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General

  • Target

    3dc730302dc71232ee3bb36dc669f3ae.exe

  • Size

    1.7MB

  • Sample

    241219-h4yhzavja1

  • MD5

    3dc730302dc71232ee3bb36dc669f3ae

  • SHA1

    268717a1d24ef6be6b40b16f9e7f731ae7205083

  • SHA256

    570ee6ea154dc3da02a3e52122c89a504fdea8b8b622a5e13848804af7486b84

  • SHA512

    f0d6d22f52e498bac2327e7928ade046d57b254cdf97b6a490a0e6b515873b1832ecd66c2daad8761ff0f1f26ce1e84f0b4b7e80da5a7ab0da04890460eac005

  • SSDEEP

    49152:64IQwE9/jGUecQ0yTipjQgMtyuIOZiul:6hQTBjGXcMTidLMtyuIQJ

Malware Config

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      3dc730302dc71232ee3bb36dc669f3ae.exe

    • Size

      1.7MB

    • MD5

      3dc730302dc71232ee3bb36dc669f3ae

    • SHA1

      268717a1d24ef6be6b40b16f9e7f731ae7205083

    • SHA256

      570ee6ea154dc3da02a3e52122c89a504fdea8b8b622a5e13848804af7486b84

    • SHA512

      f0d6d22f52e498bac2327e7928ade046d57b254cdf97b6a490a0e6b515873b1832ecd66c2daad8761ff0f1f26ce1e84f0b4b7e80da5a7ab0da04890460eac005

    • SSDEEP

      49152:64IQwE9/jGUecQ0yTipjQgMtyuIOZiul:6hQTBjGXcMTidLMtyuIQJ

    • 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