General

  • Target

    random.exe

  • Size

    2.9MB

  • Sample

    250508-h83cqabr7w

  • MD5

    2565d81c4deaaf07adcd1a10c46dcd35

  • SHA1

    b753a277437659b766ad5d4c9892d5909a567076

  • SHA256

    cb6404f5fd4a55a47b0313b7716fedcf2186f83697a85edd195675a7e3f7f535

  • SHA512

    f741e0e2685f90ba3b3bbcb46ad6f3b3dee2f5ee9c9be4883c279f862871fd97a22809f96c5530207b262d23ed489f002d3de9f9a2d4ffcf4693979e09fccc8f

  • SSDEEP

    49152:pZfHpH01r3CvM239XmirqFo8aFPiBF5fOxEX:pZfJH0x3Cvv3pjqhY61fF

Malware Config

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

lumma

C2

https://apronsxrum.digital/pwq

https://orjinalecza.net/lxaz

https://eczakozmetik.net/qop

https://medikalbitkisel.net/qos

https://tortoisgfe.top/paxk

https://medicalbitkisel.org/mbj

https://orijinalecza.net/kazd

https://medicalbitkisel.net/juj

https://snakejh.top/adsk

Targets

    • Target

      random.exe

    • Size

      2.9MB

    • MD5

      2565d81c4deaaf07adcd1a10c46dcd35

    • SHA1

      b753a277437659b766ad5d4c9892d5909a567076

    • SHA256

      cb6404f5fd4a55a47b0313b7716fedcf2186f83697a85edd195675a7e3f7f535

    • SHA512

      f741e0e2685f90ba3b3bbcb46ad6f3b3dee2f5ee9c9be4883c279f862871fd97a22809f96c5530207b262d23ed489f002d3de9f9a2d4ffcf4693979e09fccc8f

    • SSDEEP

      49152:pZfHpH01r3CvM239XmirqFo8aFPiBF5fOxEX:pZfJH0x3Cvv3pjqhY61fF

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • 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

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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.

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

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

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks

OSZAR »