General

  • Target
    random.exe
  • Size 2.0MB
  • Sample250609-ss3zesfq8x
  • SHA256 4b1ace47cfcbfb2d45ced82fa14a1eb111435094a7e6fd2857a8bded7bc95c60
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://185.156.72.2/testmine/random.exe

Extracted

Family
  • lumma

C2
  • https://battlefled.top/gaoi

  • https://narrathfpt.top/tekq

  • https://escczlv.top/bufi

  • https://localixbiw.top/zlpa

  • https://korxddl.top/qidz

  • https://stochalyqp.xyz/alfp

  • https://diecam.top/laur/api

  • https://citellcagt.top/gjtu

  • https://peppinqikp.xyz/xaow

  • https://sstemxehg.shop/gaks

  • https://shootef.world/api

Extracted

Family
  • amadey

Version
  • 5.34

Botnet
  • 8d33eb

C2
  • http://185.156.72.96

Attributes
  • install_dir

    d610cf342e

  • install_file

    ramez.exe

  • strings_key

    4a2b1d794e79a4532b6e2b679408d2bb

  • url_paths

    /te4h2nus/index.php

rc4.plain

Extracted

Family
  • gurcu

C2
  • https://api.telegram.org/bot7841921350:AAFGkor-dSPkf-PgNgU6DqA2BBmIM8f_vRU/sendMessage?chat_id=6299414420

Targets

    • Target
      random.exe
    • Size 2.0MB
    • SHA256 4b1ace47cfcbfb2d45ced82fa14a1eb111435094a7e6fd2857a8bded7bc95c60
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

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

    • Amadey family

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Sets service image path in registry

    • Stops running service(s)

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks