General

  • Target

    file.exe

  • Size

    3.1MB

  • Sample

    241213-da1c9axqhp

  • MD5

    4e9120d95d0a175a67c0b05467c1bcf7

  • SHA1

    12e5e1e20e332613c76405413fa43c6f849e2bed

  • SHA256

    1501439c043fd8b50716cb78d934be2019cc6e19afd3d43e19c350a80e1a1e03

  • SHA512

    022927af2ed93d48ce28933e7e07dbe0ee852d368ca31cd469421d6792686548e047e4a083ccc619a1a6845195099891b8f48f02999d123f1c2bd4550605c6ef

  • SSDEEP

    49152:kJgKpKlq3ft/7sbpz27jkbxaGqHxisWbymn4PkLqHrBW2A:ugKUaft/7sbpWjua33awPkLc

Malware Config

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

lumma

C2

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

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://drive-connect.cyou/api

https://covery-mover.biz/api

Targets

    • Target

      file.exe

    • Size

      3.1MB

    • MD5

      4e9120d95d0a175a67c0b05467c1bcf7

    • SHA1

      12e5e1e20e332613c76405413fa43c6f849e2bed

    • SHA256

      1501439c043fd8b50716cb78d934be2019cc6e19afd3d43e19c350a80e1a1e03

    • SHA512

      022927af2ed93d48ce28933e7e07dbe0ee852d368ca31cd469421d6792686548e047e4a083ccc619a1a6845195099891b8f48f02999d123f1c2bd4550605c6ef

    • SSDEEP

      49152:kJgKpKlq3ft/7sbpz27jkbxaGqHxisWbymn4PkLqHrBW2A:ugKUaft/7sbpWjua33awPkLc

    • Amadey

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

    • Amadey family

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner 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.

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

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • 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