Extracted

• • Target
    secretscreen.scr
  • Size 239KB
  • SHA256 69fa8523869a325f41bdc149771cee3dd775d6af8f793ae5d00a3d27d96211b0
  • MD5 90dcbd10834ea4941c4783c6176b36c1
  • SHA1 2d8a9b5f2d0800b61a712f46ebf0d875d0d0e359
  • SHA512 1d67fd52e33a6b6cecd6dbad97cada3dff05383aa81db16c4dfc995db36d0a3dfe90cfa4fe32324335f7e9b0daa24bfc40efd42b63f7b8af1e0a546cb6c15607
  • SSDEEP 6144:nloZMl9EB1/SqctonEPfCqAnhe4C0b7IhN8aHHKvvj8e1m1C8s:loZvdSqcwvnhe4C0b7IhN8aHHKvD78s
  • TLSH
    T102346C5833B88B17F26F8BBDD5B1549F87B1F103E90AF78E0C8895E82421742E949E57
  • 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

  • Drops file in Drivers directory

  • 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

  • Contacts third-party web service commonly abused for C2

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

  • Looks up external IP address via web service

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

    discovery
  behavioral1behavioral2