General

  • Target
    random.exe
  • Size 1.8MB
  • Sample250331-pffftaztbt
  • SHA256 83c18fb1aeabee9c2108288562cef143babeabe3eed9e14eece66cfe7ecfa880
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 5.21

Botnet
  • 092155

C2
  • http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain

Extracted

Family
  • lumma

C2
  • https://navstarx.shop/FoaJSi

  • https://metalsyo.digital/opsa

  • https://ironloxp.live/aksdd

  • https://starcloc.bet/GOksAo

  • https://advennture.top/GKsiio

  • https://targett.top/dsANGt

  • https://spacedbv.world/EKdlsk

  • https://galxnetb.today/GsuIAo

  • https://qadvennture.top/GKsiio

  • https://rodformi.run/aUosoz

  • https://wnavstarx.shop/FoaJSi

  • https://cosmosyf.top/GOsznj

  • https://byteplusx.digital/aXweAX

  • https://travewlio.shop/ZNxbHi

  • https://skynetxc.live/AksoPA

  • https://pixtreev.run/LkaUz

  • https://sparkiob.digital/KeASUp

  • https://appgridn.live/LEjdAK

  • https://3galxnetb.today/GsuIAo

  • https://esccapewz.run/ANSbwqy

Extracted

Family
  • quasar

Version
  • 1.5.0

Botnet
  • Office04

C2
  • 51.89.204.80:4782

Mutex
  • 65581c6d-14ba-4da9-86dd-ffd8304b8eb1

Attributes
  • encryption_key

    8C25D2F2D6CDE756BAFC0531B3B70446BFBAF003

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Modded Client Startup

  • subdirectory

    SubDir

Extracted

Family
  • stealc

Botnet
  • trump

C2
  • http://45.93.20.28

Attributes
  • url_path

    /85a1cacf11314eb8.php

Extracted

Family
  • amadey

Version
  • 5.33

Botnet
  • 22031d

C2
  • http://176.65.137.193

Attributes
  • install_dir

    f9827b8d90

  • install_file

    tgvazx.exe

  • strings_key

    e572dfc3ce5579f21eaa18280fb43c17

  • url_paths

    /Lajv8eS3/index.php

rc4.plain

Targets

    • Target
      random.exe
    • Size 1.8MB
    • SHA256 83c18fb1aeabee9c2108288562cef143babeabe3eed9e14eece66cfe7ecfa880
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

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

    • Amadey family

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Detects Healer an antivirus disabler dropper

    • GCleaner

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

    • Gcleaner family

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Modifies security service

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • Looks for VMWare Tools registry key

    • Possible privilege escalation attempt

    • 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

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Writes to the Master Boot Record (MBR)

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • 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