Extracted

• • Target
    Stealer-Server.exe
  • Size 229KB
  • SHA256 bbaa9a6fb3a3368755f9f77771c4326d89209caf29ab4089f3e172e4d54aa63b
  • MD5 5f755143ec6c96bf5fbc2046b4982c6f
  • SHA1 c91bf978749eab27b3083854ef979a40bfb5ef68
  • SHA512 5201c43e74f83d019fa07343ca38e7fe8cc33e70750dc44140d496c994719d3b1614bc2b5532e801a2739828231519d3e9e43be86234c09200f87edace81feca
  • SSDEEP 6144:lloZMNrIkd8g+EtXHkv/iD4+Y9v0ad1+L7mEl5QSIb8e1mNwoi:noZmL+EP8+Y9v0ad1+L7mEl5Q3/R
  • TLSH
    T14E346C5933B88F17E25F8BBED5B1158F87B1F103E90AF78E0C8895E82411B42E949E57
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  defense_evasiondiscoveryexecutionumbralspywarestealer

  • Detects Umbral payload

  • Family: Umbral

    Umbral stealer is an open-source modular stealer written in C#.

    stealerumbral

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Disables one or more Microsoft Defender components

    Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    defense_evasion

  • Disables automatic submission of suspicious files to Microsoft by Windows Defender

    Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

    defense_evasion

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  behavioral1