General

  • Target

    3fecbdc220344e8240efabe8019c3144ddb03ae7b47848c245d6e1a9eebad742

  • Size

    2.5MB

  • Sample

    240530-2rt5kacf5y

  • MD5

    cd6bd77a01d0837ac3ba90e7024483c3

  • SHA1

    acabdc3b7651d477e61999762877a99d64658033

  • SHA256

    3fecbdc220344e8240efabe8019c3144ddb03ae7b47848c245d6e1a9eebad742

  • SHA512

    e76fe7b68d893ff1c79084fd340b1c984149b9cda27e71d6dc0e9c10a0a498d11f6e91e6612a4d8a754788795ef5f97d319350397d2b5eec928aeee3596601de

  • SSDEEP

    49152:+BX5/0mLBI1JVrJtTF+TxMoxc1TU+j+dAzGRX+:+BX5/0mAttIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      3fecbdc220344e8240efabe8019c3144ddb03ae7b47848c245d6e1a9eebad742

    • Size

      2.5MB

    • MD5

      cd6bd77a01d0837ac3ba90e7024483c3

    • SHA1

      acabdc3b7651d477e61999762877a99d64658033

    • SHA256

      3fecbdc220344e8240efabe8019c3144ddb03ae7b47848c245d6e1a9eebad742

    • SHA512

      e76fe7b68d893ff1c79084fd340b1c984149b9cda27e71d6dc0e9c10a0a498d11f6e91e6612a4d8a754788795ef5f97d319350397d2b5eec928aeee3596601de

    • SSDEEP

      49152:+BX5/0mLBI1JVrJtTF+TxMoxc1TU+j+dAzGRX+:+BX5/0mAttIuoITsdZ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks