General

  • Target

    2e5e87e2a5336e6d41b03a70c5dd8ae7cbe459d6642d42414906c95c8de0463f

  • Size

    664KB

  • Sample

    220222-ja4cssfbgj

  • MD5

    d70e0374668e637143033871c188e611

  • SHA1

    b139aae87bbebce9b4f30b34488e5725e5f2d9f4

  • SHA256

    2e5e87e2a5336e6d41b03a70c5dd8ae7cbe459d6642d42414906c95c8de0463f

  • SHA512

    c76e5c47dff15dcdf65504d85bbdb59292be24ba3d9eadb6ac4f191fc87b41769854a4e1a4bf7c7478ca433ed36b4245def44b7dc9176baaf3f7163c8495756d

Malware Config

Extracted

Family

webmonitor

C2

mukor.wm01.to:443

Attributes
  • config_key

    zOjouFvoVpF6QWsmVHlIAw7Ge07Wx6SW

  • private_key

    dOhdo7byI

  • url_path

    /recv5.php

Targets

    • Target

      2e5e87e2a5336e6d41b03a70c5dd8ae7cbe459d6642d42414906c95c8de0463f

    • Size

      664KB

    • MD5

      d70e0374668e637143033871c188e611

    • SHA1

      b139aae87bbebce9b4f30b34488e5725e5f2d9f4

    • SHA256

      2e5e87e2a5336e6d41b03a70c5dd8ae7cbe459d6642d42414906c95c8de0463f

    • SHA512

      c76e5c47dff15dcdf65504d85bbdb59292be24ba3d9eadb6ac4f191fc87b41769854a4e1a4bf7c7478ca433ed36b4245def44b7dc9176baaf3f7163c8495756d

    • 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

    • Checks computer location settings

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks