Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source: https://malvuln.com/advisory/44aba241dd3f0d156c6ed82a0ab3a9e1.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln
Threat: Trojan-Ransom.Win32.Hive.bv
Vulnerability: Arbitrary Code Execution
Description: Hive Ransomware will load and execute arbitrary .EXE PE files if a third-party adversary or defender uses the vulnerable naming convention of "vssadmin.exe" or "wmic.exe" and the PE file is placed in the vacinity of Hive Ransomware when it is executed.
Family: Hive
Type: PE64
MD5: 44aba241dd3f0d156c6ed82a0ab3a9e1
Vuln ID: MVID-2022-0636
Disclosure: 09/06/2022
Exploit/PoC:
1) Compile to "vssadmin.exe"
2) Supplying Hive CL credentials e.g. -u <login>:<password>
"vssadmin.c"
#include "windows.h"
#include "tlhelp32.h"
#include "psapi.h"
//Compiled x64
//By Malvuln - 2022
//Purpose: RCE PWN Hive Ransomware
//MD5: 44aba241dd3f0d156c6ed82a0ab3a9e1
/** DISCLAIMER:
Author is NOT responsible for any damages whatsoever by using this software or improper malware
handling. By using this code you assume and accept all risk implied or otherwise.
**/
DWORD getParentPID(DWORD pid){
HANDLE h32 = NULL;
PROCESSENTRY32 pe = {0};
DWORD ppid = 0;
pe.dwSize = sizeof(PROCESSENTRY32);
h32 = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if(Process32First(h32, &pe)){
do{
if (pe.th32ProcessID == pid){
ppid = pe.th32ParentProcessID;
break;
}
} while( Process32Next(h32, &pe));
}
CloseHandle(h32);
return (ppid);
}
int main(void){
DWORD ppid = getParentPID(GetCurrentProcessId());
HANDLE handle = OpenProcess(PROCESS_TERMINATE, FALSE, ppid);
if (NULL != handle) {
TerminateProcess(handle, 0);
CloseHandle(handle);
MessageBox(NULL, "Not the vssadmin.exe you wanted :(\nHive Ransomware PWNED!\n\nBy Malvuln", "Code Execution PoC\n", MB_OK);
}
return 0;
}
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