Extracted

• • Target
    #C.exe
  • Size 229KB
  • SHA256 e92b6feab77370f9d17f583a0e3757c00c05a9ba400587e92c292771cf1986d0
  • MD5 d64406eca3c8ba5e5967ed4c7c8d8013
  • SHA1 cefc12c22c4e737d2e60e8326728973ce4fa13cb
  • SHA512 b0ef6ecb0068886defada783dc011a33a72fad651530292c2d9a5d0eeab13f9148ddde63c178549d16fd1ee7a0c8d64c5168f84b95d00f79d44c35bdd41be104
  • SSDEEP 6144:/loZwybCQeWNNjth7gDz3ah/SobxM8KDXqBVa07nIr3Tuuuxp8eFJL3c:9oZ4pWHjAa/SoVM8KDXqBVa07nIrQJY
  • TLSH
    T1DB346C5527BCCF16E65F9FBDD5B0148F8772F103E90AF78E0D8899E81812B01E849A97
  • 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