
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main Payload 3 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 use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
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
-
C:\Users\Admin\AppData\Local\Temp\Required Order Details 0099299.exe"C:\Users\Admin\AppData\Local\Temp\Required Order Details 0099299.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2268-125-0x0000000000400000-0x0000000000472000-memory.dmp
memory/2268-134-0x0000000006820000-0x0000000006821000-memory.dmp
memory/2268-133-0x0000000005050000-0x00000000050EC000-memory.dmp
memory/2268-132-0x0000000005190000-0x0000000005191000-memory.dmp
memory/3260-119-0x00000000057D0000-0x00000000057D1000-memory.dmp
memory/3260-122-0x0000000007320000-0x000000000734D000-memory.dmp
memory/3260-123-0x0000000009EE0000-0x0000000009F67000-memory.dmp
memory/3260-124-0x0000000009F70000-0x0000000009FE3000-memory.dmp
memory/3260-121-0x0000000005720000-0x0000000005C1E000-memory.dmp
memory/3260-120-0x0000000005870000-0x0000000005871000-memory.dmp
memory/3260-114-0x0000000000CA0000-0x0000000000CA1000-memory.dmp
memory/3260-118-0x0000000005720000-0x0000000005721000-memory.dmp
memory/3260-117-0x0000000005C20000-0x0000000005C21000-memory.dmp
memory/3260-116-0x0000000005680000-0x0000000005681000-memory.dmp