General

  • Target
    Setup-Latest.exe
  • Size 1.4MB
  • Sample250214-tca45sspdm
  • SHA256 721f6073f9ec13d9a1b7cff7b7cfab342ec6fd5ebc1a95c006ae11198e8abfc9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://zengardxen.cyou/api

Targets

    • Target
      Setup-Latest.exe
    • Size 1.4MB
    • SHA256 721f6073f9ec13d9a1b7cff7b7cfab342ec6fd5ebc1a95c006ae11198e8abfc9
    • MD5 SHA1 SHA512 SSDEEP
    • Lumma Stealer, LummaC

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

    • Lumma family

    • 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 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.

    • 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.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks