General

  • Target

    19de0fd6ffb9e81c5d82212a4c90a84415849fed81b01c173cc90a4c422117ae.exe

  • Size

    1.8MB

  • Sample

    241130-cpbg1a1qaq

  • MD5

    4bda10f72c2430d42325f6370b200503

  • SHA1

    90dea37e11ef453277c70c0893cba71e4300c2f7

  • SHA256

    19de0fd6ffb9e81c5d82212a4c90a84415849fed81b01c173cc90a4c422117ae

  • SHA512

    c8cfd93dc322c7d1e2fc6ecd1da797ed43b9c8bbc544d920d1f62e80b19b6ac45642e4d474001fab9c8144a5cf99cdce6752c1117828bbd3d1a0dab1b6a71807

  • SSDEEP

    49152:nE/WgpUXWX6t2GXpNSlTPWUpdZZByL4ML7F0:YUXWWrXS1PFdZ+

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

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Language
ps1
Source
URLs
exe.dropper

http://encrypthub.net:8080

exe.dropper

https://encrypthub.net/Main/antivm.ps1

Targets

    • Target

      19de0fd6ffb9e81c5d82212a4c90a84415849fed81b01c173cc90a4c422117ae.exe

    • Size

      1.8MB

    • MD5

      4bda10f72c2430d42325f6370b200503

    • SHA1

      90dea37e11ef453277c70c0893cba71e4300c2f7

    • SHA256

      19de0fd6ffb9e81c5d82212a4c90a84415849fed81b01c173cc90a4c422117ae

    • SHA512

      c8cfd93dc322c7d1e2fc6ecd1da797ed43b9c8bbc544d920d1f62e80b19b6ac45642e4d474001fab9c8144a5cf99cdce6752c1117828bbd3d1a0dab1b6a71807

    • SSDEEP

      49152:nE/WgpUXWX6t2GXpNSlTPWUpdZZByL4ML7F0:YUXWWrXS1PFdZ+

    • Amadey

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

    • Amadey 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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

    • 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.

    • 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

    • 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