Analysis
- max time kernel
168s - max time network
166s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
07/03/2022, 12:02
General
- Target 5da5578035df5cd6d4853b66f68e1a1c1f074da1b1f90fc2282f5694cffa8d0e.exe
- Size 463KB
- Sample220307-n7jf4seca5
- SHA256 5da5578035df5cd6d4853b66f68e1a1c1f074da1b1f90fc2282f5694cffa8d0e
Malware Config
Extracted
-
matiex
-
Protocol
smtp
-
Host
srvc13.turhost.com
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Port
587
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Username
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Password
italik2015
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main Payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5da5578035df5cd6d4853b66f68e1a1c1f074da1b1f90fc2282f5694cffa8d0e.exe"C:\Users\Admin\AppData\Local\Temp\5da5578035df5cd6d4853b66f68e1a1c1f074da1b1f90fc2282f5694cffa8d0e.exe"1⤵
- Checks computer location settings
- 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\NjIKDYqFyXTnrv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7BB.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\5da5578035df5cd6d4853b66f68e1a1c1f074da1b1f90fc2282f5694cffa8d0e.exe"{path}"2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1728-130-0x0000000000770000-0x00000000007EA000-memory.dmp
memory/1728-131-0x0000000005650000-0x0000000005BF4000-memory.dmp
memory/1728-132-0x0000000005190000-0x0000000005222000-memory.dmp
memory/1728-133-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/1728-134-0x0000000005240000-0x000000000524A000-memory.dmp
memory/1728-135-0x00000000050A0000-0x0000000005644000-memory.dmp
memory/1728-136-0x0000000007BA0000-0x00000000080CC000-memory.dmp
memory/1728-137-0x0000000007710000-0x00000000077AC000-memory.dmp
memory/4968-139-0x0000000000400000-0x0000000000476000-memory.dmp
memory/4968-141-0x0000000074F90000-0x0000000075740000-memory.dmp