General

  • Target
    713408b1d34e9af57991434b8eeedbb7dd2f82a2f3477a7c4951d380756083e1
  • Size 799KB
  • Sample260819-h4bdfa1vby
  • SHA256 713408b1d34e9af57991434b8eeedbb7dd2f82a2f3477a7c4951d380756083e1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://217.217.97.115/topinmsi.png

Targets

    • Target
      Payment_1.TXT190526.pdf.PNG
    • Size 895KB
    • SHA256 515d1070878b9409f3195f47e4e5dd4fb03bba2a80b78d820871a1acf996793b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Badlisted process makes network request

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Adds Run key to start application

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks