Overview

overview

10

Static

static

3

fac4b5a9c4...18.exe

windows7-x64

10

fac4b5a9c4...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118
  • Size 1.9MB
  • Sample240419-vmpkysaa98
  • SHA256 d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
webmonitorbackdoorinfostealerrat

Malware Config

Extracted

Family

  • webmonitor

C2

  • niiarmah.wm01.to:443

Attributes
  • config_key

    4EcDHH7aWbl50LayUnuRlJWUXiKQWk0O

  • private_key

    yvkn5wM8E

  • url_path

    /recv5.php

Targets

    • Target
      fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118
    • Size 1.9MB
    • SHA256 d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    webmonitorbackdoorinfostealerrat

    • RevcodeRat, WebMonitorRat

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

      backdoorratinfostealerwebmonitor

    • WebMonitor payload

    • CustAttr .NET packer

      Detects CustAttr .NET packer in memory.

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks