Analysis
- max time kernel
149s - max time network
155s - platform
windows7_x64 - resource
win7-20220414-en - submitted
18/04/2022, 12:53
General
- Target 3345b3680b62996cf0e617dca35459ba8cadd9eacc0cfce472c96e4e2bf1b2ab.exe
- Size 811KB
- Sample220418-p4n3vsgbeq
- SHA256 3345b3680b62996cf0e617dca35459ba8cadd9eacc0cfce472c96e4e2bf1b2ab
Malware Config
Extracted
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matiex
-
Protocol
smtp
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Host
mail.salujaford.in
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Port
587
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Username
-
Password
saluja@#$chd
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main Payload 6 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3345b3680b62996cf0e617dca35459ba8cadd9eacc0cfce472c96e4e2bf1b2ab.exe"C:\Users\Admin\AppData\Local\Temp\3345b3680b62996cf0e617dca35459ba8cadd9eacc0cfce472c96e4e2bf1b2ab.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aHjTIpAw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC2D3.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\3345b3680b62996cf0e617dca35459ba8cadd9eacc0cfce472c96e4e2bf1b2ab.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpC2D3.tmp
memory/1220-64-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1220-59-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1220-60-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1220-62-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1220-63-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1220-67-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1220-69-0x0000000000400000-0x0000000000476000-memory.dmp
memory/1844-56-0x00000000055F0000-0x00000000056E2000-memory.dmp
memory/1844-55-0x00000000003C0000-0x00000000003DE000-memory.dmp
memory/1844-54-0x0000000001100000-0x00000000011D2000-memory.dmp