Resubmissions

24/09/2021, 14:18

210924-rmb33shbfl10

23/09/2021, 13:46

210923-q2y1qaedfr10

17/09/2021, 17:02

210917-vj9fysgab610

General

  • Target
    9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e
  • Size 360KB
  • Sample210923-q2y1qaedfr
  • SHA256 9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • webmonitor

C2
  • restrep0.wm01.to:443

Attributes
  • config_key

    rmGRTTf00SgxCRDiG5pe71nlU5TxVucQ

  • private_key

    7geUgzWms

  • url_path

    /recv4.php

Targets

    • Target
      9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e
    • Size 360KB
    • SHA256 9bbd49dbf0098e342cbb8935f8f40c92a395d45c04ef00f5df08b6953e30ca9e
    • MD5 SHA1 SHA512
    • RevcodeRat, WebMonitorRat

      WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

    • WebMonitor Payload

    • suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup

      suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks