General

  • Target

    file.exe

  • Size

    432KB

  • Sample

    240607-sqrhlsbc76

  • MD5

    7dc8189f70cc34e18ea7af8fdeac4142

  • SHA1

    8cb698efdf5971e0805dd0f0fb0457315490c777

  • SHA256

    a3608a51db9df14c42f8c6e37ac49969de70b4be0862d82b5823c00aed395f9d

  • SHA512

    9bb17829724af371d383874b8ed4efe09f7f518fa131d68dd02ae0a149b0506f42b2694d7ec9a59b591b28fdcd620b68116e1170cd489b396d294126332e93ac

  • SSDEEP

    6144:+uvXVvZjkQbsWSHZhP2YQih4Qsc14gY8f4en6hZpG+es7SJnXZfGBTaDsj48bR4B:5vdkQbjcps2+8uhAs64TR47EO

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

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

Targets

    • Target

      file.exe

    • Size

      432KB

    • MD5

      7dc8189f70cc34e18ea7af8fdeac4142

    • SHA1

      8cb698efdf5971e0805dd0f0fb0457315490c777

    • SHA256

      a3608a51db9df14c42f8c6e37ac49969de70b4be0862d82b5823c00aed395f9d

    • SHA512

      9bb17829724af371d383874b8ed4efe09f7f518fa131d68dd02ae0a149b0506f42b2694d7ec9a59b591b28fdcd620b68116e1170cd489b396d294126332e93ac

    • SSDEEP

      6144:+uvXVvZjkQbsWSHZhP2YQih4Qsc14gY8f4en6hZpG+es7SJnXZfGBTaDsj48bR4B:5vdkQbjcps2+8uhAs64TR47EO

    • Detect Vidar Stealer

    • 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.

    • 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