General

  • Target

    file.exe

  • Size

    403KB

  • Sample

    240925-blm6yswcpq

  • MD5

    e0a861bd26bf65d25bb61f8ebbe81e50

  • SHA1

    b06e237cde5ffb36b8a388c47b150b20784666fa

  • SHA256

    f083e21b36dd20620436ee2fa9a7f8f98dd7ca182ed5e1cd19d05455a0b4ab68

  • SHA512

    7753c4b21788a5bf1810f5f1dd7debee302f0fad9a383d4dc4f0aaa2e340988eef4676284631d9bd5338552b62714b80e33e626258e7d265248041ece75901de

  • SSDEEP

    6144:wcKudp8ds++opu1J+TIYwuTUT8SJXdbar3LrEIssLgNLYglq/sD1ShTd1J3DAol+:ZTa9puuTSn8SPujLr31DcGDtm28EO

Malware Config

Extracted

Family

vidar

Version

11

Botnet

9bf5e431869643a2ac397d2dc0d687fb

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

lumma

C2

https://stogeneratmns.shop/api

Extracted

Family

vidar

Version

11

Botnet

3a15237aa92dcd8ccca447211fb5fc2a

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Targets

    • Target

      file.exe

    • Size

      403KB

    • MD5

      e0a861bd26bf65d25bb61f8ebbe81e50

    • SHA1

      b06e237cde5ffb36b8a388c47b150b20784666fa

    • SHA256

      f083e21b36dd20620436ee2fa9a7f8f98dd7ca182ed5e1cd19d05455a0b4ab68

    • SHA512

      7753c4b21788a5bf1810f5f1dd7debee302f0fad9a383d4dc4f0aaa2e340988eef4676284631d9bd5338552b62714b80e33e626258e7d265248041ece75901de

    • SSDEEP

      6144:wcKudp8ds++opu1J+TIYwuTUT8SJXdbar3LrEIssLgNLYglq/sD1ShTd1J3DAol+:ZTa9puuTSn8SPujLr31DcGDtm28EO

    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

      Lumma or LummaC is 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.

    • Drops startup file

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks