General

  • Target

    lumma3.zip

  • Size

    1.8MB

  • Sample

    241216-gn2d9aymcp

  • MD5

    beb7e85fe14b6dad756fd8594e5aac21

  • SHA1

    14f284c571b99c59e9c2f19f2b1b880b213417b8

  • SHA256

    80319b07681e9ab5ef5fcf69ea61b3359e82eb70f7dafa8edb2224e22e76d89e

  • SHA512

    81b40e48312d5311639811056bf91dbb93bf96c7d2774c306d3b584ffb2df4a6da154bb8a2e6e8eeaeedf3719a83bd9a4e51608f1137b03a7e3e8fad3a6bcfce

  • SSDEEP

    49152:kyvHYsG3H0zWjJAP67UFGqFFN4jyDap1g2:LHYl3mGJS6UFxLepl

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

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://drive-connect.cyou/api

https://shineugler.biz/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

cryptbot

Extracted

Family

lumma

C2

https://tacitglibbr.biz/api

https://shineugler.biz/api

Targets

    • Target

      55057c4ee590fc8337d23e68a57fa8307511c182eeec107e9fd795778b91f422.exe

    • Size

      1.8MB

    • MD5

      cc0ed26087a0b2c7fa2c5090bf1b486c

    • SHA1

      754b088c7de26fc2bfbc790b890d258f4e04e6cc

    • SHA256

      55057c4ee590fc8337d23e68a57fa8307511c182eeec107e9fd795778b91f422

    • SHA512

      d48400779c894af61c9950d0b7acacb1a4a5c15a0994e3ff1d2c6879fac25ed94237fe7d9acede5d8534f556d0f204ff1228414e943a5d0abec7e6b41630d1f3

    • SSDEEP

      49152:YYyJmJB6uY/HurfHt2Bkk17fG5SKBOAV4Cl2C:ST/mPtgkqG5SKB6C

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • 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

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Enumerates VirtualBox registry keys

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

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks