General

  • Target
    c0822708a2d2b1be0e853e96f1473f44
  • Size 765KB
  • Sample240311-nt3b3abb5x
  • SHA256 381c0425a341144eabce9490808898b95dfeeadb09aa280116eb688b93f3abeb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • webmonitor

C2
  • niiarmah.wm01.to:443

Attributes
  • config_key

    4EcDHH7aWbl50LayUnuRlJWUXiKQWk0O

  • private_key

    yvkn5wM8E

  • url_path

    /recv5.php

Targets

    • Target
      STATEMENT OF ACCOUNT.exe
    • Size 962KB
    • SHA256 77732e74850050bb6f935945e510d32a0499d820fa1197752df8bd01c66e8210
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks