General

  • Target

    file.exe

  • Size

    404KB

  • Sample

    241003-kfvhhstgrp

  • MD5

    5af7d57744592ed62c6ecde2348d721a

  • SHA1

    1a3aaecedbf90f300a33c0b68314cf9b4e5084fe

  • SHA256

    4da047e7133eebf2b2220d7329fac13094a46b0b430c4e7870da39c813efdae2

  • SHA512

    1033e908b43ef9821ee63bb29ea4a7820e26ce0779627b1bab1f0c0dca5c8040bdfabdb3a9ae60725ae6a4de6ab6c0b757444349afa5fae72df872deb0bdf28b

  • SSDEEP

    12288:+1nfasvb+wZd4+/2ghnEOBe74Ege5je2xk:+1nfVjnd4UvhnGpjje2xk

Malware Config

Extracted

Family

vidar

Version

11

Botnet

b74ef0d8ce56e494b0d83e1d5be9dbeb

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

lumma

Extracted

Family

lumma

C2

https://abnomalrkmu.site/api

Targets

    • Target

      file.exe

    • Size

      404KB

    • MD5

      5af7d57744592ed62c6ecde2348d721a

    • SHA1

      1a3aaecedbf90f300a33c0b68314cf9b4e5084fe

    • SHA256

      4da047e7133eebf2b2220d7329fac13094a46b0b430c4e7870da39c813efdae2

    • SHA512

      1033e908b43ef9821ee63bb29ea4a7820e26ce0779627b1bab1f0c0dca5c8040bdfabdb3a9ae60725ae6a4de6ab6c0b757444349afa5fae72df872deb0bdf28b

    • SSDEEP

      12288:+1nfasvb+wZd4+/2ghnEOBe74Ege5je2xk:+1nfVjnd4UvhnGpjje2xk

    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • 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

    • 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