Overview

overview

10

Static

static

3

JaffaCakes...21.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    JaffaCakes118_0ab93260595a476ddcebe9eff5822421
  • Size 1.2MB
  • Sample250528-lkdk8sej5y
  • SHA256 9aa07567f2e2e6043e16468fe70202a51f1e7311853407b5d750ffd910946698
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
webmonitorbackdoordiscoveryinfostealerpersistenceratupx

Malware Config

Extracted

Family

  • webmonitor

C2

  • javalux.wm01.to:443

Attributes
  • config_key

    k3t7WlXfL0LMf0q4v4E3j6y2frxuYo9J

  • private_key

    t4Lfa76Ar

  • url_path

    /recv4.php

Targets

    • Target
      JaffaCakes118_0ab93260595a476ddcebe9eff5822421
    • Size 1.2MB
    • SHA256 9aa07567f2e2e6043e16468fe70202a51f1e7311853407b5d750ffd910946698
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    webmonitorbackdoordiscoveryinfostealerpersistenceratupx

    • 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

    • Webmonitor family

      webmonitor

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks