General

  • Target

    86e575388e355071efce2321d937b50793a353bf8f6cbbcbd7a9305fe293683e

  • Size

    446KB

  • Sample

    240707-kyke9syaqj

  • MD5

    47a4c6547aaa57510c4d02ce8a6ae548

  • SHA1

    a3790a40a319be8eb7c085dbdc2bdbcec4d2fffa

  • SHA256

    86e575388e355071efce2321d937b50793a353bf8f6cbbcbd7a9305fe293683e

  • SHA512

    2a985ede57263ca8b0b4fe22fdcd000bc19fcf2daccf590a797fd7ec0b8303c3f38991a507baa46c3b469b683d00c59a5f6764cd46a31d79b2744a6930f48061

  • SSDEEP

    12288:w23hQpxY3Tf3jnRqQ4CfcjOh5aerlVAgnFDYh//5NyVx:w23qpxYDLRuCHbamTAgnFs//36

Malware Config

Extracted

Family

vidar

C2

https://t.me/bu77un

https://steamcommunity.com/profiles/76561199730044335

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Extracted

Family

lumma

C2

https://benchillppwo.shop/api

Targets

    • Target

      86e575388e355071efce2321d937b50793a353bf8f6cbbcbd7a9305fe293683e

    • Size

      446KB

    • MD5

      47a4c6547aaa57510c4d02ce8a6ae548

    • SHA1

      a3790a40a319be8eb7c085dbdc2bdbcec4d2fffa

    • SHA256

      86e575388e355071efce2321d937b50793a353bf8f6cbbcbd7a9305fe293683e

    • SHA512

      2a985ede57263ca8b0b4fe22fdcd000bc19fcf2daccf590a797fd7ec0b8303c3f38991a507baa46c3b469b683d00c59a5f6764cd46a31d79b2744a6930f48061

    • SSDEEP

      12288:w23hQpxY3Tf3jnRqQ4CfcjOh5aerlVAgnFDYh//5NyVx:w23qpxYDLRuCHbamTAgnFs//36

    • Detect Vidar Stealer

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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