General

  • Target

    e510da3919bd636fcc0b09a3f00355175b660761fe0481809a8cef06d305f553

  • Size

    365KB

  • Sample

    220524-t6882ahgg4

  • MD5

    7bb890fdf757f2dca62acdfb2bb26ff9

  • SHA1

    7fba93d7d5fe0250e736675a7ce85c6129341de6

  • SHA256

    e510da3919bd636fcc0b09a3f00355175b660761fe0481809a8cef06d305f553

  • SHA512

    6021fab5a5ff2d10df93173c3fbfbbe64bed1bc15bcf3958c5bc152eb3fcd7b1fde7baac97cd52a1cb5cd75bbb94d6f09bb6dcc8bb694e048d3c95eff32048bb

Malware Config

Extracted

Family

webmonitor

C2

windowsupdate.wm01.to:443

Attributes
  • config_key

    wZ6IsN5IRQCrkMvW3mZxQ6qbw1Dn0lor

  • private_key

    TwtUbBqhf

  • url_path

    /recv5.php

Targets

    • Target

      e510da3919bd636fcc0b09a3f00355175b660761fe0481809a8cef06d305f553

    • Size

      365KB

    • MD5

      7bb890fdf757f2dca62acdfb2bb26ff9

    • SHA1

      7fba93d7d5fe0250e736675a7ce85c6129341de6

    • SHA256

      e510da3919bd636fcc0b09a3f00355175b660761fe0481809a8cef06d305f553

    • SHA512

      6021fab5a5ff2d10df93173c3fbfbbe64bed1bc15bcf3958c5bc152eb3fcd7b1fde7baac97cd52a1cb5cd75bbb94d6f09bb6dcc8bb694e048d3c95eff32048bb

    • RevcodeRat, WebMonitorRat

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

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

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks