General

  • Target

    Xeno.exe

  • Size

    229KB

  • Sample

    250216-eaa9ss1ldz

  • MD5

    1999cce696ac4c8617e3519ef540e324

  • SHA1

    c110150a899dfcf2e592c3fd9d503231e939a55b

  • SHA256

    41212cbe75d045d77235d95714043e556c6b758511642f84555e163348d38043

  • SHA512

    fe5da03504c14e3dd78568e9390bef87aeea3ccb45600648ad4476d7f1d61d235c8887b656a3c708885d1c16846030e37b02466e9d74f96caf1a73e3241693a3

  • SSDEEP

    6144:9loZMNrIkd8g+EtXHkv/iD4gD6xOsTPkPFQu//OtPb8e1mQi:foZmL+EP8gD6xOsTPkPFQu//ONq

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1294468521467576342/ORWyYWdods8IXNIMSZjyhQqxXU9d17uJxyTKOeHEqKW9lFFxG9aIn09BZwbrXQsn2cjn

Targets

    • Target

      Xeno.exe

    • Size

      229KB

    • MD5

      1999cce696ac4c8617e3519ef540e324

    • SHA1

      c110150a899dfcf2e592c3fd9d503231e939a55b

    • SHA256

      41212cbe75d045d77235d95714043e556c6b758511642f84555e163348d38043

    • SHA512

      fe5da03504c14e3dd78568e9390bef87aeea3ccb45600648ad4476d7f1d61d235c8887b656a3c708885d1c16846030e37b02466e9d74f96caf1a73e3241693a3

    • SSDEEP

      6144:9loZMNrIkd8g+EtXHkv/iD4gD6xOsTPkPFQu//OtPb8e1mQi:foZmL+EP8gD6xOsTPkPFQu//ONq

    • 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.

    • Downloads MZ/PE file

    • 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