Extracted

• • Target
    CipherMasonry.exe
  • Size 587KB
  • SHA256 2f632a6e901b44546072bf396d3da266b30c3723cf2d8f7a9762fa33801a0103
  • MD5 1d4d857f702815cac6b1d5f5bd76a3db
  • SHA1 e3e248cd19b60c36421464d83498c34c85562d0b
  • SHA512 85f438c60a1c77c1a2f608560224164ee85517fc28a661b25d7845e5f3374d990f40928dd1a42178063a37d83c131fc8a780191088c35e0c2000e985761f0938
  • SSDEEP 12288:xoZtL+EP8cgZgsyVtGkTOMdRY5b2vBtr:vI8lZgsyVtGkTOMdRY5yvBtr
  • TLSH
    T134D4F680729AC662F69F5B38546249FA8772BE07ED19F35E2C44F7AD29733C16407A03
  • 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

    Using powershell.exe command.

    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