General

  • Target

    ea419643de9a10a418292f1603f86bab0942f436af5e7a8309351ce552e68d2b

  • Size

    365KB

  • Sample

    220725-cwjf7abahl

  • MD5

    af76619743662c5e9ccfaa1f940b8354

  • SHA1

    bf8e2c7b4a84ca177d7ae9c4ba6155d2dbc74b38

  • SHA256

    ea419643de9a10a418292f1603f86bab0942f436af5e7a8309351ce552e68d2b

  • SHA512

    be9eaaadc9cf5509e301c9908e555b2ac0dbf984aede52545a78b98ce459f222050e1d0fc01aa4afdca275d921f79c972b325de55a9d91285c1298e6b5291373

Malware Config

Extracted

Family

webmonitor

C2

primeservers1.wm01.to:443

Attributes
  • config_key

    AP8PrfNym8htAX0Za6LL12tdOuH5BSPp

  • private_key

    U6yRoBXHU

  • url_path

    /recv5.php

Targets

    • Target

      ea419643de9a10a418292f1603f86bab0942f436af5e7a8309351ce552e68d2b

    • Size

      365KB

    • MD5

      af76619743662c5e9ccfaa1f940b8354

    • SHA1

      bf8e2c7b4a84ca177d7ae9c4ba6155d2dbc74b38

    • SHA256

      ea419643de9a10a418292f1603f86bab0942f436af5e7a8309351ce552e68d2b

    • SHA512

      be9eaaadc9cf5509e301c9908e555b2ac0dbf984aede52545a78b98ce459f222050e1d0fc01aa4afdca275d921f79c972b325de55a9d91285c1298e6b5291373

    • 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

    • UPX packed file

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

    • 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.

MITRE ATT&CK Enterprise v6

Tasks