Analysis
- max time kernel
169s - max time network
176s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
14/06/2022, 19:28
General
- Target 2d6bdc4526934ff8ba05addc48061c18b6b4153f0d164f3a9fc88bcb63957334.exe
- Size 1.1MB
- Sample220614-x63m2adfe5
- SHA256 2d6bdc4526934ff8ba05addc48061c18b6b4153f0d164f3a9fc88bcb63957334
Malware Config
Extracted
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matiex
-
Protocol
smtp
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Host
mail.gschofield.com
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Port
587
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Username
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Password
gaston1955
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Email to
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.
- Looks up external IP address via web service 1 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2d6bdc4526934ff8ba05addc48061c18b6b4153f0d164f3a9fc88bcb63957334.exe"C:\Users\Admin\AppData\Local\Temp\2d6bdc4526934ff8ba05addc48061c18b6b4153f0d164f3a9fc88bcb63957334.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\HvIsqP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9EE.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\2d6bdc4526934ff8ba05addc48061c18b6b4153f0d164f3a9fc88bcb63957334.exe"C:\Users\Admin\AppData\Local\Temp\2d6bdc4526934ff8ba05addc48061c18b6b4153f0d164f3a9fc88bcb63957334.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp9EE.tmp
memory/968-130-0x00000000001E0000-0x0000000000306000-memory.dmp
memory/968-131-0x0000000004C70000-0x0000000004D0C000-memory.dmp
memory/968-132-0x0000000005360000-0x0000000005904000-memory.dmp
memory/968-133-0x0000000004E50000-0x0000000004EE2000-memory.dmp
memory/968-134-0x0000000004D40000-0x0000000004D4A000-memory.dmp
memory/968-135-0x0000000004FE0000-0x0000000005036000-memory.dmp
memory/2044-139-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2044-140-0x0000000005110000-0x0000000005176000-memory.dmp