Extracted

• • Target
    hzam.exe
  • Size 481KB
  • SHA256 e4277ff113713aa2381f58a39b343fece7cefb6abef368b16ac996b5ff08dc23
  • MD5 7a0d6f996d190e1a6dfbe0fa9c6b6ecf
  • SHA1 8b44bbdc9bf73f1b57a13249ae95d3c7e77b82bc
  • SHA512 3c428a449b16d8f6992b3688ace4ede63d67ba8c5895234062c11fe1c39a684cbf431a917544de22e438a72f62f5d46336b8f42243939084fe459f81c2c4eade
  • SSDEEP 12288:8oZtL+EP8yW1xW1pdhgXJeSqtASmnupF6Dlc:0I8yWCB+5e4pBc
  • TLSH
    T1CAA47C1926A8DA03D24F5BBC96E0BB3EC738A3C7F81BE74D4D45D8E83A12B45B944513
  • 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