General

  • Target

    232c890d5bb7ecf69fc171813e593992d3e49539f7c0e2e9fa83129f5c47553a.exe

  • Size

    404KB

  • Sample

    241004-bkgyjszfmg

  • MD5

    ff9bb0ae2718e3f802bfec5d6acd824f

  • SHA1

    8b31a4a11fd6d050cc86e05c71eb4bd6ba8afb43

  • SHA256

    232c890d5bb7ecf69fc171813e593992d3e49539f7c0e2e9fa83129f5c47553a

  • SHA512

    831873f83da54d2f3c29d1198bc293d45c71ad8ff7872aa47e4e147433ff9dbf92d4f1c5668b2ebbf88726c9fa845abe2b18d6d5afd8564510738be960f91711

  • SSDEEP

    6144:ZNblT7AN3i/UCPUJmBCkftB1iOmzhYjST3GcMhu0V+GLHhLYvbgdVR1o:ZVlT0J6UCPUW1iFegWcmX+QHh0vbW/1o

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://beearvagueo.site/api

Targets

    • Target

      232c890d5bb7ecf69fc171813e593992d3e49539f7c0e2e9fa83129f5c47553a.exe

    • Size

      404KB

    • MD5

      ff9bb0ae2718e3f802bfec5d6acd824f

    • SHA1

      8b31a4a11fd6d050cc86e05c71eb4bd6ba8afb43

    • SHA256

      232c890d5bb7ecf69fc171813e593992d3e49539f7c0e2e9fa83129f5c47553a

    • SHA512

      831873f83da54d2f3c29d1198bc293d45c71ad8ff7872aa47e4e147433ff9dbf92d4f1c5668b2ebbf88726c9fa845abe2b18d6d5afd8564510738be960f91711

    • SSDEEP

      6144:ZNblT7AN3i/UCPUJmBCkftB1iOmzhYjST3GcMhu0V+GLHhLYvbgdVR1o:ZVlT0J6UCPUW1iFegWcmX+QHh0vbW/1o

    • 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