General

  • Target

    0c350ae6b243d8067bf336d7a95468b89eeee290da2e471d6c9023a96bffe1a6

  • Size

    7.0MB

  • Sample

    241125-nmbkrs1kfm

  • MD5

    246accc0d5961555d8a210e542e30465

  • SHA1

    2b8bf31d0df00436be16fdd404dd3a4f85744367

  • SHA256

    0c350ae6b243d8067bf336d7a95468b89eeee290da2e471d6c9023a96bffe1a6

  • SHA512

    040c2f72c28014c57eece55b7ef21c22be769ea2a52b8179889943d539187cfff5146fcaa1024be9b05d83a14f2af2b095518acb59623172bdea817a0d064ea9

  • SSDEEP

    98304:XQ4QywiLo6PFgKjWFShGkVUZK8ho7ZRtJGYDs6l+owOq6pUaaDlTXaz02IsOvJE7:gbhiLr7bhGkndRjuoBq4UaKqYQOxE5F

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

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

Targets

    • Target

      0c350ae6b243d8067bf336d7a95468b89eeee290da2e471d6c9023a96bffe1a6

    • Size

      7.0MB

    • MD5

      246accc0d5961555d8a210e542e30465

    • SHA1

      2b8bf31d0df00436be16fdd404dd3a4f85744367

    • SHA256

      0c350ae6b243d8067bf336d7a95468b89eeee290da2e471d6c9023a96bffe1a6

    • SHA512

      040c2f72c28014c57eece55b7ef21c22be769ea2a52b8179889943d539187cfff5146fcaa1024be9b05d83a14f2af2b095518acb59623172bdea817a0d064ea9

    • SSDEEP

      98304:XQ4QywiLo6PFgKjWFShGkVUZK8ho7ZRtJGYDs6l+owOq6pUaaDlTXaz02IsOvJE7:gbhiLr7bhGkndRjuoBq4UaKqYQOxE5F

    • 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks