General

  • Target

    stealer-campaigns.zip

  • Size

    11.8MB

  • Sample

    240614-wtej1a1ela

  • MD5

    097972703f279cfccd4ddd533e972ca2

  • SHA1

    f064cb3f3ba19697a15e4a50e2d6c7253d03d27d

  • SHA256

    81866eb069ec59cdd5f41ddced9fab388962045ab1d67b2532985ff137da839c

  • SHA512

    3bba1bcb5d013a3464fed264c0703ff6ad12c71999f0cd2deb1ba6af6b64b56fb35bd35a5bc38135ee7cffc62624b7fbefc97b10e2f78ec052932a52da46cdb8

  • SSDEEP

    196608:dLlKS77IytThWWNl8BXFa5uwz2wR/E60NSBOvtoYIKNLj+LoA/nRWKrRu0vkHUOR:1YS77IIThK8E6KSSbIKN3nynRWKrRuJV

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/memve4erin

https://steamcommunity.com/profiles/76561199699680841

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      stealer-campaigns.zip

    • Size

      11.8MB

    • MD5

      097972703f279cfccd4ddd533e972ca2

    • SHA1

      f064cb3f3ba19697a15e4a50e2d6c7253d03d27d

    • SHA256

      81866eb069ec59cdd5f41ddced9fab388962045ab1d67b2532985ff137da839c

    • SHA512

      3bba1bcb5d013a3464fed264c0703ff6ad12c71999f0cd2deb1ba6af6b64b56fb35bd35a5bc38135ee7cffc62624b7fbefc97b10e2f78ec052932a52da46cdb8

    • SSDEEP

      196608:dLlKS77IytThWWNl8BXFa5uwz2wR/E60NSBOvtoYIKNLj+LoA/nRWKrRu0vkHUOR:1YS77IIThK8E6KSSbIKN3nynRWKrRuJV

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Sets file execution options in registry

    • Stops running service(s)

    • Executes dropped EXE

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks