General

  • Target
    Stealers.zip
  • Size 123.6MB
  • Sample240801-2zed3swakd
  • SHA256 6db216feeda9d8b54a69692b63c636e7c984aac8313b9b7cf599869bd9836a60
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • umbral

C2
  • https://discord.com/api/webhooks/1222057832011137064/xHw2NG_dFhYqQKhgRobsja61tNIbEsN8GrE7S4K1SPmpvEek-9MvgREk8PUDX3-FoVeS

Extracted

Family
  • redline

Botnet
  • lovato

C2
  • 57.128.132.216:55123

Extracted

Family
  • amadey

Version
  • 4.41

Botnet
  • fed3aa

C2
  • http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family
  • redline

Botnet
  • LiveTraffic

C2
  • 20.52.165.210:39030

Extracted

Family
  • stealc

Botnet
  • QLL

C2
  • http://85.28.47.70

Attributes
  • url_path

    /744f169d372be841.php

Extracted

Family
  • redline

Botnet
  • 30072024

C2
  • 185.215.113.67:40960

Extracted

Family
  • redline

Botnet
  • Fatherofcarders

C2
  • 91.92.240.171:32837

Targets

    • Target
      Stealers.zip
    • Size 123.6MB
    • SHA256 6db216feeda9d8b54a69692b63c636e7c984aac8313b9b7cf599869bd9836a60
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

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

    • Detect Umbral payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • UAC bypass

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Windows security bypass

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

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

    • Adds policy Run key to start application

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • 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.

    • 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.

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks