General

  • Target
    861cb0192a2dd5a1f92d6cf395e19f2338591dcf07bcf7e663efeb89c819a8af
  • Size 1.8MB
  • Sample240520-aasfvsab7v
  • SHA256 861cb0192a2dd5a1f92d6cf395e19f2338591dcf07bcf7e663efeb89c819a8af
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2841&c=2841

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=2841

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=2841

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1002

Extracted

Family
  • amadey

Version
  • 4.20

Botnet
  • c767c0

C2
  • http://5.42.96.7

Attributes
  • install_dir

    7af68cdb52

  • install_file

    axplons.exe

  • strings_key

    e2ce58e78f631ed97d01fe7b70e85d5e

  • url_paths

    /zamo7h/index.php

rc4.plain

Extracted

Family
  • redline

Botnet
  • 1

C2
  • 185.215.113.67:26260

Extracted

Family
  • xworm

C2
  • 127.0.0.1:7000

  • beshomandotestbesnd.run.place:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    taskmgr.exe

  • telegram

    https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672

Extracted

Family
  • redline

Botnet
  • Vic

C2
  • beshomandotestbesnd.run.place:1111

Extracted

Family
  • lumma

C2
  • https://roomabolishsnifftwk.shop/api

  • https://museumtespaceorsp.shop/api

  • https://buttockdecarderwiso.shop/api

  • https://averageaattractiionsl.shop/api

  • https://femininiespywageg.shop/api

  • https://employhabragaomlsp.shop/api

  • https://stalfbaclcalorieeis.shop/api

  • https://civilianurinedtsraov.shop/api

Targets

    • Target
      861cb0192a2dd5a1f92d6cf395e19f2338591dcf07bcf7e663efeb89c819a8af
    • Size 1.8MB
    • SHA256 861cb0192a2dd5a1f92d6cf395e19f2338591dcf07bcf7e663efeb89c819a8af
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

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

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Xworm Payload

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • UAC bypass

    • XMRig Miner payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • xmrig

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

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables (downlaoders) containing URLs to raw contents of a paste

    • Detects executables built or packed with MPress PE compressor

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

    • Detects executables packed with Themida

    • Detects executables packed with or use KoiVM

    • Detects executables packed with unregistered version of .NET Reactor

    • Detects executables using Telegram Chat Bot

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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.

    • Drops startup file

    • 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 web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks