General

  • Target

    skuld.exe

  • Size

    9.8MB

  • Sample

    241017-dcgzpayeqe

  • MD5

    cfe962e1730123425862d3ed1f87357e

  • SHA1

    fdb545123e742f82fdfc6f60b9fb36b7f273e317

  • SHA256

    b823cd4b5f51c2aca5da001c8d9f1a48489ef27370bbf639549913843e1be699

  • SHA512

    f99f3c00a00ec12cbfce9e65508429ba71cd4bd4efa2a48ef7e34e2295c9cfba5322457839723088052f7a91b3653687cdade2aadd8a788a55903fe0a3bacfc4

  • SSDEEP

    98304:ujoGgersz5XxkXX9jKNkeEkRJVEWpJBJZrZ6QmEHr:ujzrszc4NkeE+Jm85mEHr

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1296302322007146567/s26FESYbNgv6dHTRzvf3V4yWoNeWLchott0cNcCquKmuP8BVU-cT-pNPgpIqbVY4_0uW

Targets

    • Target

      skuld.exe

    • Size

      9.8MB

    • MD5

      cfe962e1730123425862d3ed1f87357e

    • SHA1

      fdb545123e742f82fdfc6f60b9fb36b7f273e317

    • SHA256

      b823cd4b5f51c2aca5da001c8d9f1a48489ef27370bbf639549913843e1be699

    • SHA512

      f99f3c00a00ec12cbfce9e65508429ba71cd4bd4efa2a48ef7e34e2295c9cfba5322457839723088052f7a91b3653687cdade2aadd8a788a55903fe0a3bacfc4

    • SSDEEP

      98304:ujoGgersz5XxkXX9jKNkeEkRJVEWpJBJZrZ6QmEHr:ujzrszc4NkeE+Jm85mEHr

    • Skuld stealer

      An info stealer written in Go lang.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

MITRE ATT&CK Enterprise v15

Tasks