General

  • Target
    Yuvo Installer 1.0.0.exe
  • Size 72.1MB
  • Sample260820-yxs8nsfe93
  • SHA256 3e5bdcefd1ed4634681dc4c56dbd99757598f16805ad89faaf767896fc135b87
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Yuvo Installer 1.0.0.exe
    • Size 72.1MB
    • SHA256 3e5bdcefd1ed4634681dc4c56dbd99757598f16805ad89faaf767896fc135b87
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks