BuilderOrcus malware suffers from an insecure permissions vulnerability.
Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source: https://malvuln.com/advisory/cc3670f1b3e60e00b43c86d787563a44.txt
Contact: [email protected]
Threat: BuilderOrcus (Orcus.Administration-cracked.exe)
Vulnerability: Insecure Permissions
Description: When building backdoor servers, the malware writes PE files with insecure permissions to c drive granting change (C) permissions to the authenticated user group. Standard users can rename the executable dropped by the malware to disable it or replace it with their own executable. Then wait for a privileged user to logon to the infected machine to potentially escalate privileges.
Vuln ID: MVID-2022-0515
NT AUTHORITYAuthenticated Users:(ID)C
Volume in drive C has no label.
Directory of C:
03/15/2022 11:40 PM 3,366,040 Orcus.Server.exe
1 File(s) 3,366,040 bytes
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