Backdoor.Win32.Guptachar.20 malware suffers from an insecure credential storage vulnerability.
Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source: https://malvuln.com/advisory/857999d2306f257b80d1b8f6a51ae8b0.txt
Contact: [email protected]
Vulnerability: Insecure Credential Storage
Description: The malware runs a web server on TCP port 2015 (default) and uses BASIC authentication. The credentials "hacker01:imchampgr8" get stored in a .NFO information file named "GPTCR.NFO" under Windows dir base64 encoded and hidden among many junk NULL bytes.
Vuln ID: MVID-2022-0631
Dropped files: GPTCR2.exe
Web URLs available on the infected host.
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