General

  • Target

    a22e452003a34a4c441e19bf61aed9b0e2869ebfcbc0a7495c9b851f3594d886

  • Size

    1.8MB

  • Sample

    241125-ns2zxavmas

  • MD5

    5801fe57838d80b26c4d2978dd6fd272

  • SHA1

    5928be4f762f479fecab45c184044d67e260e876

  • SHA256

    a22e452003a34a4c441e19bf61aed9b0e2869ebfcbc0a7495c9b851f3594d886

  • SHA512

    6cf1ff2e1f32f3d86b3688452afc43fdfdfef8fcff76fc574109d9d8a46c7a77eeb3f57ac7f40b17daa0b9a951d8d8ddc47ed7153653e21311d24a999dda0c57

  • SSDEEP

    49152:CStt4wR8XmEc0DVTdUbVX0nS18wEctrMtUAmgbKN:RtawRimEc03YKwdtrUlmg

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

vidar

Version

11.8

Botnet

93e4f2dec1428009f8bc755e83a21d1b

C2

https://t.me/fu4chmo

https://steamcommunity.com/profiles/76561199802540894

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      a22e452003a34a4c441e19bf61aed9b0e2869ebfcbc0a7495c9b851f3594d886

    • Size

      1.8MB

    • MD5

      5801fe57838d80b26c4d2978dd6fd272

    • SHA1

      5928be4f762f479fecab45c184044d67e260e876

    • SHA256

      a22e452003a34a4c441e19bf61aed9b0e2869ebfcbc0a7495c9b851f3594d886

    • SHA512

      6cf1ff2e1f32f3d86b3688452afc43fdfdfef8fcff76fc574109d9d8a46c7a77eeb3f57ac7f40b17daa0b9a951d8d8ddc47ed7153653e21311d24a999dda0c57

    • SSDEEP

      49152:CStt4wR8XmEc0DVTdUbVX0nS18wEctrMtUAmgbKN:RtawRimEc03YKwdtrUlmg

    • 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

    • Detect Vidar Stealer

    • Detects CryptBot payload

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

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • 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 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • 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