Resubmissions

02/09/2025, 15:15

250902-sm57ladp4z10

02/09/2025, 04:22

250902-ezmdcscr8v10

General

  • Target
    2f9f1a09a1e3ade2d1b608687aa0941940ca1ba4d23ffb4655014d342bae64aa
  • Size 3.9MB
  • Sample250902-sm57ladp4z
  • SHA256 2f9f1a09a1e3ade2d1b608687aa0941940ca1ba4d23ffb4655014d342bae64aa
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 5.55

Botnet
  • fbf543

C2
  • http://94.154.35.25

Attributes
  • install_dir

    96a319e745

  • install_file

    Srxelqcif.exe

  • strings_key

    f8bfac017914b836f3106c5bcd0878fe

  • url_paths

    /di9ku38f/index.php

rc4.plain

Extracted

Family
  • lumma

C2
  • https://washerv.ru/qygd

  • https://mastwin.in/qsaz

  • https://noggs.ru/yopd

  • https://georgej.ru/plnb

  • https://oneflof.ru/tids

  • https://epitherd.ru/zadw

  • https://backab.ru/lkdo

  • https://eigwos.ru/wqex

  • https://kimmenkiz.ru/zldw

  • https://t.me/romalabs2

Attributes
  • build_id

    edf348a52136d5549d5a9d6e073be69486831dc3

Targets

    • Target
      2f9f1a09a1e3ade2d1b608687aa0941940ca1ba4d23ffb4655014d342bae64aa
    • Size 3.9MB
    • SHA256 2f9f1a09a1e3ade2d1b608687aa0941940ca1ba4d23ffb4655014d342bae64aa
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • Disables service(s)

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • 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.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • 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.

    • 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

    • Modifies file permissions

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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 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.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks