Extracted

• • Target

    Umbral.exe

  • Size

    232KB

  • MD5

    9f44ee04168dfa82d6cf3e2d618bc7c5

  • SHA1

    baed535b08c9b48ca13d6a63c0f2a3f5ba144746

  • SHA256

    bb4f17ec844fb9f40753d03c1a1ac29f239b7821295cef98180091b5de173f05

  • SHA512

    41d9bd4c0d6d968dbde2e037798a054c92539be7b4e9fa7eee638ea6a7e1eb7ffb76ad49dd8307139d302ad39104efadf438e2d45936abda944585a69e879bd7

  • SSDEEP

    6144:BloZM+rIkd8g+EtXHkv/iD4Z1LCv8e1mpkni:zoZtL+EP8ZiVi

  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

  • 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