General

  • Target

    bfc8fbb265274e407ebb9b2be9b6630f.exe

  • Size

    1.8MB

  • Sample

    241216-rq95aatkhn

  • MD5

    bfc8fbb265274e407ebb9b2be9b6630f

  • SHA1

    0aee8ad1ee7bc01cb6994f8de0b714a2ad3a64c2

  • SHA256

    3c6116a035069356a08c478ec90a8be22a0ba2e8c749dd4d33f7cad2a3ee86ac

  • SHA512

    e3862fc31f091ba641d8262e0ce0fca53482ed4870a206b1763ae81e9a7ebe507634d531e0a955c7dbfa67f17c546ad5215dadc91fbbc787673575938b8777a0

  • SSDEEP

    49152:2doxdBUtSkPt5A+cjDLeNETVM8xFVJ1x2c9LJ:2CTBUtSEA7jDCNEa8/VJ3X

Malware Config

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://tacitglibbr.biz/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://tacitglibbr.biz/api

Targets

    • Target

      bfc8fbb265274e407ebb9b2be9b6630f.exe

    • Size

      1.8MB

    • MD5

      bfc8fbb265274e407ebb9b2be9b6630f

    • SHA1

      0aee8ad1ee7bc01cb6994f8de0b714a2ad3a64c2

    • SHA256

      3c6116a035069356a08c478ec90a8be22a0ba2e8c749dd4d33f7cad2a3ee86ac

    • SHA512

      e3862fc31f091ba641d8262e0ce0fca53482ed4870a206b1763ae81e9a7ebe507634d531e0a955c7dbfa67f17c546ad5215dadc91fbbc787673575938b8777a0

    • SSDEEP

      49152:2doxdBUtSkPt5A+cjDLeNETVM8xFVJ1x2c9LJ:2CTBUtSEA7jDCNEa8/VJ3X

    • 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