Analysis by: Rheniel Rhay Ramos

ALIASES:

Exploit.Spectre.POC (Malwarebytes); Mal/Spectre-A (Sophos)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Exploit

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Canal de infección Dropped by other malware, Downloaded from the Internet

This Exploit arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

Tamaño del archivo 46,666 bytes
Residente en memoria No
Fecha de recepción de las muestras iniciales 14 Jan 2018
Carga útil Exploits vulnerability

Arrival Details

This Exploit arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This Exploit does the following:

  • It loads the following string into the memory then uses the exploit to read and display the string via a console:
    • African Agriculture requires Jinkela!!!!

It takes advantage of the following vulnerabilities:

NOTES:

This is the Trend Micro detection for the proof of concept (POC) sample of CVE-2017-5753.

  SOLUTION

Motor de exploración mínimo 9.850
Primer archivo de patrones de VSAPI 13.914.08
Primera fecha de publicación de patrones de VSAPI 15 Jan 2018
Versión de patrones OPR de VSAPI 13.915.00
Fecha de publicación de patrones OPR de VSAPI 16 Jan 2018

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and terminate files detected as TROJ_CVE20175753.POC

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_CVE20175753.POC. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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