General

  • Target
    file.exe
  • Size 206KB
  • Sample230115-fa359aea6x
  • SHA256 b1bc2eb5769d4aac65858a7873e477c87502efa4aafc2c62639dbe27dd951ef5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • 77.73.134.68

Targets

    • Target
      file.exe
    • Size 206KB
    • SHA256 b1bc2eb5769d4aac65858a7873e477c87502efa4aafc2c62639dbe27dd951ef5
    • MD5 SHA1 SHA512 SSDEEP
    • Detects Smokeloader packer

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

    • Sets service image path in registry

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • 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 v6

Tasks