General

  • Target
    604fc7ac851c76b3ade50108357d8134.exe
  • Size 1.8MB
  • Sample241218-ypbcws1jfp
  • SHA256 a16f254d7b7ede78b181d541cf02de244472f59f18ea3c8e6ef63d869736cb93
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

Extracted

Family
  • stealc

Botnet
  • stok

C2
  • http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target
      604fc7ac851c76b3ade50108357d8134.exe
    • Size 1.8MB
    • SHA256 a16f254d7b7ede78b181d541cf02de244472f59f18ea3c8e6ef63d869736cb93
    • MD5 SHA1 SHA512 SSDEEP
    • Lumma Stealer, LummaC

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

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • 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.

    • Loads dropped DLL

    • 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.

    • Windows security modification

    • 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks