General

  • Target
    random.exe
  • Size 1.8MB
  • Sample250520-nxzeksyns7
  • SHA256 209ebefce8003cd6bd8015dd7d46124fb9a6a5ef7deffafe8459a949ec56cfde
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://clarmodq.top/qoxo

  • https://pzenithcorde.top/auid

  • https://techguidet.digital/apdo

  • https://btcgeared.live/lbak

  • https://buzzarddf.live/ktnt

  • https://techsyncq.run/riid

  • https://parakehjet.run/kewk

  • https://trotwhvn.live/lxak

  • https://onarrathfpt.top/tekq

  • https://jackthyfuc.run/xpas

  • https://4gettoknwg.life/xapd

  • https://leasegjjr.digital/iwi

  • https://haircuirfm.top/aldk

  • https://gthreatqjqy.top/nybe

  • https://winterghzp.digital/ywq

  • https://gbubblezdjw.live/kudf

Extracted

Family
  • amadey

Version
  • 5.34

Botnet
  • 8d33eb

C2
  • http://185.156.72.96

Attributes
  • install_dir

    d610cf342e

  • install_file

    ramez.exe

  • strings_key

    4a2b1d794e79a4532b6e2b679408d2bb

  • url_paths

    /te4h2nus/index.php

rc4.plain

Targets

    • Target
      random.exe
    • Size 1.8MB
    • SHA256 209ebefce8003cd6bd8015dd7d46124fb9a6a5ef7deffafe8459a949ec56cfde
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Modifies WinLogon for persistence

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks