General

  • Target

    32d0ae27d9ae49a224785cd08bae82b0ec4e944145cb2f106873f70fc2908fe7.exe

  • Size

    207KB

  • Sample

    240917-bg25bayfln

  • MD5

    b1394501c618f78b74c3ca0c2d81a33b

  • SHA1

    73707a6facef7e1750fb6d47f3aa840558b17a30

  • SHA256

    32d0ae27d9ae49a224785cd08bae82b0ec4e944145cb2f106873f70fc2908fe7

  • SHA512

    0b3aff6484ee73136fd3bf36afad78f126e520b599def3c76b2e83e150fc919d484fd18d7bce0e006abae554db50ef566a6d13ac349c32fae67ea8e8796ce121

  • SSDEEP

    6144:tt85qw0Gl+L8nCdiexzu4383mV8F8+Fuwx1EO:XuCr8nsiMzu43Amk80V1EO

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Targets

    • Target

      32d0ae27d9ae49a224785cd08bae82b0ec4e944145cb2f106873f70fc2908fe7.exe

    • Size

      207KB

    • MD5

      b1394501c618f78b74c3ca0c2d81a33b

    • SHA1

      73707a6facef7e1750fb6d47f3aa840558b17a30

    • SHA256

      32d0ae27d9ae49a224785cd08bae82b0ec4e944145cb2f106873f70fc2908fe7

    • SHA512

      0b3aff6484ee73136fd3bf36afad78f126e520b599def3c76b2e83e150fc919d484fd18d7bce0e006abae554db50ef566a6d13ac349c32fae67ea8e8796ce121

    • SSDEEP

      6144:tt85qw0Gl+L8nCdiexzu4383mV8F8+Fuwx1EO:XuCr8nsiMzu43Amk80V1EO

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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