Overview

overview

10

Static

static

10

Nowatermarks.exe

windows10-1703-x64

10

Sharing

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General

  • Target
    Nowatermarks.temp
  • Size 229KB
  • Sample240809-wjp8ratcnp
  • SHA256 1e94a2848737d3fe8046f4dabcfe94c250be5085802edce428e4dd271f459a19
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
umbralcredential_accessdiscoveryexecutionspywarestealer

Malware Config

Extracted

Family

  • umbral

C2

  • https://discord.com/api/webhooks/1271195767931146271/iNqcQXHndflroU3wKuHImLpW56jZ6ZCv7xkqHYGTn6YCeSATY-dipTigRMDm-yI4L0v7

Targets

    • Target
      Nowatermarks.temp
    • Size 229KB
    • SHA256 1e94a2848737d3fe8046f4dabcfe94c250be5085802edce428e4dd271f459a19
    • MD5 SHA1 SHA512 SSDEEP
    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

      Using powershell.exe command.

      execution

    • 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.

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks