Extracted

• • Target

    nitrosnipr.exe

  • Size

    229KB

  • MD5

    0dcc2299f5e6a41c04593b9e1d8fb825

  • SHA1

    6d5b2580da6616d958f721c82241b52821dac5a1

  • SHA256

    a820aa027bed73820a45f380eb8858bc6c24dcce2ed9bc2bfdc4b7ecc54ba7e7

  • SHA512

    f6553276f07988aae7a7232c3f98447a7883f1b87c1a85955909e7374d8cd4bd08b923395283c0115d5cb123f287f3938d02c2700ccd264ae78f9f771df35920

  • SSDEEP

    6144:tloZM+rIkd8g+EtXHkv/iD40H9txd58e1mUtbi:voZtL+EP8MHxDnM

  Score

  10^/10

  umbralcredential_accessdiscoveryexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Drops file in Drivers directory

  • Deletes itself

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

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

  behavioral1behavioral2