General

  • Target
    Solara.exe
  • Size 253KB
  • Sample240709-mmmgla1gre
  • SHA256 7103785c72f15bc66849b927bb9b0030c2a8383a8f71cd4308b0b42055d8d467
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • umbral

C2
  • https://discord.com/api/webhooks/1260178339398684763/vrimjbksRiAdnQJhpf4RiMhDKhDPxfoJKYZ-ILxv3PIxTVVzEhCZeqgCy8f3wVpGOLPx

Targets

    • Target
      Solara.exe
    • Size 253KB
    • SHA256 7103785c72f15bc66849b927bb9b0030c2a8383a8f71cd4308b0b42055d8d467
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Umbral payload

    • Umbral

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

    • 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