General

  • Target
    random.exe
  • Size 938KB
  • Sample250219-tmp12svjbl
  • SHA256 ddda70cdab79b119b205e60921ba6048887312cdd47741f9259fc4bc0c83a18a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://185.215.113.16/mine/random.exe

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://185.215.113.16/mine/random.exe

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
  • vidar

C2
  • https://t.me/g02f04

  • https://steamcommunity.com/profiles/76561199828130190

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 45.154.98.175:7000

Mutex
  • 0HzpJoisb4u9PgIO

Attributes
  • Install_directory

    %AppData%

  • install_file

    google_updates.exe

aes.plain

Extracted

Family
  • stealc

Botnet
  • default

C2
  • http://ecozessentials.com

Attributes
  • url_path

    /e6cb1c8fc7cd1659.php

Extracted

Family
  • systembc

C2
  • cobolrationumelawrtewarms.co:4001

  • 93.186.202.3:4001

Attributes
  • dns

    5.132.191.104

    ns1.vic.au.dns.opennic.glue

    ns2.vic.au.dns.opennic.glue

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://185.215.113.16/mine/random.exe

Extracted

Family
  • stealc

Botnet
  • reno

C2
  • http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family
  • redline

Botnet
  • cheat

C2
  • 103.84.89.222:33791

Targets

    • Target
      random.exe
    • Size 938KB
    • SHA256 ddda70cdab79b119b205e60921ba6048887312cdd47741f9259fc4bc0c83a18a
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • RedLine

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

    • Redline family

    • SectopRAT

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

    • SectopRAT payload

    • Sectoprat family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Systembc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • Detects GOST tunneling tool

      A simple tunneling tool written in Golang

    • 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.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

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

    • 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.

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

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

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

    • 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

MITRE ATT&CK Enterprise v15

Tasks