General

  • Target

    f95df3026cf4edcc3d334bfc20d188de06ea4e4497e94c63504b2b783dc3e55e_Sigmanly

  • Size

    2.9MB

  • Sample

    241222-lhyhmatjek

  • MD5

    3799f4f2cfc27184ce70913f4ec3a8be

  • SHA1

    4424871cdfd4f9b4fb1039049a75844401a7c358

  • SHA256

    f95df3026cf4edcc3d334bfc20d188de06ea4e4497e94c63504b2b783dc3e55e

  • SHA512

    f38b986c639eb2c676e0ecd9316cea437934550d772f5494e2589626e826a5d23954398c3e4eb4584594e5e6cbea28ffe195bea27d2674f1a8119ca14ee869a0

  • SSDEEP

    49152:HPwL/gU97fpS9iZXovvQyWVkeRJFm0w7KwKz:vwLY47fpkyYvv7sbP

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

cryptbot

Targets

    • Target

      f95df3026cf4edcc3d334bfc20d188de06ea4e4497e94c63504b2b783dc3e55e_Sigmanly

    • Size

      2.9MB

    • MD5

      3799f4f2cfc27184ce70913f4ec3a8be

    • SHA1

      4424871cdfd4f9b4fb1039049a75844401a7c358

    • SHA256

      f95df3026cf4edcc3d334bfc20d188de06ea4e4497e94c63504b2b783dc3e55e

    • SHA512

      f38b986c639eb2c676e0ecd9316cea437934550d772f5494e2589626e826a5d23954398c3e4eb4584594e5e6cbea28ffe195bea27d2674f1a8119ca14ee869a0

    • SSDEEP

      49152:HPwL/gU97fpS9iZXovvQyWVkeRJFm0w7KwKz:vwLY47fpkyYvv7sbP

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • GCleaner

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

    • Gcleaner family

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • Netsupport family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Enumerates VirtualBox registry keys

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

    • Downloads MZ/PE file

    • 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.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • 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.

    • 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.

    • Drops file in System32 directory

    • 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