General

  • Target

    Xeno Download.exe

  • Size

    229KB

  • Sample

    250125-aaf3tsvqey

  • MD5

    d169733718ec2e0628998cd2ff4129bd

  • SHA1

    a0432e4599294b23f0718d022e6ba9fb8db64848

  • SHA256

    9dd9444520d24834eb16856511f1fb78453bc0f1bcdcddf10d126ee3c62794fe

  • SHA512

    511921b3d11f0103d135185877a064dd8dc3d67b8943fdae5db8626081823c2fc8bc4c992b0100dd2402624edfe07e894cedd60a7e62111da342e81578055a7b

  • SSDEEP

    6144:tloZM+rIkd8g+EtXHkv/iD4SNd4W0b3clNImHHmCzb8e1miMi:voZtL+EP8SNd4W0b3clNImHHmwH

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1331365637548675125/0n_cuuPBGv62lN6VZ1gpaNRheP8Tf7Ogy_2xI2aQ1XiVSbRxA2ra_2Kd_Zaszby4SxAf

Targets

    • Target

      Xeno Download.exe

    • Size

      229KB

    • MD5

      d169733718ec2e0628998cd2ff4129bd

    • SHA1

      a0432e4599294b23f0718d022e6ba9fb8db64848

    • SHA256

      9dd9444520d24834eb16856511f1fb78453bc0f1bcdcddf10d126ee3c62794fe

    • SHA512

      511921b3d11f0103d135185877a064dd8dc3d67b8943fdae5db8626081823c2fc8bc4c992b0100dd2402624edfe07e894cedd60a7e62111da342e81578055a7b

    • SSDEEP

      6144:tloZM+rIkd8g+EtXHkv/iD4SNd4W0b3clNImHHmCzb8e1miMi:voZtL+EP8SNd4W0b3clNImHHmwH

    • Detect Umbral payload

    • Umbral

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

    • Umbral family

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • Reads user/profile data of web browsers

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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks