General

  • Target

    https://mega.nz/file/PzJyyIha#VNaHZcXyZslIjowHIxHqPJBIE4qtkdh18yqX_r3-oNA

  • Sample

    230828-3d4mhsgf87

Score
10/10

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1143985649888788613/zoyRIm3l4Jki-ES8lYmfu8w6mv3jqVNkYxd7qjbaR_thgksX7b4V3te02L0FLA-bhujr

Targets

    • Target

      https://mega.nz/file/PzJyyIha#VNaHZcXyZslIjowHIxHqPJBIE4qtkdh18yqX_r3-oNA

    Score
    10/10
    • Detect Umbral payload

    • Umbral

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

    • Blocklisted process makes network request

    • Drops file in Drivers directory

    • Executes dropped EXE

    • 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