Overview

overview

10

Static

static

1

18042026_1...pdf.js

windows10-2004-x64

8

18042026_1...pdf.js

windows11-21h2-x64

10

Sharing

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General

  • Target
    18042026_1558_17042026_20240108-051513-451604_Merge_453720.pdf.js.xz
  • Size 1.2MB
  • Sample260418-tekflacx3p
  • SHA256 5514f3a35a151cfcf4792a0b77f84c50a09f277845690979b860100f12a74660
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
formbookadwarediscoveryexecutionpersistenceratspywarestealertrojan

Malware Config

Targets

    • Target
      18042026_1558_17042026_20240108-051513-451604_Merge_453720.pdf.js
    • Size 2.0MB
    • SHA256 2bec28d8646a16ac1481603d33ebb7ed0f2b0d1ef7ce7fad484c71d720950234
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    executionpersistenceadwarediscoveryformbookratspywarestealertrojan

    • Family: Formbook

      Formbook is a data stealing malware which is capable of stealing data.

      trojanspywarestealerformbook

    • Formbook payload

      rat

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Drops startup file

    • Adds Run key to start application

      persistence

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks