General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.24492.19038.exe

  • Size

    283KB

  • Sample

    240915-tymp3atbjj

  • MD5

    449d3f0970fc9cd91a8f4bea664a0cd6

  • SHA1

    2a2624a79afaf0fcb01c44f8106c8bf8933106e0

  • SHA256

    33da286e78538e3f5eda7b23c70578a1fda8a5b98069bd269b8a6035babe2b23

  • SHA512

    e7888f333695f9fe1cda7db15f154a1261ec7cb1b67e6efb9b5c19183f5b092bea736ca768a60a5f102982a3c8e5ea1bd79035ab15f3db37c104dad9c5a48d33

  • SSDEEP

    6144:mJFfT/jYUJeue8lIEZ1gZuTv+S89GOFEGT9GAES9EO:yXpw82e1gG1O+GT9fLEO

Malware Config

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

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

lumma

C2

https://complainnykso.shop/api

https://basedsymsotp.shop/api

https://charistmatwio.shop/api

https://grassemenwji.shop/api

Targets

    • Target

      SecuriteInfo.com.Win32.PWSX-gen.24492.19038.exe

    • Size

      283KB

    • MD5

      449d3f0970fc9cd91a8f4bea664a0cd6

    • SHA1

      2a2624a79afaf0fcb01c44f8106c8bf8933106e0

    • SHA256

      33da286e78538e3f5eda7b23c70578a1fda8a5b98069bd269b8a6035babe2b23

    • SHA512

      e7888f333695f9fe1cda7db15f154a1261ec7cb1b67e6efb9b5c19183f5b092bea736ca768a60a5f102982a3c8e5ea1bd79035ab15f3db37c104dad9c5a48d33

    • SSDEEP

      6144:mJFfT/jYUJeue8lIEZ1gZuTv+S89GOFEGT9GAES9EO:yXpw82e1gG1O+GT9fLEO

    • 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.

    • 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